Remote 💻 Development Jobs

EWA Learn languages is an international company, with headquarter in Singapore. We have been developing our EdTech app (iOS&Android) since 2017, with over 70 million users registered on our platform . Our app has been translated into 40  languages.

We help people worldwide learn languages in an effective, easy, and fun way — through snippets of popular and beloved movies, TV shows, and memes.

Now we’re looking for an AI engineer

What you’ll do:

• Development and optimization of pipelines for orchestrating generative AI models
• Development of automatic content generation systems (text, images, video, audio)
• Design and implementation of multi-agent AI systems
• Creation and optimization of personalized user scenarios
• Integration of AI solutions into existing business processes and products, including development and implementation of AI chatbots
• Work on improving the quality and performance of AI models

What you’ll bring:

• Experience working as an analyst or developer
• Proficient in Python
• Understanding of principles of working with cloud platforms (AWS, Azure, GCP)
• Experience working with generative AI models
• Understanding of multi-agent systems principles
• Technical stack: Python, FastAPI, MongoDB, GitLab CI/CD, Kubernetes

Nice to Have:

• Experience with Airflow, Kubeflow or similar tools
• Experience in building end-to-end pipelines for AI solutions and orchestrating such pipelines
• Experience in developing systems with multiple interacting AI agents. Understanding of principles of autonomous behavior of AI agents and their communication

We offer:

• Work in a fast-growing EdTech app, in a friendly and transparent work culture, with no bureaucracy or complex hierarchy.
• Income in USD, remote work.
• 28 calendar days of vacation, 100% coverage of 30 sick leave days per year after completing a probation period.
• Product culture, a modern technology stack.
• Corporate English classes.
• You will make a direct impact and see the results of your work.

Ready to Join Us?

If you're excited about this opportunity and meet the qualifications, we'd love to hear from you! Apply now and become a part of the EWA team. Let's make learning languages fun together!

The Zalando eCommerce Platform Sciences team assists customers in their fashion discovery journey and helps them find what they are looking for across Zalando. In the echo department we drive the vision of having Zalando be the place for customers to discover quality content, find personalised inspiration and make a truly deeper connection. We are transforming the content discovery systems, utilising innovative approaches and building inspirational experiences for our customers.

As a Principal engineer, you will be part of the leadership team and work with exceptional engineers and science leaders to enable customers of Zalando explore and discover fashion in a unique style. You will partner with your Product counterparts to define and deliver new ways to discover fashion and lifestyle across all Zalando experiences.

Teams at our Zurich Tech Hub work on many of the cornerstones of our Fashion Store, including personalization and recommendation components. Through full stack engineering and research, we turn visionary ideas into new emerging businesses with real potential. By tackling diverse challenges for the fashion industry, we drive the personal digital experience and underlying knowledge models to create the most inspirational fashion experience for our customers.

What we'd love you to do (and love doing)

• Design, build, and maintain large-scale systems and services for customer facing product experiences.
• Ensure the implementation of a state-of-the-art software development methodology and cultivate best practices in software development. Operate a complex and advanced system landscape that meets the highest standards in terms of reliability, performance, and latency.
• Mentor junior to senior engineers and actively collaborate with other teams. Share knowledge and expertise within our talented engineering and science community.
• Work closely with applied science and engineering leaders, product managers, designers and other business stakeholders to bring our state-of-the-art solutions to the customers and to discover and identify new opportunities.
• As part of our Principal Engineering Community, you collaborate with other senior individual contributors to set engineering standards, guide decision-making for the technology landscape at Zalando via our Tech Radar.

We'd love to meet you if

• You have experience in building complete product experiences using supervised and unsupervised learning, natural language processing, reinforcement learning, and computer vision.
• Expertise in design and development of resilient, scalable distributed systems in a cloud infrastructure, with a preference for proficiency in Kubernetes and AWS.
• A strong background in designing and developing ML models and systems is highly valued. This role requires a blend of system design and hands-on coding experience.
• Hands-on experience in managing large-scale systems.
• In depth experience working in programming languages such as Python, Java and experience with deep learning frameworks like TensorFlow, PyTorch.
• Good communication skills and experience leading organization-wide collaborations. Ability and eagerness to understand the business context where the team operates and the customer problems being solved.
• Experience coaching and mentoring senior engineers, and working closely with applied scientists, senior machine learning engineers and data scientists.
• Strong advocacy for agile processes, operational excellence, and adherence to coding best practices, including clean code, readability, and test-driven development.
• Our values resonate with you.

Our offer

Zalando provides a range of benefits, here’s an overview of what you can expect. Ask your Talent Acquisition Partner to learn more about what we offer.

• Employee shares program
• 40% off fashion and beauty products sold and shipped by Zalando, 30% off Zalando Lounge, discounts from external partners
• 2 paid volunteering days a year
• Hybrid working model with 60% remote per week, actual practice is up to each team to best support their collaboration  
• Work from abroad for up to 30 working days a year
• 25 days of vacation a year to start
• Relocation assistance available (subject to prior agreement)
• Family services, including counseling and support
• Health and wellbeing options (including Gympass)
• Mental health support and coaching available

With over 70 products and 2.5 billion installs worldwide, AIBY is at the forefront of mobile-first product development with a focus on AI technology. Innovation and team spirit are the backbones of our company, and thanks to them, we’re proud of titles like ChatOn, iScanner, ARTA, Writely, Solvo, Forma, OnSkin, and Plantum. At AIBY, you can enjoy the work you do while helping millions of people.

We’re rapidly growing and looking for an experienced specialist for the Machine Learning Engineer (RecSys) position.

What you will do:

• Design and implement personalization algorithms to recommend relevant outfits and clothing items based on user preferences and behavior
• Speed up research and hypothesis testing with fast, iterative experimentation
• Improve and scale existing ML systems for fashion outfit generation and item relevancy estimation
• Work closely with the Product and Design Teams to develop ML-driven features aligned with user needs
• Collaborate with Data Engineers and Mobile Developers to ensure smooth integration into production systems
• Run A/B tests and analyze results to improve recommendation effectiveness and user engagement continuously
• Stay updated with research in recommendation systems, personalization, and AI in the fashion industry

What you should have:

• 5+ years in ML Engineering with 3+ years of experience building and improving recommendation or personalization models
• Strong understanding of ML fundamentals, deep learning, and information retrieval
• Practical experience with PyTorch or TensorFlow and familiarity with modern deep learning architectures
• Hands-on experience with embedding models (e.g., CLIP, ResNet, BERT) and vector similarity search (e.g., Qdrant, FAISS)
• Solid Python programming skills and familiarity with ML libraries like scikit-learn, Hugging Face, etc.
• Strong skills in experiment design and evaluation (e.g., Recall, NDCG, A/B testing)
• At least a B1 level of English

Will be a plus:

• Experience with outfit compatibility models, color theory, or fashion datasets
• Experience with scraping and parsing data from external sources
• Familiarity with AWS ML stack (e.g., S3, SageMaker, EC2)
• Familiarity with on-device inference and mobile ML (Core ML and TensorFlow Lite)

What we offer:

• An opportunity to work remotely
• Medical insurance (depends on the location)
• English courses
• A sports reimbursement program
• Compensation for psychological counseling
• Reimbursement of professional courses and training
• Paid vacations, sick days, and other benefits
• Sports reimbursement program

Location: AIBY is a team of strong international top talents. This role allows for either hybrid (combining in-office and remote work), fully remote ,or in-office work.

Wallet in Telegram is a digital asset solution natively embedded into Telegram’s interface. Backed by The Open Platform, Wallet in Telegram gained 100M+ user accounts in 2024, and aims to make its solution available to all 1BN+ of Telegram’s users. Wallet in Telegram offers a dual-wallet experience with Crypto Wallet (a multi-chain wallet for trading and sending crypto to contacts) and TON Wallet (a self-custodial wallet with access to the TON ecosystem of dApps and tokens).

As we continue expanding our infrastructure and improving our security measures, we are seeking an experienced Chief Information Security Officer to lead, strategize, and manage our information security initiatives across all our products and systems.

As Wallet’s Chief Information Security Officer, you will set the strategic vision for cybersecurity and ensure our infrastructure and products comply with industry-leading security standards. Your role includes developing security policies, incident management strategies, hardening and protecting existing architecture and operations and ensuring adherence to global regulatory frameworks, particularly those related to blockchain technologies and financial services.

You will partner closely with engineering, compliance and operational teams, embedding a proactive security mindset throughout the company.

Responsibilities:

• Define and implement Wallet’s cybersecurity strategy, aligning with business objectives.
• Develop, manage and evolve robust security frameworks and policies.
• Oversee cybersecurity audits, penetration testing, risk assessments and vulnerability management.
• Lead the response to cybersecurity incidents, ensuring alignment with regulatory requirements.
• Manage and develop a strong security team, supporting professional growth and securityawareness.
• Communicate regularly with executive leadership on security risks, incidents and strategic initiatives.
• Ensure compliance with global financial security standards.
• Act as Wallet’s primary spokesperson on cybersecurity matters externally, working with regulatorygroups, security communities and stakeholders.

Requirements:

• 5+ years of experience in cybersecurity leadership roles, preferably in fintech, blockchain, or high- growth tech environments.
• Expertise in cybersecurity frameworks, regulatory requirements and incident management practices.
• Proven leadership in incident response, vulnerability management, and security architecture design.
• Strong technical understanding of blockchain technologies, cryptography, cloud environments anddistributed systems.
• Excellent communication and leadership skills, with the ability to effectively influence cross- functional teams.

Why it is a fantastic opportunity:

• Our business is growing at an exponential scale.
• Non-bureaucratic management that focuses on results.
• Regular performance reviews to assess your progress.
• Remote setup with access to our hubs in Dubai, Yerevan, London and Belgrade.
• Compensation for medical expenses.
• Provision of necessary equipment.
• 20 working days of paid vacation annually.
• 11 days off per year.
• 14 days of paid sick leave to support your health and recovery when needed.
• Access to internal conferences, English courses and corporate events.

Mayflower is a technology company that alters the entertainment industry to a new level of perception and engagement.

We are building the future of live entertainment. We believe that by providing people with the best and high-quality live streaming experience in entertainment, we can tackle the world’s “problems” better, together!

We are looking for an experienced backend developer who will join our team of a highload (200k RPS) project in Limassol office.

Responsibilities

• Development and support of business tasks;
• Work on infrastructure tasks;
• Profiling and optimizing solutions;
• Unit and API code coverage with tests;
• Search for scaling solutions.

Requirements

• At least 5 years of experience in PHP/Go development (the current version of PHP in the project is 8.2);
• Proficient in PHP and MySQL;
• REST API - design and implementation;
• Unit and functional tests - understanding why they are needed, the ability and desire to write them;
• Debugging, profiling, optimization of PHP/Go code - practical experience;
• Sharding, replication - understanding the principles, pros and cons.
• Data structures - to be able to choose the right one for solving a specific task.

Qualification that can be a plus:

• Experience with Elasticsearch, Redis, microservices, Golang.

Conditions

We know that great talent deserves great conditions, so here's what you can expect when joining us:

• EU-based employment contract and a 3-year Cyprus work visa with full support for your relocation and visa processes, including assistance for your family.
• Full relocation package: flights to Limassol for you and your family, a company-covered apartment for the first month, and full relocation support to make your move smooth and hassle-free.
• Transparent performance reviews twice a year, with bonus opportunities and salary adjustments.
• Private medical insurance for you and your family, a corporate mobile plan (unlimited in Cyprus with roaming included), and interest-free support for car purchases.
• Mindfulness & well-being support, including psychological assistance with 50% coverage.
• 50% coverage of school and kindergarten fees for your children.
• Fully covered sports benefits, and also access to in-house electric scooters and bike rentals, and cycling purchase compensation.
• Investment in your growth: paid language courses and access to suited-for-you development programs, including conferences, training programs, and coaching to support your professional journey.
• A culture of recognition: a peer reward program to celebrate your contributions.
• A fully equipped office in Limassol’s city center, with everything you need for deep work and collaboration.
• Free catering in the office and an in-house coffee bar with high-quality drinks and a health bar stocked with nutritious snacks.
• A strong engineering culture: international teams, corporate events, team buildings, and hackathons—because great work happens in great communities.

Recruitment process

1. HR Interview (45 mins);
2. Technical Interview (1.5 hours);
3. Test task (3-6 hours);
4. Final Interview (1 hour).

Here at Pink Elephant VC, we are seeking an exceptional Senior WordPress Developer to architect, build, and maintain sophisticated web platforms and portals. This is a unique opportunity to apply your deep expertise in a dynamic venture capital environment, creating high-impact digital solutions for our firm and potentially for our portfolio companies. This role requires a full-stack approach, with expert-level knowledge of the WordPress ecosystem, modern PHP, and particularly, the WooCommerce platform. The ideal candidate is a true WordPress professional who can write clean, scalable custom code, architect complex solutions from the ground up, and push the boundaries of what’s possible with WordPress.

Key Responsibilities

• Custom Development Lead the end-to-end development of custom WordPress themes and plugins, adhering to modern PHP standards and WordPress coding best practices.
• WooCommerce Architecture Architect, build, and extend complex e-commerce and membership solutions using WooCommerce. This includes creating custom payment gateway integrations, advanced shipping logic, subscription models, and bespoke functionalities.
• Full-Stack Implementation Develop on both the back-end (PHP, MySQL) and front-end (HTML, CSS, modern JavaScript) to create seamless, performant, and responsive user experiences.
• Performance & Optimization: Take ownership of platform performance, focusing on database efficiency (custom queries, indexing), implementing robust caching strategies, and optimizing for Core Web Vitals.
• API Integration Integrate our WordPress/WooCommerce platforms with various third-party services, CRMs, and internal systems via the REST API and custom endpoints.
• Security & Maintenance Proactively manage platform security, implementing robust security measures, and performing regular maintenance, updates, and troubleshooting for all our WordPress properties.
• Technical Leadership Provide technical guidance and mentorship on WordPress best practices and architecture. Conduct code reviews for any work done by external contributors or agency partners.

Required Qualifications

• 5+ years of professional experience in full-stack WordPress development in a senior capacity.
• Expert-level knowledge of WooCommerce. You must have proven experience building custom WooCommerce extensions, heavily customizing its core functionalities, and managing complex e-commerce sites.
• Deep proficiency in PHP, with a strong understanding of object-oriented programming (OOP) principles.
• Thorough understanding of the WordPress ecosystem, including the theme/plugin architecture, the WordPress REST API, action/filter hooks, custom post types, and the block editor (Gutenberg).
• Strong skills in front-end technologies: HTML5, CSS3 (Sass/Less), and modern JavaScript (ES6+).
• Proficiency with MySQL, including the ability to write and optimize complex SQL queries directly.
• Proficient with version control (Git) and modern development workflows (staging/production environments).

Preferred Qualifications

• Experience developing custom blocks for the Gutenberg editor.
• Familiarity with a modern JavaScript framework like React or Vue.js.
• Experience with modern front-end build tools (e.g., Webpack, Vite).
• Knowledge of web accessibility standards (WCAG).
• Experience with headless WordPress architectures.
• Familiarity with managed WordPress hosting environments (e.g., Kinsta, WP Engine) and basic CI/CD principles.

How to apply

Click the button below and tell us:

• Who you are
• What draws you to this role
• One experience that shows how you work in uncertain or fast-moving contexts

You can attach a CV or LinkedIn — but we care more about clarity, curiosity, and intention.

Wheely is not a traditional ride-hailing company. We are building a platform with user privacy at its core while successfully scaling a five-star service to millions of rides across multiple cities.

We are looking for a skilled Backend Engineer to join one of our dynamic technical teams, such as Marketplace, Privacy, Passenger, Supply, B2B, etc.

Responsibilities

• Work closely with cross-functional teams (designers, testers, product managers) to gather requirements and discuss project goals
• Participate in the analysis, design and evaluation of technical requirements together with the team
• Write clean, scalable, and efficient code mainly in Go language
• Implement new microservices and support old ones
• Perform unit testing and participate in integration and system testing to ensure the quality of the software
• Review and give feedback on code written by peers to ensure consistency, readability, and efficiency
• Write and maintain technical documentation, including software design documents and user guides

Requirements

• 3+ years of experience developing scalable and reliable backend services
• Proficiency with Go/Ruby/Python/C++/Java/Kotlin languages
• In-depth knowledge of common databases and messaging systems like PostgreSQL/MongoDB/Redis/Kafka/RabbitMQ, etc.
• Upper-Intermediate or higher English proficiency

Our current stack: Go microservices, shrinking Ruby monolith, Node.js, MongoDB, PostgreSQL, RabbitMQ, Thrift, Redis, AWS, Terraform, K8s, Jenkins.

What we Offer

We expect excellence from our people — both on the road and in the office. In return, we offer flexible working hours, stock options, and a range of exceptional perks and benefits.

• On-site role located in Nicosia
• Competitive salary
• Employee stock options plan
• Medical insurance, including dental
• Lunch allowance
• Relocation allowance
• Best-in-class equipment
• Professional development subsidies

As a Virtualisation’s DevOps Engineer, your job is to manage, support, and develop a Company’s virtualisation platform.

We are looking for a seasoned engineer who has experience with public and private clouds (OpenStack-based, Kubevirt-based), Kubernetes management, software-defined networks, and storage.

You will:

• Scope of technical work planning.
• Technical requirements review and update.
• Conducting PoC of new developing solutions.
• Representing results matching requirements with a strong technical, systematic approach.
• Developing deployment procedures, scripts, playbook, and HCL.
• Deploying virtualisation environments / private clouds within automation.
• Supporting existing and new virtualisation platform deployments.
• Developing deployment automation on top of virtualisation platforms / private clouds.
• Maintaining observability for virtualisation platforms.
• Ensuring the availability and reliability of platforms.
• Communicating with Platform Engineering and SRE teams.
• Updating software with security patches.
• Testing and rolling out software upgrades.

What makes you a great fit:

• Strong engineering education (Bachelor's / Master's degree in Computer Science or equivalent).
• Good IP-based network understanding with experience in SDN (software-defined networks).
• Strong Linux mastering skills (namespaces, cgroup, qemu/kvm).
• Proficient in Containerisation and Orchestration systems (Kubernetes, Docker Swarm, OpenShift).
• Advanced understanding of virtualisation on qemu/kvm.
• Experience with OpenStack is welcome.
• Strong Infrastructure-as-Code approach, Gitops practices.
• Well scripting skills in Terraform and Helm charts.
• Automation development in Python or Golang.
• Experience with Observability (Prometheus, Grafana, Loki, ELK).
• Team player skills.
• Good communication skills.
• Spoken and written English - upper-intermediate level or above.

What we offer along the way:

• Competitive and attractive compensation
• Extensive learning opportunities, such as professional training and certifications, soft skills development, free English courses, and trading workshops
• Flight tickets to Cyprus, hotel or apartment accommodation for your first month, migration support, and legal help for you and your family
• Health and life insurance for employees, spouses, and children, including vaccinations, tests, mental health care, and coverage for vision and dental care
• Generous time off, including 21 days of annual leave and paid sick leave
• Education allowance for your children’s school and kindergarten fees
• Access to our very own sports club with dedicated coaches, free Sanctum Club memberships for you and your spouse, corporate SUPs, jet skis, etc.
• A branded company car with a parking space near the office
• Outstanding team-building experiences and Exness community gatherings

Your journey after applying:

1. First interview with Talent Acquisition Specialist (up to 45 minutes)
2. Short online English test (for non-native speakers)
3. Technical Interview (1,5 hours)
4. Final interview (1 hour)

Sumsub is the one verification platform to secure the whole user journey. With Sumsub’s customizable KYC, KYB, transaction monitoring and fraud prevention solutions, you can orchestrate your verification process, welcome more customers worldwide, meet compliance requirements, reduce costs and protect your business.

Sumsub has over 4000 clients across the fintech, crypto, transportation, trading and gaming industries including Duolingo, Bitpanda, Wirex, Avis, Exness, Flippa, italki, Bybit, LBANK, Gett, Kaizen Gaming, and TransferGo.

Our products are recognised by industry leaders like Gartner's Magic Quadrant, Forrester Wave™ and Frost Radar™.

Now we are looking for a Middle Frontend Developer for our Growth Marketing team who will help us identify, implement, and manage web-based initiatives to guarantee that the information is presented to end users in an inviting and pertinent style.

Our stack:

• HTML, CSS, SCSS, React, Typescript, JavaScript
• Next.JS
• WordPress
• Apollo GraphQL
• Git
• Figma

What you will be doing:

• Developing UX/UI components for customer-facing applications (mainly our website) to enhance scalability, performance, and user experience.
• Helping improve the overall experience of our website by improving the quality of the frontend features.
• Understanding business requirements and translating them into technical ones.
• Utilising a high-quality code, including continuous integration, declarative, and functional programming.
• Collaborating with Tech, Sales, Customer Success and other teams to develop and execute sustainable and powerful ideas.

About you:

• 3+ years of experience in web development or a related field.
• Good command of Russian and English.
• Notion of HTML, CSS, SCSS, React, Typescript, JavaScript and Next.js - must have.
• Notion of current web accessibility standards and requirements.
• Experience working with front-end animation libraries like GSAP, Tween, or anime.js
• Understanding marketing concepts such as conversion, analytics, A/B testing, lead generation, buyer journeys, and search engine optimization will be a huge plus.
• Experience working with Apollo GraphQL, Git, and WordPress will be valued a lot.
• Excellent team communication skills, ability to build the right connections with stakeholders, proactivity, and desire to take ownership of the project.
• Ability to manage several projects at once and work within deadlines.

What We Offer:

• Competitive salary and bonus programs.
  
• Fully remote and flexible working schedule, with access to a coworking space (in some locations).
• Working with a product that matters. Our technology helps to protect millions of users and lots of online services worldwide.
• International project. Our team works from offices in Berlin, Limassol, London, and Miami, our customers are spread from Mexico and the USA to Hong Kong, South Korea, and Singapore.
• Personal development plan and transparent grading system.
• 1 extra day off to celebrate your birthday.
• 7 additional days to enjoy the Christmas & New Year holidays.
• 7 days of sick leave (without the need for documentation).
• Regular, fully covered team offsites to connect and collaborate.
• Learning opportunities and support to attend industry events with the team.

The hiring stages: TA screening -> Interview with Head of Growth Marketing -> Assignment -> Final Interview with CMO.

Sounds like a great opportunity for your career development? Then go ahead and apply!

To be eligible for this position, candidates must have legal residency within the European Union / UK or hold digital nomad status. We value diversity and welcome applications from individuals of all backgrounds and experiences.

About 3F Venture‍

3F Venture is a Luxembourg-based venture studio focused on simplifying business operations for small and medium-sized enterprises (SMEs) in Luxembourg and the European Union through innovative technology, including AI-powered solutions. We are building a next-generation AI platform to help lawyers search, understand, and draft legal documents efficiently. Join us to shape the future of legal-tech and make a lasting impact on the SME market. We are looking for a full-stack AI engineer who can manage everything from GPU clusters to GDPR compliance and is ready to grow from a key employee to a Co-Founder. If you are excited to build, lead, and shape the future of legal-tech at 3F Venture, we want to hear from you!

Mission‍

As a Lead AI Engineer at 3F Venture, you will take ownership of the technology stack and roadmap for our AI-powered legal assistant platform. Starting as a key employee, you will lead the development of our MVP with enterprise-grade security and scalability. Based on your performance and contributions, you will have the opportunity to become a Co-Founder, shaping the company’s vision and future.

Initial Role and Responsibilities

• Technology Implementation: Execute architectural decisions and stack setup, balancing speed and long-term reliability.
• LLM / RAG Development: Design and implement Retrieval-Augmented Generation (RAG) pipelines, optimize and fine-tune LLMs.
• Data Processing and ETL: Build and manage the data ingestion pipeline: PDFs/Word/scans → OCR → parsing → vectorization
• DevOps and SecOps: Set up CI/CD, Infrastructure as Code (IaC), and monitoring; implement security best practices (encryption, access control, auditing).
• Team Collaboration: Work with a small engineering team (1–2 week sprints) and participate in hiring and mentoring as the team grows.
• Cost Optimization: Monitor and optimize costs for storage, GPU compute, and cloud services.

Requirements:

• 5+ years of professional software development experience, including 2+ years in a leadership role (e.g., Tech Lead, Engineering Manager).
• Advanced Python skills and hands-on experience with RAG frameworks (e.g., LangChain, LlamaIndex).
• Experience deploying LLMs (OpenAI, Llama 3, Mistral) in production, including finetuning and optimization (LoRA/QLoRA, quantization, vLLM).
• Proficiency in building ETL pipelines for unstructured documents and experience with OCR (Tesseract, PaddleOCR).
• Knowledge of vector databases (Qdrant, Milvus, Pinecone) and search engines (Elastic/OpenSearch); understanding of hybrid retrieval.
• Experience with containers and orchestration (Docker + Kubernetes or equivalent).
• Proven track record of implementing security and compliance measures (encryption, RBAC/ABAC, GDPR, ISO-27001).
• Fluency in English (B2+).

Path to Co-Founder Role

You will have the opportunity to transition to a Co-Founder role upon meeting the following milestones:

• Successful MVP Delivery: Lead the development and launch of a high-quality MVP that meets customer needs and demonstrates market potential.
• Leadership and Team Building: Demonstrate the ability to build, mentor, and lead a high-performing engineering team.
• Strategic Contribution: Actively participate in shaping the company’s strategic direction, including product vision, technology roadmap, and business development.
• Key Metrics: Achieve target metrics such as user adoption, system reliability, and cost efficiency.
• Upon meeting these milestones, you will be offered a Co-Founder role with significant equity in the company and full responsibility for the technology strategy.

Benefits and Compensation:

• Initial Compensation: Competitive salary with performance-based bonuses.
• Path to Equity: Opportunity to earn significant equity upon transitioning to Co-Founder.
• Autonomy and Influence: Full control over technology decisions and the chance to shape the company’s future.
• Growth: Opportunity to hire and lead your own team while tackling enterprise-grade challenges (security, scale, ML ops).
• Market Impact: Bring cutting-edge LLM technology to lawyers worldwide and transform the legal industry.

Company culture and values:

3F Venture creates conditions for the effective commercial implementation of projects by dividing its resources between different projects. We launch startups in various fields such as EdTech, SocialTech, AI, computer vision, and markets including the EU, US, and Asia. In other words, we are a business that creates other businesses.

At 3F, we foster a culture of innovation, collaboration, and continuous learning. We empower team members to take ownership of their projects and contribute to the success of our ventures. We value integrity and a passion for driving positive change in the industries where we operate.

We prioritize attention to detail, clarity, and performance.

AppMySite, www.appmysite.com is a no-code mobile app builder that empowers users with the ability to create premium native mobile apps, in real time. Our SAAS platform enables website owners, freelancers, and digital agencies to create customisable and affordable Android & iOS apps. All mobile apps created are optimised for performance and built for publishing on the app stores. AppMySite, is a product of WishACloud Private Limited.

Job Role:

We are seeking a driven and experienced Lead Mobile App Developer to join our innovative team. In this role, you will play a crucial part in leading our app development efforts, driving innovation, and ensuring the delivery of high-quality mobile applications. This position requires an individual with extensive experience in Android and iOS app development, with a focus on leading and conducting code reviews for both platforms. As the Technical Lead for App Development, you will have the opportunity to contribute to the development of cutting-edge solutions that empower users worldwide.

Project Role: Lead Mobile App Developer

Work Experience: 8+ years

Work Location: Remote

Must-Have Skills: Kotlin, Java, Swift, MVP, MVVM with strong leadership skills.

Roles and Responsibilities:

• Lead the development and maintenance of applications for both Android and iOS platforms.
  
• Conduct thorough code reviews for Android and iOS apps, ensuring adherence to coding standards, best practices, and performance optimizations.
  
• Collaborate with the development team to design and build advanced applications for diverse ranges of devices.
  
• Work with external data sources and APIs, integrating them effectively into Android and iOS applications.
  
• Unit-test code for robustness, including edge cases, usability, and general reliability across Android and iOS platforms.
  
• Monitor the performance of live apps and work on optimizing them at the code level for both Android and iOS platforms.
  
• Stay updated with new mobile technology trends, applications, and protocols for both Android and iOS platforms.
  
• Collaborate with UI & UX designers to ensure that each app is presentable and in perfect working order.

Technical Profile:

• Proficiency in Kotlin, Java, Swift, MVP, MVVM for Android and iOS app development.
  
• Proficient understanding of code versioning tools such as Git, BitBucket, SourceTree for both Android and iOS platforms.
  
• Familiarity with various testing tools and continuous integration and deployment processes for Android and iOS apps.
  
• Strong understanding of ViewModel for both Android and iOS platforms.
  
• Well-versed with Google's design principles & application interface guidelines for Android apps and Apple’s design principles & application interface guidelines for iOS apps.
  

Desired Candidate Profile:

• Good communication skills
  
• Good, positive attitude
  
• Good debugging and problem-solving skills
  
• Good IQ
  
• Lots of common sense

Muse Group empowers music makers. We create the world’s most popular apps for playing, recording, and composing music. Through our innovative learning tools, expansive music catalogs, and free open-source software, we make it easier for millions — from beginners to experienced musicians — to be creative every day. Our talented team of music lovers collaborates all over the globe, from Limassol to Seoul, Boston to Berlin. We’re an ambitious company with the drive and culture of a startup — with many more exciting Muse Group developments to come.

We’re growing the Sheet Music Plus team and looking for a Backend Developer to build a dynamic, powerful ecosystem that empowers millions of creators worldwide through the world’s largest sheet music selection.

What's in it for you?

• High-impact work: Build tools used by millions of musicians globally—from hobbyists to professionals.
• Remote-first culture: Work from anywhere.
• Growth & autonomy: Work directly with product and design teams, own your results.
• Creative synergy: Collaborate with passionate technologists, musicians, and designers in a mission-driven environment.
• Musical passion encouraged: If you play, sing, compose, or just love music—this is your place.

You won't hear water cooler chat about the weather here at Muse, here we are rating our favorite Prince albums and discussing Japanese punk.

Key responsibilities:

• Developing new features for product ecosystem and e-commerce projects
• Debugging and resolving technical issues
• Writing unit and integrational tests
• Deal with technical debt and improve the current codebase

Required experience:

• Extensive experience with modern PHP (we use PHP 8.0), with the ability to leverage the strengths of the language
• Ability to design and optimize relational databases (we use MySQL)
• Experience working with Yii2
• Capability to manage projects independently, from design to release and support
• Skill in estimating deadlines, promptly flagging issues, and focusing on results
• Understanding of which tasks can be solved "quickly" and which require a more "perfect" solution
• Experience in optimizing PHP applications under load
• Proven ownership mindset—taking initiative, solving problems proactively, and driving solutions forward
• At least B2 level of English
• Ability to work overlapping hours with US colleagues is required (till 12 pm EDT)

Nice to have:

• Experience with high-load projects that have a long development history
• Experience sending analytical data to services/storage (Clickhouse)
• Experience working with search systems (Elasticsearch)
• Music background or passion for music

Hiring process:

• HR Interview
• 1st Technical Interview
• 2nd Technical Interview
• Final Interview with the Hiring Team
• Reference check
• Offer

We offer:

• Work remotely or at a co-working place of your choice in your favorite band t-shirt.
• Make inspiring products for musicians, artists and creators – no day is the same.
• Influence the future of the music industry and change the lives of millions worldwide.
• Get a generous allowance for work equipment and co-working spaces (for those not in Cyprus).
• Receive specialized training, language lessons, conferences and learning materials.
• Access to therapy whenever you need it, and assistance in difficult life circumstances.

Atlassians can choose where they work – whether in an office, from home, or a combination of the two. That way, Atlassians have more control over supporting their family, personal goals, and other priorities. We can hire people in any country where we have a legal entity. Interviews and onboarding are conducted virtually, a part of being a distributed-first company.

To help our teams work together, this role requires you to be located in Poland. This role can be performed remotely or onsite in our office in Gdańsk. You can also work remotely worldwide for a maximum of 90 days per year.

We're looking for a Junior Full Stack Software Engineer to join our team, focused on delivering creative improvements for our engineering teams.

If you are passionate about software and finding solutions to problems through agility, we want to talk with you! You will be a key contributor to Jira Align, which strives to simplify software at scale by bringing business and software development organizations together in one intuitive solution. You will work with team members around the globe on a daily basis and be a part of a growing team building and supporting a product used by many Fortune 500 companies.

Your future team

To become a 100-year company, we need a world-class engineering organisation made up of empowered teams who have the tools and infrastructure to do the best work of their careers. You’ll be joining a team that is passionate about building great software and quickly iterating on ideas and working to provide customers with a continuously improving experience. We challenge each other constantly to improve, always asking difficult questions and pushing personal and professional growth. This team is focused on building features for enterprise-scale customers with improved performance, scale-ability, and security in mind while meeting and exceeding the needs. Our team has a direct impact on the growth of Atlassian

In this role, you will:

• Build and ship features and capabilities daily in a highly scalable, cross-geo distributed environment;
• Be part of an amazingly open and collaborative work environment with other experienced engineers, architects, product managers, and designers;
• Review code with best practices of readability, testing patterns, documentation, reliability, security, and performance considerations in mind;
• Ensure complete visibility, error reporting, and monitoring of backend services;
• Participate in Agile software development, including daily stand-ups, sprint planning, team retrospectives, and show-and-tell demo sessions;
• You will report directly to your Engineering Manager.

Your background:

• 2+ Experience in crafting and implementing highly scalable and performant RESTful microservices;
• Experience or interest with .NET Framework (C#).
• Proficiency in any modern object-oriented programming language (Java, Kotlin, Go, Scala, or Python);
• Fluency in any database technology (for example, RDBMS like Oracle or Postgres or NoSQL like DynamoDB or Cassandra);
• Passion for collaboration;
• Broad knowledge and understanding of the SaaS, PaaS, and IaaS industry with hands-on experience with public cloud offerings (AWS, GAE, Azure);
• Familiarity with cloud architecture patterns and an engineering discipline to produce software with quality.

Additional Qualifications:

• DevOps familiarity with CI/CD pipelines and automated deployment tools (e.g., Octopus).
• Familiarity with AWS fundamentals (e.g., VPC, EC2).

Compensation:

At Atlassian, we strive to design equitable, explainable, and competitive compensation programs. To support this goal, the baseline of our range is higher than that of the typical market range, but in turn we expect to hire most candidates near this baseline. Base pay within the range is ultimately determined by a candidate's skills, expertise, or experience.

138,600 PLN — 180,950 PLN annually

This role may also be eligible for benefits, bonuses, commissions, and equity.

Benefits & Perks

Atlassian offers a wide range of perks and benefits designed to support you, your family and to help you engage with your local community. Our offerings include health and wellbeing resources, paid volunteer days, and so much more.

WHG is seeking a highly skilled and experienced Senior Information Security Engineer to join our fast-growing company. This role is perfect for a senior-level professional who thrives in a fast-paced environment and has a proven track record in cybersecurity, particularly within the online gambling or financial services industries. The ideal candidate will have a deep understanding of security best practices, vulnerability management, and compliance standards like PCI DSS, ISO27001 and SOC 2.

Your day to day:

As a Senior Information Security Engineer, you will be a key leader in our security team. You'll be responsible for maturing our security posture, leading initiatives, and mentoring team members. Your responsibilities will include:

• Collaborating on external security audits, with a specific focus on PCI DSS audits, and supporting the compliance team with data, solutions, and remediation efforts.
• Collaborating and overseeing vulnerability and penetration tests conducted by trusted suppliers. You will be the primary point of contact for understanding test outcomes and working directly with compliance, development, infrastructure, and SRE teams to ensure the timely resolution of all identified issues.
• Manages and continuously improves the organisation's vulnerability and patch management program, including vulnerability scanning, assessment, prioritisation, remediation tracking, and patch deployment across all relevant systems and applications.
• Designing, implementing, and monitoring security metrics to proactively identify and address potential security issues.
• Leading investigations into security incidents and possible breaches, conducting root cause analysis, and developing solutions to prevent recurrence.
• Collaborating closely with the SRE team to identify and eliminate weaknesses in our infrastructure, with a strong focus on both Cloud-based (AWS) security.
• Driving the design and implementation of security automation and tooling to enhance security across the entire business.
• Leading architectural design discussions to ensure secure practices and tools are integrated into all new projects and systems from the ground up.
• Guiding business projects to ensure information security is a foundational consideration throughout the entire project lifecycle.
• Creating and maintaining comprehensive technical process and procedure documentation.
• Mentor junior security staff and share your expertise to help grow the team's capabilities.
• Staying current on new and emerging security trends, threats, and industry standards.
  

What we are looking for:

• Extensive experience in information security, with a proven track record in a senior-level role.
• Significant experience in the online gambling or financial services industry is highly beneficial.
• Deep, hands-on experience with PCI DSS audits and compliance.
• A thorough understanding of penetration tests, vulnerability assessments, and security tooling.
• Strong knowledge of both Cloud-based (AWS) infrastructure and on-premise security requirements.
• Experience with internal scanning and vulnerability management processes.
• CISSP. CompTIA PenTest+, Enterprise Vulnerability Assessor Qualification, Security Certified Professional, or Certified Ethical Hacker certification is highly desirable.
• Excellent communication skills, with the ability to articulate complex security concepts to both technical and non-technical stakeholders.
• Proven ability to work in a fast-paced environment and adapt to changing priorities.
  

How we approach things:

• Dynamic Medium-Sized Environment: We have a can-do ethos, where innovation is encouraged, and action is valued.
• Core Values at Heart: We live by Teamwork, Innovation, Trust, and Integrity in everything we do.
• Results-Oriented Focus: We prioritize getting things done while supporting each other to reach both collective and individual goals.
• Open Collaboration: Our open-door policy fosters collaboration across all levels and departments, where ideas flow freely.
• Global Team: We are truly a global team with people from various counties and cultures contributing to our success.

What we offer:

• A remote and flexible working schedule.
• Generous time off varied based on the country of residence.
• Discretionary annual performance bonus
• Training and other learning & development opportunities to support you through your career progression.
• Hardware & Software allowance or work equipment is provided to make sure you have all the right tools to get the job done.
• Various well-being programmes and initiatives.

Everything about WHG won't fit into a job ad, want to find out more about working with us? Apply to get the conversation started.

Inktech — is an international IT company headquartered in Limassol, Cyprus. Since 2017, we have been creating and launching our own software products and services, focusing exclusively on Fintech and iGaming solutions. We are proud to be product-focused. Our team is our greatest asset.

We are looking for a Senior Backend Developer (Node.js) to join our team.

‍Responsibilities:

• Development and support of an internal product to automate business processes of related teams (API);
• Automation of small tasks (standalone scripts);
• Participation in code review;
• Participation in designing new functionality (tasks, decomposition, design documentation);
• Testing (unit).

Requirements:

• Solid production experience with NestJS, deep understanding of modular architecture and dependency injection;
• Hands-on experience building complex business domains using CQRS and DDD approaches;
• Experience designing and maintaining APIs (REST/GraphQL), including validation, authorization, and error handling;
• Proficient with PostgreSQL via TypeORM, query optimization, and migrations;
• Experience integrating with external services (bots, queues, third-party APIs);
• Skills in organizing logging, monitoring, and working with Pino and Swagger;
• Experience with microservices, queues, and Redis;
• Understanding of deployment processes using Docker, Helm, and CI/CD.

Nice to have:

• Experience implementing internationalization (i18n);
• Practice integrating with Telegram, Centrifugo, and payment systems;
• Skills in setting up infrastructure with Kubernetes.

We offer:

• High salary (plus performance bonuses and salary revision regularly);
• Work schedule: Mon-Fri (9h with 1h lunch break), flexible start 8:00-10:00;
• 24 days holiday leave;
• Exciting work challenges that allow you to grow to your full potential;
• A strong team of like-minded professionals who will be by your side to accomplish ambitious; projects, stimulate your professional development and bring experience.

We’re looking for a Site Reliability Engineer (SRE) to help us monitor, analyze, and improve the performance of our infrastructure. You’ll work at the intersection of software and systems, ensuring reliability at scale and driving improvements in observability, latency, and uptime.

Responsibilities:

• Investigate performance and latency issues
• Observe infrastructure and business metrics
• Develop and implement new approaches to system monitoring

Requirements:

• SRE background
• C++ and Python coding abilities
• Linux system programming and networking

Even better if you:

• Successfully introduced new system or business metrics
• Have math or computer science degree
• 3 years of experience in designing, analyzing, and troubleshooting large-scale distributed systems

What we offer:

• High salary + exceptional bonuses
• Direct impact on the business
• Work directly with the founders, flat structure & fast growth
• A-player team – talented people with Olympiad backgrounds and top-tier degrees
• Relocation package that makes moving easy
• Regular team events & sports

This role offers the opportunity to relocate to Poland, Spain, or the UAE. You'll receive support from Revolut throughout the entire process. Once you move, you'll have the flexibility to work remotely or in a hybrid model from an office in Krakow, Barcelona, Madrid, or Dubai.

Our Technology team isn’t just one of the best in the industry. It’s one of the best in the world. And we’re proud of it. It’s our driving force, our engine. From building a new financial backend to creating an innovative app and features that millions of people around the world will use, there’s nothing our Tech team can’t do.

We’re looking for a Backend Engineer who wants to change the world. If you want your work to change the global financial landscape, you might be just who we’re looking for.

We have a minimalist approach to using external frameworks, with an emphasis on maintainability and fast turnaround with TDD, DDD and Continuous Integration & Delivery.

Our technology stack:

• Java 17/21
• GCP, Kubernetes, Grafana, Prometheus, NewRelic
• PostgreSQL, Redis
• Spock, SparkJava
• JOOQ, Flyway

If you’re up for the challenge of shaping the future of finance, let’s get in touch.

What you’ll be doing

• Building mobile APIs
• Developing microservices to evolve our architecture
• Perfecting systems that our business depends on, like risk management, fraud detection, and payment processing
• Focusing on greenfield development and improvement of existing systems

What you'll need

• Fluency with Java
• 6+ years of experience in backend development
• A bachelor's degree in computer science, maths, physics, or similar field
• To be a quick learner with an ambitious attitude and results-driven personality
• The ability to work well as part of a team in a fast-paced environment
• Excellent communication and organisational skills
• Fluency in English

Nice to have

• Familiarity with Kotlin or Scala
• A background in financial services or fintech
• Experience in a startup or scale-up
• Involvement in product-centric development environments

We are looking for a talented MLOps Engineer to join our Vector team in Barcelona (Relocation is provided).

Responsibilities:

• Extend and maintain our online inference service (2M predictions per second) in Python;
• Develop ML-oriented CI/CD pipelines (Databricks MLFlow, Dagster);
• Maintain Online/Offline observability;
• Deploying machine learning models in production;
• Enable data scientists to run their experiments, support their model interface in online inference service.

Requirements:

• Over 3 years of experience in MLOps or high load environment;
• Master's or Ph.D. in Computer Science, Machine Learning, or a related field, or equivalent practical experience;
• Ability to design and implement cloud solutions and to build MLOps pipelines (entire ML project lifecycle, including data management, experimentation, model training, deployment, and monitoring);
• Experience with data pipelines like Dagster and Airflow;
• Experience with model repositories like MLFlow;
• Experience with various method of model deployment (docker image + API, ONNX binary, joblib etc);
• Fluency in Python;
• Fluency in Rust;
• Excellent understanding of different formats (JSON, YAML, pickle etc);
• Good understanding of network programming and protocols (TCP, HTTP, GRPC, UDS) and their limitations;
• Deep understanding of linux, docker and k8s (network, sidecars, shared resources);
• Knowledge of fundamental computer science concepts including common data structures and algorithms;
• Test driven development;
• Monitor the MLOps tools/approaches landscape to actively identify solutions for various domain problems;
• Ability to understand tools used by data scientists and experience with software development and test automation;
• Excellent English language skills.

Nice to have:

• Practical experience with Databricks;
• Experience with Docker and Kubernetes;
• Working knowledge of Vector Databases (OpenSearch, Qdrant, Weaviate, LanceDB, etc);
• Experience with Online Feature Stores (Hopsworks, RonDB, redis);

This position supposes relocation to Barcelona and work from our office in the city center.

‍Why Join Us:

• Opportunity to work on cutting-edge projects with a global impact in the mobile app industry.
• A collaborative and inclusive work culture that values innovation and continuous learning.
• Competitive salary, flexible work arrangements, and comprehensive benefits package.
• Professional development opportunities and career growth prospects within a fast-growing company.

With an outstanding product and a mission that excites and inspires, Appodeal offers a unique opportunity to make an impact while being part of an amazing team.

Join us and help shape the future of mobile app success!

CoinsPaid offers ready-to-use crypto payment solutions tailored to business’ every need. Standing at the forefront of mass adoption, our products help businesses gear up for the new era of digital assets. We showed a tremendous growth in terms of transactions and volumes since 2019 and in 2023 were marked by Forbes as the "Best Crypto Payment Gateway for High-Volume Transactions".

Headquartered in Estonia and having 3 international hubs, we are still a remote-first company with employees working from 30+ countries around the world. At CoinsPaid, we are passionate about crypto, fintech and are putting great effort into building a team that will get the world ready for every-day crypto use. If these feel close to you - give us a shout!

Responsibilities

• Write robust, scalable, and reusable Golang code according to requirements
• Cover code with unit tests. Work together with QA engineers to ensure high, consistent code quality
• Perform code reviews, help teammates with solving technical problems
• Troubleshoot issues where needed
• Participate in requirements and implementation discussions
• Ensure stable operation of the product through monitoring, alerts and metrics
• Develop applications to work in an isolated infrastructure, complying with security standards
• Work only with the backend, solve complex algorithmic problems related to fintech
• Communicate clearly with the team about technical directions and product goals
• Promote knowledge sharing across the team

Requirements:

• 3+ years of experience with Golang as a primary working language and 5+ of overall development experience
• Experience with queues Kafka/NSQ/NATS/Rabbit
• Comfortable working with Docker, Kubernetes, good understanding of CI/CD (we use ArgoCD and Gitlab)
• Experience with MySQL or similar DBs
• Experience with software engineering best practices (e.g. unit testing, code reviews, design documentation)
• Experience with Scrum
• Understanding of software observability tools - Prometheus, Grafana, ELK, Opsgenie
• Experience in training and onboarding engineers (will be as plus)
• Skilled in assessing technical skills and knowledge via code reviews, peer evaluations

Nice to have:

• Experience in training and onboarding engineers
• Experience mentoring junior and mid-level developers, offering coaching, feedback, and support for their career growth.
• Understanding crypto industry
• Take part in interviews

We’re looking for a Middle Backend Developer to join one of our core product teams — BackOffice, Growth, or Pensions. You’ll help us scale mission-critical systems, improve operational efficiency, and deliver great experiences for both internal and external users.
You’ll work closely with engineers, product managers, designers, and business stakeholders, and you’ll have the autonomy to own solutions end to end. This role is ideal for someone who’s proactive, reliable, and passionate about clean, maintainable code that solves real business problems.

What You’ll Do

• Design and build backend services in Python 3.11, using Django and Django REST Framework
• Work with MySQL to design and optimise database schemas, and use Redis for caching and performance
• Develop and evolve RESTful APIs for both client-facing features and internal tools
• Own features end-to-end: from shaping the technical approach to release, monitoring, and iterative improvement
• Improve system scalability, performance, and reliability as we grow rapidly across new product lines
• Collaborate with cross-functional teams (Product, Design, Compliance) to deliver features that are simple, compliant, and impactful
• Debug and solve production issues, proactively identify bottlenecks, and drive architectural improvements
• Follow best practices in version control (Git), CI/CD (we use TeamCity, GitHub Actions), and code quality
• Contribute beyond code: suggest smarter flows, improve developer experience, and advocate for technical excellence
  

What We’re Looking For

• 2+ years of backend development experience in Python
• Solid experience with Django (or equivalent Python frameworks)
• Strong understanding of relational databases (MySQL or PostgreSQL)
• Experience working with RESTful APIs
• Proficiency with Git and CI/CD tools (TeamCity, GitHub Actions, etc.)
• Strong communication skills and a proactive, solution-oriented mindset
• Comfortable working in fast-paced environments with evolving requirements
• English fluency (C1 level and above) — we are a UK-based company, and the role involves regular communication with the team
  

Nice to Have

• Experience with Redis, AWS, and Docker
• Previous work in fintech, product-first companies, or regulated environments
• A public GitHub profile with meaningful contributions or personal projects is a strong plus

How We Work

We’re a lean, fast-moving team that values clarity, ownership, and transparency.
Our backend developers are not just code writers — they contribute to architecture, improve processes, and help shape the product. We expect autonomy, but we also support each other. No bureaucracy, no drama — just respectful collaboration and meaningful work.

What We Offer

• Impact from day one
  You’ll be solving real problems that make a measurable difference to the business and our users.
• Room to grow
  We’re scaling fast, and there’s plenty of opportunity to take on more responsibility and evolve with the company.
• Modern stack and tools
  We use Python 3.11, Django, MySQL, Redis, AWS, TeamCity, GitHub — with a focus on clean, well-maintained code.
• Transparent and open culture
  From regular team updates to open idea channels in Slack — we keep communication honest and decisions collaborative.
• Supportive team
  You’ll join a team of thoughtful, motivated people who care about what they build and how they build it.
• Remote and flexible
  Work from wherever suits you best. We care about outcomes, not time zones.

Our Hiring Process

• Intro call with the Talent team
• Technical interview with Backend team
• Final call with СTO