Full Stack Developer, WARSZAWA

• 5+ years of experience in software engineering.
• Strong expertise in Node.js and TypeScript.
• Experience designing and implementing event-driven architectures.
• Advanced knowledge of asynchronous programming patterns.
• Proven experience designing and maintaining complex APIs.
• Strong frontend development skills with React and Next.js.
• Hands-on experience with automated testing frameworks.
• Experience with SQL and/or NoSQL databases.
• Familiarity with search technologies such as Elasticsearch or OpenSearch.
• Professional-level English communication skills.
• Ability to collaborate across teams and support technical decision-making.

Nice to Have

• Interest or experience in AI-related projects.
• Knowledge of vector databases.
• Experience building services in Python.

Senior Full Stack Engineer (Node.js & TypeScript)

About the Role

We are looking for a Senior Full Stack Engineer to join a team building and scaling a global cloud-based platform. In this role, you will work on both backend services and modern web applications, helping to design highly scalable systems that process large volumes of real-time data while delivering seamless user experiences.

What’s Offered

• Opportunity to work on large-scale, modern cloud solutions.


• Influence on architecture and technical direction.


• Collaborative engineering culture with knowledge-sharing initiatives.


• Stable employment in an international environment.


• Flexible working hours and hybrid work model.


• Comprehensive benefits package, including private healthcare, sports card, insurance options, and additional employee perks.

,[System Architecture, Design and develop scalable microservices using Node.js and TypeScript., Ensure high availability, reliability, and low latency across distributed systems., Contribute to architectural decisions and long-term platform scalability., Backend Development & Event-Driven Systems, Build and optimize event-driven and asynchronous workflows., Work with messaging technologies such as Kafka or RabbitMQ., Design solutions capable of handling large-scale real-time data processing., API Design, Own the design and evolution of APIs., Create high-performance, type-safe interfaces connecting multiple services and applications., Promote best practices around API versioning and contract-driven development., Frontend Development, Develop modern web applications using React and Next.js., Focus on performance, maintainability, and excellent user experience., Implement efficient state management solutions and responsive interfaces., Quality & Reliability, Design and maintain comprehensive testing strategies, including Unit, Integration, and End-to-End testing., Work with tools such as Jest, Vitest, and Playwright., Contribute to a culture focused on code quality and system reliability.] Requirements: Node.js, TypeScript, Event-driven Architecture, API, React, Next.js, SQL, NoSQL, Elasticsearch, OpenSearch, Communication skills, AI, Vector databases, Python