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Antal

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Full Stack Developer @ Antal

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Summary

Senior Full Stack Engineer (hired via recruiting agency Antal) in Warszawa building and scaling a global cloud-based platform: designing Node.js/TypeScript microservices with event-driven messaging (Kafka/RabbitMQ), APIs, and React/Next.js frontends, with testing via Jest, Vitest, and Playwright. Hybrid work model with flexible hours.

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.

  • 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

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