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We're looking for a skilled Backend Developer who is confident with Golang and Java (or Kotlin), passionate about clean code, and comfortable working in cloud-native environments.
Ready for your next big challenge? Apply now and be part of something that truly connects the world.
Your tasks
- Develop scalable, resilient microservices in Go and Java/Kotlin to support high-traffic systems
- Contribute to system design, architecture decisions, and performance improvements
- Write and maintain high-quality tests (unit, integration, E2E) to ensure reliability and maintainability
- Collaborate in code reviews, share best practices, and support team knowledge sharing through documentation
- Participate in CI/CD workflows and deploy your code using modern tools like Docker, Helm, and Kubernetes
- At least 5 years of experience in backend development with Go and Java or Kotlin
- Solid understanding of object-oriented programming, design patterns, and multi-threaded systems
- Hands-on experience with cloud platforms (AWS preferred), microservices, SQL/NoSQL databases, and RESTful APIs
- Familiarity with event-driven architecture and modern deployment pipelines
- Excellent English communication skills (at least B2 level), both spoken and written
- Residing in Poland required
Benefits For You
Great Place to Work
Solid financial situation
Contracts with the biggest brands
Centre of internal trainings
Many experts you can learn from
Open and accessible management team
Profit sharing
Passion Sponsorship program
Regular integration events and trips
Comfortable and well-equipped offices
MySii app
Medical care
Key Skills
Ranked by relevanceReady to apply?
Join Sii Poland and take your career to the next level!
Application takes less than 5 minutes

