April 28, 2026

Senior Java Developer

Senior • Remote

30,000 - 35,000 PLN

Senior Java Developer | Remote| Fintech Client

You will:

  • Modernise legacy Java services using AI-assisted analysis, refactoring and testing

  • Build AI-powered CI/CD pipelines with automated code review, test generation and security scanning

  • Develop MCP servers and LLM-based tooling for other engineering teams

  • Ship measurable results: faster APIs, better performance, higher reliability

You bring:

  • 6+ years of Java backend experience with strong Spring Boot expertise

  • Hands-on experience modernising legacy systems at scale

  • Background in banking, fintech, trading or similar high-reliability domain

  • Solid multithreading knowledge in production systems (concurrency, locking, atomics)

  • Practical use of AI dev tools – Claude Code, GitHub Copilot or similar

  • Strong API design and microservices architecture knowledge

  • English B2+

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