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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