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+

Harvey Nash Technology

Harvey Nash Technology is a dynamic and fast-growing company operating in the technology industry. The company is committed to innovation and excellence, focusing on developing cutting-edge technology solutions. Harvey Nash Technology values collaboration, problem-solving, and effective communication, which are integral to its mission of delivering impactful and scalable technology solutions. The company is known for its expertise in modern web development, cloud environments, and data integration, making it a leader in the tech space. With a strong emphasis on responsive and scalable applications, Harvey Nash Technology is dedicated to meeting the evolving needs of its clients and stakeholders.

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