Sr Java Developer (AI-assisted coding)

Sr Java Developer (AI-assisted coding)

Location: Kraków (hybrid) but remote might be discussed

Contract: employment preferred but B2B might be discussed

Employer: international fintech sector company

Tasks:

• Modernise legacy services (Java code) using AI (as much hands-off as viable) and ship results quickly with use of AI

• Work on high-impact legacy services that block divisional delivery speed

• Use AI to analyse codebases, understand dependencies, and extract clean APIs

• Use AI to accelerate every phase

• Contribute to AI implementation & automation: implement Model Context Protocol (MCP), create AI-assisted CI/CD pipelines, build automation

Requirements:

• 6+ years of experience in commercial Java backend development

• Experience in AI-assisted coding

• Have a software design knowledge, code reviewing skills and software integration experience

• Experience with regulated sectors (preferably finance/fintech) and with complex multi-application environments

• Nice to have experience with: code modernisation / refactoring, AI use in CI/CD pipelines, proving AI impact, sharing AI best practices with peers

• Fluent in English