Senior Software Engineer

Senior Java Engineer - Remote (EU)

You must be based in the EU - applications from outside this remit will be disregarded.

My client is a well-established payments technology business with a large, actively modernised Java platform. This is a hands-on senior engineering role working in small, autonomous teams focused on outcomes over process.

What you'll be doing:

• Designing and developing backend services, REST APIs and asynchronous messaging systems on a Java and Spring platform
• Working across a large, long-lived payments codebase - balancing new feature delivery with ongoing modernisation
• Collaborating closely with a cross-functional team through the full lifecycle from requirements through to release, including deployment to test and production environments
• Applying AI-assisted coding tools (Claude Code and others) with genuine judgement - this is treated as a core engineering skill here, not an afterthought <...