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# Java Developer

- **Company:** Allen Recruitment
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, Java (Programming Language), Application Programming Interfaces (APIs), Software Bug Management, Relational Databases, Software Debugging, Java Application Server, Enterprise Integration, Code Restructuring
- **Published:** July 12, 2026
- **Apply:** https://www.jobleads.com/es/job/ed314dccf8d8d7afd322327b9198cf01a

## About the Role

* Strong commercial experience with Java 7 and/or Java 8
 * Comfortable in legacy / mature codebases (you don't need the "latest stack" to do great work)
 * Practical approach to debugging, fixing, and improving existing systems
 * Experience with relational databases and backend integration work (APIs, services, batch jobs, etc.)
 * Someone who values stability, clean code, and shipping reliable changes

Why this role appeals to "legacy-friendly" engineers

 * A stable environment with real business impact
 * Work that rewards experience and good judgementYou'll be trusted to improve a mature system without constant tech churn
 * Sensible pace and focus on quality, Interested candidates with the required experience and skills are encouraged to submit their CVs to explore this rewarding opportunity. Our client values proactive, detail-oriented professionals committed to delivering excellence. To learn more or clarify any queries, please contact our team via email at info@allenrec.com. Take the next step toward advancing your career by applying today!

## Description

If you're a Java developer who enjoys keeping critical systems stable, performant, and well-maintained-and you're happy working with Java 7 / Java 8-this role is built for you. This is a long-term, "keep the lights on and improve it properly" position on a mature platform that the business relies on every day., You'll join an established engineering team working on core legacy Java applications. Expect a mix of:

 * Enhancements to existing functionality (not greenfield)
 * Bug fixing and production support with sensible engineering standards
 * Refactoring where it adds real value (performance, reliability, maintainability)
 * Working closely with stakeholders to deliver safe, well-tested changes


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