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# Senior Software Engineer

- **Company:** Doghouse Recruitment
- **Location:** Germany
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Artificial Intelligence, Code Review, Software Debugging, Junit, PostgreSQL, Microsoft SQL Server, MongoDB, MySQL, Oracle (Applications), Software Tools, Mockito, Multithreading, Concurrency, Technical Debt, Backend, Code Restructuring
- **Published:** September 6, 2026
- **Apply:** https://www.adzuna.de/details/5871402121

## About the Role

What You'll Do Design, develop, test, and maintain production-grade backend software in Java Work through legacy code to identify and resolve tech debt, using AI-assisted engineering tools as a core part of the workflow Contribute to technical design discussions and code reviews Debug and optimize complex production systems Collaborate closely with Product, QA, and fellow engineers to deliver high-quality releases Take ownership of features from implementation through production What We're Looking For 5+ years of backend Java development Strong Core Java skills, including the ability to write Java without the Spring xvbsvpc Boot framework Genuine, hands-on experience using AI tools to refactor, clean up, or modernize legacy codebases (not just AI-assisted feature work) Experience with concurrency and multithreading Experience with JUnit, Mockito, or similar testing frameworks Experience with PostgreSQL, Oracle, MySQL, SQL Server, or MongoDB Comfortable working in a large, mature
monolithic codebase, with curiosity about legacy decisions rather than a desire to rewrite from scratch



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