> Markdown version of [/jobs/ext/4655226-software-engineering-custom-software-engineer](https://www.wearedevelopers.com/jobs/ext/4655226-software-engineering-custom-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineering - Custom Software Engineer - **Company:** Randstad UK - **Location:** London, United Kingdom - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Custom Software, Software Design Patterns, Linux, Eclipse (Software), Java Platform Standard Edition (J2SE), Network Programming, Software Engineering, Multithreading - **Published:** November 10, 2026 - **Apply:** https://www.cv-library.co.uk/job/225818741/Software-Engineering-Custom-Software-Engineer ## About the Role * 5+ years' hands-on experience working on core Java (J2SE) applications. * Experience with application design tools/frameworks. E.g. Eclipse, Ant, etc. * Experience with multithreaded and network programming. * Strong understanding of Design Patterns. * Proficient in development on Linux platform.