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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Full Stack Java / J2EE Developer - **Company:** Castelan - **Location:** Weston-super-Mare, UK - **Experience:** Starter - **Salary:** £38,000.0 - £41,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, Microsoft Azure, C++ (Programming Language), Cloud Computing, Eclipse (Software), Perl (Programming Language), Java Platform Enterprise Edition (J2EE), Apache Struts, Python (Programming Language), Regression Testing, Release Management, Software Engineering, Subversion, Systems Integration, Web Platforms, Google Cloud, Cloud Platform System, Backend, Git, Kubernetes, Front End Software Development, Restful APIs, Docker - **Published:** August 3, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=bddce80745c41b79 ## About the Role We are looking for an experienced Full Stack Java / J2EE Developer with a minimum of four years' hands-on commercial development experience. This is not an entry-level or graduate position; we are looking for someone who can confidently contribute from day one across both front-end and back-end development., You will bring at least four years' hands-on commercial Java / J2EE development experience, ideally gained in a fast-paced business environment. This role is suited to an established developer rather than a recent graduate or entry-level candidate. If you're looking for a role that offers variety, responsibility, and the chance to broaden your technical exposure as Castelan continues to evolve its digital landscape, this could be the next step for you., You'll bring: * Minimum four years' commercial experience delivering Java / J2EE development projects across both front-end and back-end technologies. * Strong knowledge of J2EE, RESTful Web Services, and frameworks such as Struts * Experience across both front-end and back-end development * Good understanding of unit, integration, system, and regression testing * Confidence using tools such as Git, SVN, and Eclipse * A practical, collaborative approach to problem solving * A genuine interest in modern development practices, new technologies, and continuous improvement * Experience with any of the following would also be beneficial: * Docker or Kubernetes * UNIX/Linux environments * Build, configuration, and release management * APIs and system integrations * Cloud platforms such as AWS, Google Cloud Platform, or Microsoft Azure * Additional languages such as C++, Python, Perl, or JavaScript, If you're a motivated Full Stack Java / J2EE Developer who wants to work on meaningful systems, contribute ideas, and be part of a business investing in digital transformation, we'd love to hear from you. Please note: this role requires a minimum of four years' relevant commercial development experience and is not suitable for recent graduates or candidates seeking their first developer role. ## Description This is a fantastic opportunity to take ownership of meaningful development projects across the full software lifecycle - from requirements analysis and solution design through to development, testing, deployment, and continuous improvement. You'll work on business-critical systems, cloud-based solutions, integrations, and scalable digital platforms in a collaborative environment where your technical input will be valued., * Design, build, enhance, and maintain Java and J2EE applications that support key business processes * Work across front-end and back-end technologies as part of varied development projects * Contribute to solution design, technical discussions, peer reviews, and application walkthroughs * Support system integrations, APIs, cloud-based platforms, and connected digital solutions * Help resolve production issues and deliver robust, reliable fixes * Create clear technical documentation to support handover, knowledge sharing, and long-term support * Contribute to build, deployment, release, and continuous improvement practices * Work with stakeholders and internal teams to understand requirements and recommend practical technical solutions ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [The Future of Cloud is Abstraction - Why Kubernetes is not the Endgame for STACKIT ](https://www.wearedevelopers.com/videos/413-the-future-of-cloud-is-abstraction-why-kubernetes-is-not-the-endgame-for-stackit) ## Related Articles - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Fullstack developer salary in Germany [2023]](https://www.wearedevelopers.com/magazine/197-fullstack-developer-salary-in-germany-2023)