> Markdown version of [/jobs/ext/2824476-senior-java-developer](https://www.wearedevelopers.com/jobs/ext/2824476-senior-java-developer). 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). --- # Senior Java Developer - **Company:** ALTEN - **Location:** Dorset, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Agile Methodology, Confluence, JIRA, IntelliJ IDEA, Java Web Services, Secure Coding, Service-Oriented Architecture, Software Engineering, Systems Architecture, SC Clearance, Containerization, Information Technology, Atlassian Tools, Restful APIs, Docker - **Published:** September 10, 2026 - **Apply:** https://www.collegerecruiter.com/job/2840589883-senior-java-developer ## About the Role * Strong proficiency in Java and REST API development. * Experience with IntelliJ IDEA and Atlassian toolset (Jira, Confluence). * Knowledge of Enterprise Architect for system modelling. * Understanding of secure coding practices and defence sector requirements. Soft Skills & Collaboration * Excellent communication and teamwork skills. * Ability to work effectively in multi-disciplinary environments. * Strong problem-solving and analytical mindset. Desirable Skills * Familiarity with CI/CD pipelines and containerisation technologies (e.g., Docker). * Experience with secure software development lifecycle. * Knowledge of Defence domain processes and safety-critical standards., * Must be eligible for or already hold UK Security Clearance (SC). * Bachelor's or Master's degree in Software Engineering, Computer Science, or related discipline OR relevant technical military background with proven software development experience. ## Description Join our team to develop Java-based applications for advanced submarine systems in the Defence sector. You'll design and implement RESTful APIs, collaborate on system architecture, and ensure compliance with secure coding practices and defence standards. This is an exciting opportunity to work on mission-critical software that underpins naval operations, applying your expertise in Java, Agile development, and system modelling to deliver robust, scalable solutions., * Design, develop, and maintain Java-based applications within a service-oriented architecture. * Implement and manage RESTful APIs for integration and interoperability. * Collaborate with cross-functional teams to ensure compliance with defence standards and security requirements. * Participate in system design and architecture reviews using Enterprise Architect. * Apply Agile development practices and contribute to continuous improvement initiatives. ## Related Videos - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [42 x 2 Canvases Later: Two Years, Two Minds, Many Lessons](https://www.wearedevelopers.com/videos/1458-42-x-2-canvases-later-two-years-two-minds-many-lessons) - [A Founder's Journey : From Startup Chaos to Purposeful Growth](https://www.wearedevelopers.com/videos/1926-a-founder-s-journey-from-startup-chaos-to-purposeful-growth) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) ## Related Articles - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)