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Java Software Developer

Idemia Public Security — United Kingdom · Posted ~3 weeks ago

Junior Onsite

Skills

Java Spring Boot Backend development RESTful APIs Clean architecture Secure coding Software development SC clearance eligibility NPPV3 clearance eligibility REST APIs

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Summary ✨ AI‑Generated

Join a software engineering team building secure, mission-critical backend services for large-scale public-sector systems. You will develop Java and Spring Boot services, create RESTful APIs, follow clean architecture and secure coding practices, and work alongside senior engineers and technical leads. The role is well suited to an early-career developer with roughly 1.5–4 years of commercial Java experience. Eligibility for UK security clearances and continuous UK residency requirements apply.

Highlights

Work on mission-critical public-sector systems with a strong focus on secure, maintainable backend engineering. The role offers close collaboration with experienced engineers and technical leads and the opportunity to contribute to systems supporting public safety.

Description

Job description: We are seeking a JAVA Software Developer to join our team in Winnersh, UK, supporting long-term UK Government projects. This role would suit someone with around 1.5 – 4 years’ commercial Java development experience, with strong fundamentals and the ability to write clean, secure and maintainable back-end code. You will work closely with senior engineers and technical leads to develop, enhance, and maintain mission-critical biometric and identity systems that directly support UK public safety operations. Please note: Candidates must be eligible for SC and NPPV3 clearance. This requires a minimum of five years’ continuous UK residency. Criminal convictions may impact approval. Design, develop and maintain secure back-end services using Java and Spring Boot Build and maintain RESTful APIs aligned to clean architecture and secure coding standards Write high-quality, maintainable, production-ready code that meets functional and non-functional requirements Contribute to requirements analysis, effort estimations and technical design discussions Apply software development best practices including version control, peer reviews, build processes and testing Optimise application performance and support bug fixes, enhancements and system improvements Work with PostgreSQL and related database technologies to ensure data integrity and efficiency Reuse and integrate existing frameworks and components where appropriate Document technical solutions clearly through code comments and supporting documentation Deliver software in line with security and compliance standards Collaborate effectively within a small engineering team and support junior developers where needed Profile description: 2–3 years professional experience in Java development with a strong understanding of core Java principles and object-oriented programming Experience with Spring Boot and REST APIs Experience working with PostgreSQL or relational databases Familiarity with version control tools such as Git Comfortable participating in live coding discussions Must have lived in the UK continuously for the past 5 years What We Offer 25 days annual leave + bank holidays Group Personal Pension with employer contribution Private Medical Insurance Life Assurance Employee Assistance Programme Career Progression Opportunities Stable, long-term project roadmap extending through 2028 Structured engineering environment with clear technical ownership