Software Developer - JAVA

IDEMIA; Winnersh; On-site; GBP 45,000 - 65,000; Full time

Benefits offered by this job

25 days annual leave + bank holidays

Group Personal Pension with employer

Private Medical Insurance

Life Assurance

Employee Assistance Programme

Stable, long-term project roadmap

Job summary

IDEMIA in Winnersh, UK is seeking a Java Software Developer with 1.5–4 years of commercial Java experience to design, develop and maintain secure back-end services using Java and Spring Boot.

You will build RESTful APIs, work with PostgreSQL, collaborate with a small engineering team, and contribute to technical design discussions while following security standards and best practices.

Qualifications

• 2–3 years professional experience in Java development and strong OO skills.
• Experience with Spring Boot and REST APIs.
• Experience with PostgreSQL or relational databases; familiar with Git.

Responsibilities

• 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, production-ready code that meets functional and non-functional requirements.
• Collaborate with senior engineers on requirements analysis, estimations and design discussions.
• Document technical solutions and support junior developers where needed.

Skills

Core Java

Spring Boot

REST APIs

Git

Live coding

Tools

PostgreSQL

Job description

Purpose

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.

Key Missions

• 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 & Other Information

• 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
• Stable, long-term project roadmap extending through 2028
• Structured engineering environment with clear technical ownership

We value the diversity of our teams and welcome people from all walks of life, regardless of how they look, where they come from, who they love, or what they think.