Senior Java Developer

We are seeking Senior Java Developers to join a digital engineering team supporting DWP Universal Credit.

This is a hands-on senior role requiring strong experience with Java, Spring Boot, AWS, Kafka and MongoDB. You will develop scalable and resilient services, provide technical leadership, and mentor junior developers.

Key Responsibilities

• Design, develop, test and maintain high-quality Java applications and services.
• Take ownership of complex technical solutions and system integrations.
• Provide technical leadership, coaching and mentoring to other developers.
• Contribute to architecture, technical strategy and engineering best practice.
• Review code and system designs to ensure quality and appropriate standards.
• Support application and infrastructure issues, including 3rd-line support where required.
• Contribute to integration, automated testing, CI/CD and production support.
• Promote security, resilience, accessibility and operational stability.
• Collaborate with architects, product teams and wider engineering communities.
• Identify risks and drive continuous improvement.

Essential Skills

• Extensive commercial Java experience.
• Strong Spring Boot experience.
• Practical AWS experience.
• Apache Kafka and event-driven architecture.
• MongoDB / NoSQL databases.
• REST APIs and microservices.
• Automated testing, TDD/BDD and CI/CD.
• Production troubleshooting and monitoring.
• Strong Agile experience.

Senior-Level Requirements

Candidates must be able to hit the ground running, take ownership of complex technical challenges and contribute to architectural decisions.

You should have experience:

• Leading technical discussions and code reviews.
• Mentoring and supporting junior developers.
• Designing scalable, resilient services.
• Working across multidisciplinary Agile teams.
• Balancing technical quality, security, performance and user needs.
• Sharing knowledge and promoting engineering best practice.

User & Service Focus

You should understand user needs and be able to collaborate with product and user research teams to ensure solutions are accessible, effective and aligned with customer requirements.