Salary: £55,557 - 80,664 per year Requirements: Experience of Test-Driven Development (TDD) and Behaviour Driven Development (BDD) practices and techniques. Knowledge and experience of APIs, RESTful services and Microservice Architectures. Expert knowledge and extensive experience of developing on cloud-based environments like AWS and Azure. Knowledge and experience of SQL and NoSQL database applications such as Postgres, MySQL and MongoDB. Experience building a robust automated test suite to support a continuous deployment environment. Experience leading multidisciplinary engineering teams and communicating with stakeholders. Knowledge and extensive experience of modern Java technologies, frameworks, standards and design principles within large scale systems. Responsibilities: Design, build and maintain stable, resilient software using Java, microservices and cloud platforms such as AWS or Azure. Develop APIs and create accessible user interfaces. Contribute to automated test suites to ensure high-quality software delivery. Work within multi-functional agile delivery teams alongside researchers, analysts, designers, and testers. Set best practices and build capability among more junior developers and engineers. Use the latest tools and technologies to build applications that cater to millions of users. Technologies: AWS Azure Cloud Support Java MongoDB MySQL NoSQL SQL TDD microservices More: We are DWP, the UKs largest government department, dedicated to helping people into work and making payments that support millions. As a Senior Java Engineer, you will be part of a collaborative community where you can grow your career while working with cutting-edge technology. We offer competitive pay, hybrid working options, a comprehensive benefits package, and a supportive environment recognized for our commitment to diversity and inclusion. Join us in making a meaningful impact in the lives of countless individuals. last updated 8 week of 2026