Java Developer

Additional Resources is supporting a specialist cyber technology and software assurance company with its search for an experienced Java Developer. The organisation works on programmes that support UK Defence and Critical National Infrastructure, developing technology for complex and security-sensitive environments. This opportunity offers the chance to contribute to important national security work while collaborating with skilled technical professionals.

Additional Resources is supporting a specialist cyber technology and software assurance company with its search for an experienced Java Developer. The organisation works on programmes that support UK Defence and Critical National Infrastructure, developing technology for complex and security-sensitive environments. This opportunity offers the chance to contribute to important national security work while collaborating with skilled technical professionals. The successful candidate will work in a restricted environment, where security, quality and reliability are essential.

Applicants must hold active Enhanced Developed Vetting (eDV) security clearance to be considered for this position.

This is a 12-month contract opportunity offering a rate of £700 per day. As a Java Developer, you will build, improve and maintain secure Java applications, backend services and system integrations. You will contribute to the design and delivery of scalable software, including RESTful APIs and services within a microservices architecture. Working as part of an Agile development team, you will collaborate with engineers, architects and relevant stakeholders to understand technical requirements and deliver effective solutions.

You will help ensure that applications meet operational needs while adhering to the security and quality standards expected in a restricted environment.

To be considered, you must have active Enhanced Developed Vetting (eDV) security clearance. This is an essential requirement for the role. You will also bring strong experience developing software with Java and a solid understanding of backend services, RESTful APIs and application integration. Applicants should have experience working with microservices and be comfortable contributing within an Agile development environment. Previous work in secure, government or national security settings is required, along with the ability to communicate effectively and work collaboratively with technical colleagues and stakeholders.

Experience with Spring or Spring Boot, Docker or Kubernetes, CI/CD processes, or cloud platforms such as AWS or Azure would be advantageous. These skills are desirable rather than essential, and candidates with a strong core Java background and the required clearance are encouraged to apply. Relevant backgrounds may include Java Developer, Java Engineer, Java Software Developer, Java Software Engineer, Software Engineer, Software Developer, Java Backend Developer, Backend Developer or Backend Java Developer.

In this position, you will develop and enhance Java-based backend services and contribute to the delivery of secure, scalable applications. You will design, build and maintain RESTful APIs, support integrations between systems, and work with microservices as part of broader software solutions. You will collaborate with engineers, architects and relevant stakeholders to clarify requirements, discuss technical approaches and deliver agreed outcomes.

You will participate in Agile planning and development activities, contribute to the quality and maintainability of the codebase, and support the creation of dependable software for security-sensitive programmes. You will also apply sound development practices throughout the software lifecycle, helping ensure that solutions are robust, appropriately integrated and suitable for use in a restricted environment. Your work will contribute to technology supporting UK national security operations.

The role offers a 12-month contract and a rate of £700 per day. You will have the opportunity to apply your Java expertise to meaningful work supporting UK Defence and Critical National Infrastructure programmes. Additional benefits may be discussed during the recruitment process.

Additional Resources is committed to fair and transparent recruitment. Applications will be considered on the basis of relevant skills, experience and the essential security clearance…