Java Software Engineer
Location: Farnborough, with flexibility to work from home dependent on business demands.
Salary: £47,600 – £61,000.
Responsibilities
* Develop, debug, test, document, and deploy software enhancements aligned with the Software Development Strategy.
* Design and implement modern single‑page applications using React and TypeScript.
* Consume and integrate with REST APIs, maintaining clean separation from backend and legacy systems.
* Support delivery commitments across projects and releases.
* Contribute to the continuous validation and maintenance of the build and deployment pipeline, identifying issues, supporting fixes, and working with the wider team to ensure reliable build, test, and deployment processes.
* Investigate, identify, and mitigate software and system issues.
* Collaborate closely with backend and test engineers to ensure end‑to‑end quality.
* Work with senior engineers to design UI solutions based on user needs and system constraints.
* Produce clear technical documentation and maintain readable, well‑structured code.
* Participate fully in the Agile software development lifecycle.
* Use tooling such as Bitbucket, Jira, Jenkins, and Confluence to manage code, work items, and builds.
* Write and maintain unit and integration tests as part of normal delivery.
* Contribute to and support UI and API test automation efforts.
* Communicate progress, risks, and technical decisions clearly to stakeholders.
* Apply engineering best practices and standard operating procedures.
* Influence technical decisions through clear, evidence‑based recommendations.
Qualifications
* Strong experience building SPAs with React and TypeScript.
* Experience integrating front‑end applications with REST APIs.
* Familiarity with Agile software development processes and working within iterative delivery models.
* Familiarity with the Atlassian tool suite (e.g. Jira, Bitbucket, Bamboo), or equivalent tooling, with a solid understanding of CI/CD concepts, workflows, and practices.
* Ability to perform complex engineering tasks with minimal supervision.
* Experience producing technical documentation.
* Proven experience writing unit and integration tests.
Desirable Skills And Experience
* Java experience (Java 17+/21), particularly in service or API development.
* Experience with other SPA frameworks.
* Familiarity with modern integration patterns (e.g. Saga, adapters).
* C/C++ experience.
* Perl, Python, and/or bash scripting experience.
Clearance Requirements
Successful candidates will be required to be willing and able to obtain UK Security Clearances – this requires a minimum of 5 years residency in the UK.
Benefits
* Contributory Pension Scheme
* Private Medical Insurance
* 33 days Annual Leave (including public and privilege holidays)
* Access to Flexible benefits (including life assurance, health schemes, gym memberships, annual buy and sell holidays and a cycle to work scheme)
* Flexi‑Time Working
Commitment to Diversity
We welcome applications from every part of the community and are committed to a truly diverse and inclusive culture. We foster a sense of belonging, welcoming all perspectives and contributions, and providing equal access to opportunities and resources for everyone. If you have a disability or need any reasonable adjustments during the application and selection stages please let us know, and we will respond in a way that best fits your needs.
Commitment to Non-Discrimination
All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.
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