Developer
Leidos
- Location
- Remote, United Kingdom
- Work model
- Remote
- Level
- Mid
- H-1B history
- 26 approvals (FY2023)
- Posted
- Sep 4, 2026
Skills
About this role
Developer Are you ready for your next career challenge?.. Role overview: Design, build, test and maintain software components and integrations that support ESCS capability delivery. The Developer works within a multidisciplinary agile team and follows approved architecture, engineering, security and quality standards. The role you will play: Turn agreed stories and designs into working, supportable software. Collaborate with colleagues across analysis, architecture, testing, data and infrastructure. Contribute to a healthy engineering culture through review, documentation and continuous improvement.
Primary responsibilities
Develop and maintain applications, APIs, integrations and supporting components. Write clean, secure and testable code using agreed patterns and standards. Create and maintain unit tests and contribute to integration test automation. Participate in code reviews, design discussions, estimation and backlog refinement. Use Git-based workflows and CI/CD pipelines to build and deploy changes. Investigate defects and support root-cause analysis. Maintain technical documentation and contribute to operational readiness. Continuously improve knowledge of the platform, domain and engineering toolchain. Required skills and capabilities: Software development in one or more relevant languages API development and integration fundamentals SQL and data access fundamentals Secure coding practices Unit testing and debugging Git and collaborative code review CI/CD awareness Agile delivery and user story implementation Code quality tooling and documentation Problem solving and clear communication Required experience: Practical experience developing and testing software in a team environment. Experience using source control and structured development practices. Experience delivering against defined requirements or user stories.
Desired experience
Azure or AWS services. Enterprise integrations or SaaS platforms. Infrastructure as Code and automated deployment awareness. Containers, messaging or event-driven systems. Clearance requirements: SC required to start SC required for the role Leidos UK! Join our team and discover a culture of collaboration, innovation, diversity, trust, caring management, communication transparency, work-life balance, and overall job satisfaction... What we do for you: At Leidos we are PASSIONATE about customer success, UNITED as a team and INSPIRED to make a difference. We offer meaningful and engaging careers, a collaborative culture, and support for your career goals, all while nurturing a healthy work-life balance. We provide an employment package that attracts, develops and retains only the best in talent. Our reward scheme includes: • 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) • Flexible Working Scheme 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.
Who We Are
Leidos UK & EUROPE – we work to make the world safer, healthier, and more efficient through technology, engineering and science. Leidos is a growing company delivering innovative technology and solutions focused on safeguarding critical capabilities and transformation in frontline services, our work in the United Kingdom includes addressing some of the most complex problems in defence, healthcare, government, safety and security, and