Developer

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., * 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.

• 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, Pay and benefits are fundamental to any career decision. That’s why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits .

Leidos UK & EUROPE (http://www.leidos.com/company/global/uk-europe) - we work to make the worldsafer,healthier, andmore efficient through technology, engineering andscience.

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 transportation.

What Makes Us Different:

Purpose: you can use your passion and abilities at Leidos to keep the people you care about safe. We are at the forefront of machine learning, AI, cyber security and solutions. Using your skills in the technology frontline by helping to build a safer world. You can inspire change.

Collaboration: having flexibility to do your job is one of our core benefits, enabling you to become part of our extraordinary team. We have been empowering our people to work flexibly for years. Whether you work from home, the office or on customer sites, we will give you the digital tools and the flexibility to work smarter and align your needs and ours.

People: Leidos empowers people from every background to be themselves and gives you the tools to learn new skills by enabling growth whilst developing . We believe that extraordinary people need opportunities to grow, to be inspired and to inspire others. At Leidos, we invest in technical academies, career rotations and a career development plans that enhance your future.

If you’re looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We’re not hiring followers. We’re recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We’re already at step 30 - and moving faster than anyone else dares., Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com .