Senior Software Engineer (Full Stack)

Leidos is seeking a Senior Full Stack Software Engineer to contribute to critical national infrastructure for a central government customer. This role involves hands-on development of both backend services in Java and modern front-end applications using React/TypeScript, as well as mentoring junior engineers and ensuring high-quality software delivery.

• Develop high-quality, production-ready software across backend and front-end
• Implement backend services and REST APIs in Java
• Build modern single-page applications using React/TypeScript
• Contribute to technical decision-making and mentor junior engineers
• Ensure adherence to CI/CD pipelines, code review standards, and testing practices
• Collaborate with cross-functional teams in an Agile environment