Front End Application Developer

Leidos seeks a Front End Application Developer to build secure, modern web applications supporting national security, health, and engineering missions. You will design and implement responsive, accessible UIs using modern JavaScript frameworks, integrating with RESTful APIs and ensuring performance, reliability, and security. Working in agile, cross-functional teams, you will collaborate closely with UX, backend, and DevOps engineers, contribute to code reviews and automated testing, and help c…