Leidos is seeking a motivated Junior Software Engineer to join their team in developing and maintaining modern web applications using React.js. This junior position is ideal for recent graduates or early-career professionals passionate about front-end development and eager to grow in a dynamic, mission-focused environment.
Develop and maintain user-facing features using React.js, including building reusable components and managing application state (e.g., useState, useEffect)
Translate UI/UX designs and wireframes into high-quality, responsive code using HTML5, CSS3, and JavaScript (ES6+)
Collaborate with backend developers to integrate RESTful APIs and ensure seamless data flow
Utilize AI coding tools (e.g., GitHub Copilot, ChatGPT, Claude) for code suggestions, generation, debugging, refactoring, and optimization to improve development efficiency
Participate in code reviews, unit testing, and debugging to ensure performance, compatibility across browsers/devices, and adherence to best practices
Implement clean, modular, and maintainable code following team standards
Stay current with emerging front-end technologies and AI-assisted development trends
Contribute in an Agile environment, including daily stand-ups, sprint planning, and team collaboration
Qualification
Required
Bachelor's degree with 1+ years of experience. Additional experience may be considered in lieu of degree
US Citizen with an active TS/SCI with Poly security clearance
Basic proficiency in JavaScript (ES6+), HTML5, and CSS3
Fundamental knowledge of React.js (components, hooks, state management)
Familiarity with version control tools such as Git
Experience or strong interest in AI tools for coding assistance (e.g., code generation, explanation, or optimization)
Understanding of responsive design principles and basic web performance optimization
Strong problem-solving skills, eagerness to learn, and ability to work in a team environment
Excellent communication skills
CompTIA Security+ certification
Preferred
Experience with modern build tools (e.g., npm/Yarn, Vite)
Basic knowledge of TypeScript or Redux
Exposure to RESTful APIs
Personal projects, bootcamp completion, or open-source contributions (GitHub portfolio encouraged)
Benefits
Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health.
