
10,000+ employees
Founded 1969
🏥 Healthcare
💼 Consulting
📦 Logistics
Healthcare • Consulting • Logistics
Leidos is a leading systems integrator in science, technology, and engineering, providing solutions that transform and enable the missions of its customers. The company operates across various markets, including aviation, defense, energy, government, healthcare, intelligence, science, and space. Leidos is involved in AI, digital modernization, cyber operations, and integrated and mission software systems. With a commitment to diversity, equity, inclusion, and sustainability, Leidos also engages in charitable efforts and community enrichment programs. Additionally, it contributes to developing solutions for counter-unmanned aerial systems and electric vehicle infrastructure for military applications.
🔥 16 minutes ago
🇺🇸 United States – Remote
💵 $87.1k - $157.4k / year
⏰ Full Time
🟡 Mid-level
🟠 Senior
💻 Frontend Engineer / Web Developer
🦅 H1B Visa Sponsor
👻 Ghost score 0%
Improve your chances of getting an interview by checking your resume score before you apply.

10,000+ employees
Founded 1969
🏥 Healthcare
💼 Consulting
📦 Logistics
Healthcare • Consulting • Logistics
Leidos is a leading systems integrator in science, technology, and engineering, providing solutions that transform and enable the missions of its customers. The company operates across various markets, including aviation, defense, energy, government, healthcare, intelligence, science, and space. Leidos is involved in AI, digital modernization, cyber operations, and integrated and mission software systems. With a commitment to diversity, equity, inclusion, and sustainability, Leidos also engages in charitable efforts and community enrichment programs. Additionally, it contributes to developing solutions for counter-unmanned aerial systems and electric vehicle infrastructure for military applications.
• Architect and implement responsive frontend applications using Angular (v20+) and TypeScript • Manage state efficiently using Signals, RxJS, or NgRx • Optimize application performance, bundle size, and load times • Build reusable components, custom directives, pipes, and modular feature architectures • Integrate RESTful APIs and WebSocket services into client-side workflows • Write clean, maintainable, and well-tested code using Vitest • Conduct code reviews, enforce coding standards, and mentor junior developers • Collaborate with UX/UI designers, backend engineers, and product managers to translate business requirements into modular frontend code
• US citizenship or US person status (Green Card Holder) • Ability to obtain a Public Trust clearance • Currently located in the United States • 5+ years of professional web development experience with a strong focus on Angular and TypeScript • Deep knowledge of HTML5, CSS3/SASS, JavaScript (ES6+), and RxJS asynchronous patterns • Hands-on experience with state management, lazy loading, and component lifecycle hooks • Proficiency with Git, NPM/Yarn, Angular CLI, and frontend testing suites • Strong understanding of HTTP protocols, CORS, and JSON Web Token (JWT) authentication
Apply Now🔥 35 minutes ago
Senior Frontend Engineer building React and TypeScript product surfaces for vidIQ, a company helping YouTube creators grow. Owning frontend, backend, and AI-powered features end to end.
🔥 7 hours ago
Web Designer/Developer building secure .NET and front-end applications for Koniag’s federal government customers. Integrating APIs, databases, Azure/AWS cloud services, and UI/UX solutions.
🔥 9 hours ago
Full Stack Web Developer building and maintaining secure websites, servers, and custom applications for LLNL’s national-security research mission. Collaborating remotely with designers, clients, and technical teams.
🇺🇸 United States – Remote
💵 $121.8k - $154.5k / year
💰 $2.5M Grant on 2014-07
⏰ Full Time
🟡 Mid-level
🟠 Senior
💻 Frontend Engineer / Web Developer
🔥 12 hours ago
Web Developer building and optimizing high-converting websites for Fleetio’s fleet-management software platform. Improving performance, SEO, accessibility, and conversion through modern front-end development.
🇺🇸 United States – Remote
💰 $21.1M Series B on 2020-11
⏰ Full Time
🟢 Junior
🟡 Mid-level
💻 Frontend Engineer / Web Developer
🚫👨🎓 No degree required
🦅 H1B Visa Sponsor
🔥 18 hours ago
Front-end software developer designing, testing, and deploying healthcare applications for Cleveland Clinic. Supporting agile teams remotely across Ohio, Florida, or Nevada.
🇺🇸 United States – Remote
⏰ Full Time
🟢 Junior
🟡 Mid-level
💻 Frontend Engineer / Web Developer
🚫👨🎓 No degree required
🦅 H1B Visa Sponsor