Leidos · 22 hours ago
User Interface (UI) Developer
Ashburn, VA
Full-time
Hybrid
Senior Level, Lead/Staff
$131K/yr - $237K/yr
10+ years expLeidos is seeking a User Interface (UI) Developer to support the Passenger Systems Program Directorate within Customs and Border Protection. The role involves leading the design and development of a complex Angular UI application, collaborating with backend teams, and ensuring high performance and user experience.
National DefenseGovernmentElectronicsSoftwareInformation TechnologyComputerInformation ServicesNational Security
No H1B
U.S. Citizen Only
Responsibilities
Lead the design, development, and implementation of a new, complex Angular UI application from inception to deployment
Define and enforce UI development best practices, coding standards, and architectural guidelines
Collaborate closely with Java backend developers to understand API requirements and ensure seamless integration
Drive thorough unit, integration, and end-to-end testing strategies for the UI application
Architect and implement scalable and maintainable front-end solutions, considering future growth and evolving business needs
Mentor junior developers and foster a culture of technical excellence within the UI team
Ensure the UI application is optimized for performance, responsiveness, and user experience
Work within an Agile Scrum methodology and contribute to a SecDevOps culture
Oversee the deployment of the UI application into Kubernetes (K8s) environments
Qualification
Required
BS/BA degree and 12 years of related experience or Master's with 10 years of related experience; OR 4 years of related experience in lieu of degree
Must be able to maintain and obtain a CBP Background Investigation prior to start
Must be a US citizen
7+ years of experience in front-end development, with at least 5 years focused on modern JavaScript frameworks
Experience with Agile Scrum methodology and working in a SecDevOps environment
Experience working with containerized applications (Docker, Kubernetes)
Proven experience leading UI projects and building applications from the ground up
3+ years' experience developing cloud ready applications
4 years of hands-on experience with Angular (version 2+), demonstrating a deep understanding of its core principles, component-based architecture, routing, services, and state management
Experience with front-end build tools and package managers (e.g., Webpack, Babel, NPM, Node.js)
Proficient in HTML5, CSS3, and JavaScript (ES6+), including DOM manipulation and the JavaScript object model
Demonstrated experience working with RESTful APIs and Microservices, including expertise with HTTP request libraries like Axios
Familiarity with the Java backend ecosystem and common patterns for UI/backend integration
Solid understanding of modern authorization mechanisms, such as JSON Web Token (JWT)
Preferred
Hands on working experience with NgRx for complex state management
Hands on experience with more current specifications of EcmaScript (ES6)
Experience with common front-end development tools such as Babel, Webpack, NPM, Node etc
Experience with UI testing frameworks (e.g., Jasmine, Karma, Jest, Cypress)
A strong portfolio or examples of previous Angular applications developed from scratch
Experience with UI/UX design principles and best practices
Demonstrated ability to benchmark and optimize UI application performance
Familiarity with CI/CD pipelines for front-end applications
Familiarity with real-time UI monitoring tools
Active Full CBP BI
Experience with Google Cloud
Company
Leidos
Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
unknown2025-02-20Post Ipo Debt
2013-09-17IPO
Leadership Team
James Carlini
Chief Technology Officer
Theodore Tanner
Chief Technology Officer
Recent News
MarketScreener
2025-12-16
2025-12-16
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