Principal Software Front End Engineer

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: Other Job Family: Software Engineering Job Qualifications: Skills: Problem Solving, Software Solutions, Solutions Development Certifications: None Experience: 5 + years of related experience US Citizenship Required: Yes Job Description: SOFTWARE DEVELOPER SENIOR What You’ll Do Define and drive the strategic direction for frontend engineering practices, tooling, and skillset across the organization Lead the development of accessible, performant, and user-centered web applications that serve government customers Serve as the technical authority and thought leader for frontend architecture and engineering excellence Design and implement modern frontend architectures, development pipelines, and deployment infrastructure Deliver new features and improvements to our customer-facing applications with a strong focus on user experience and accessibility compliance (Section 508, WCAG) Collaborate with product managers to ideate and balance optimal UI/UX experience with implementation effort, making pragmatic trade-offs that deliver value Build and maintain component libraries, design systems, and shared frontend infrastructure that enable team velocity and consistency Identify opportunities to modernize our frontend stack and take ownership of technical initiatives that improve developer experience and application quality Establish and champion frontend best practices including mobile-first development, testing strategies, performance optimization, accessibility standards, and code quality patterns Mentor and coach engineers at all levels on frontend technologies and establish career development pathways for frontend specialization Influence technical decisions across teams and serve as a strategic advisor on frontend initiatives • Work across the full stack when needed to solve problems end-to-end – backend experience is valuable but frontend is your primary focus What We’re Looking For Evidence of Frontend Engineering Accomplishment Demonstrated track record of leading and delivering multiple production-ready, accessible, Proven experience architecting and implementing modern frontend applications at scale using React and/or Angular Track record of establishing frontend engineering standards, practices, and tooling that improve team productivity and code quality Working experience with frontend build tooling, bundling strategies, and deployment pipelines (Webpack, Vite, pnpm, npm, or similar) Strong understanding of web accessibility standards (WCAG 2.1 AA minimum, Section 508 compliance) with practical implementation experience including accessibility linting (axe-core, eslint-pluginjsx-a11y) and automated accessibility testing in CI/CD pipelines Experience with automated frontend testing strategies including unit testing, component testing, and end-to-end UI testing with tools like Playwright, Cypress, or similar Familiarity with frontend infrastructure, CDN strategies, asset optimization, and progressive enhancement patterns • Experience with design systems, component libraries, and maintaining consistency across multiple applications Technical Excellence Strong proficiency in modern JavaScript/TypeScript and deep understanding of web platform APIs Solid understanding of CSS architecture, mobile-first responsive design, and cross-browser compatibility Working knowledge of automated testing strategies including unit testing (Jest, Vitest), component testing (React Testing Library, Angular Testing Library), and end-to-end UI testing (Playwright) 1 Experience integrating accessibility validation into testing pipelines using axe-core or similar tools Experience with state management patterns and asynchronous data handling in frontend applications Practical knowledge of web performance optimization, Core Web Vitals, and frontend monitoring Understanding of API integration patterns, GraphQL or REST, and working with backend services Familiarity with cloud deployment patterns for frontend applications (CDN, static hosting) Experience establishing and maintaining CI/CD pipelines with automated accessibility checks, linting, and testing Product Mindset & User Experience Product Mindset & User Experience Strong product thinking with ability to balance user needs, business requirements, and technical constraints Willingness to work closely with product managers to ideate on best UI/UX experiences, making pragmatic trade-offs between optimal user experience and implementation effort Working knowledge of modern UI/UX principles, design patterns, and user-centered design methodologies Experience collaborating with product managers and designers throughout the development lifecycle on customer-facing applications Ability to provide technical input during design discussions and advocate for feasible, accessible solutions Data-driven approach to measuring and improving user experienc