> Markdown version of [/jobs/ext/4701921-front-end-software-engineer](https://www.wearedevelopers.com/jobs/ext/4701921-front-end-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Front-End Software Engineer - **Company:** Booz Allen Hamilton Inc. - **Location:** Chantilly, VA, United States - **Experience:** Expert - **Salary:** $77,600 - $176,000 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Amazon Cloudfront, Amazon S3, Automation of Tests, Cascading Style Sheets (CSS), Cloud Computing, Cloud Engineering, Code Review, Computer Engineering, Continuous Integration, Web Development, Github, Design of User Interfaces, Human-Computer Interaction, Python (Programming Language), Node.Js, Next.js, TypeScript, User-Centered Design, Web Content Accessibility Guidelines, Web Applications, Tailwind, ReactJS, Cypress (Programming Language), Backend, Syntactically Awesome Style Sheets (SASS), Gitlab-ci, Git Flow, Information Technology, Playwright, Front End Software Development, React Testing Library, Api Gateway, Terraform, Serverless Computing - **Published:** November 13, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9311933/front-end-software-engineer ## About the Role Bring your passion for creating an amazing user experience to Booz Allen. We need an experience d front-end developer who will use their passion to guide a development team to learn new tools and techniques, identify and implement system improvements, and mentor teammates. This is an opportunity to resolve problems in mission-critical tools by collaborating with a development team to build web applications and tools with a user-centric design. On our team, you'll coordinate User Interface ( UI ) and User Experience ( UX ) designers and back-end developers to create a seamless user experience using React. Your team will ensure accessibility for all users by developing a front-end that functions across browsers, platforms, and devices while meeting accessibility and security requirements. With mentoring, positive code reviews, and opportunities to learn new tools and skills, we focus on growing as a team to make the best solutions for our customers., * 5+ years of experience in sof tware development with front-end programming languages and web development stacks such as Python, React, Node.js, Next.js, or CSS * Experience with TypeScript for scalable and maintainable front-end development * Experience writing automated front-end unit, component, or E2E tests using tools such as Jest, React Testing Library, Cypress, or Playwright * Experience implementing performance optimization techniques such as code-splitting, lazy loading, or Lighthouse-based improvements * Experience with user requirement gathering to inform UI designs * Experience creating solutions to complex problems within a collaborative, cross-functional team * Ability to apply best practices and WCAG 508 compliance beyond basic requirements * Ability to work in Git-based workflows, including PR reviews, branching strategies, and CI checks * TS/SCI clearance with a polygraph * Bachelor's degree in Computer Science or Computer Engineering and 5+ years of experience in sof tware engineering, or 8+ years of experience in sof tware engineering in lieu of a degree Nice If You Have: * Experience with code reviews, system design, and continuous improvement initiatives * Experience with AWS cloud technologies * Experience with infrastructure as code languages such as Terraform * Experience collaborating closely with designers on usability improvements * Experience delivering front-end applications through cloud-native architectures such as hosting SPAs on S3 or CloudFront and serverless integration with Lambda API Gateway * Experience with modern CSS approaches, including Tailwind CSS, Styled Components, Emotion, or Sass * Experience with CI / CD tools such as GitHub Actions or GitLab CI for automating front-end build and test pipelines * Knowledge of API Integration * Knowledge of UX heuristics * Ability to work with automated testing tools to perform testing and maintenance