Front-End Software Engineer

Booz Allen Hamilton; Chantilly, Northern (VA, KY); On-site; USD 76,000 - 176,000; Full time

Job summary

Booz Allen Hamilton seeks a Front-End Software Engineer in Chantilly, VA to lead and deliver user-centric web applications using React and TypeScript. You will guide a cross-functional team, mentor peers, and ensure accessibility and security compliance across browsers and devices.

You’ll collaborate with UI/UX designers and backend developers to create scalable front-end solutions, with opportunities to adopt new tools, contribute to performance improvements, and participate in code reviews and

Qualifications

• 5+ years of front-end software development experience.
• Experience with React, TypeScript, Next.js, and modern web stacks.
• Experience writing automated tests (Jest, RTL, Cypress, Playwright).
• Ability to optimize performance (code-splitting, lazy loading, Lighthouse).
• Knowledge of WCAG 508 accessibility standards.

Responsibilities

• Guide a development team to learn new tools and techniques and mentor teammates.
• Identify and implement system improvements and design scalable front-end solutions.
• Coordinate UI/UX designers and back-end developers for seamless user experiences.
• Ensure accessibility across browsers, platforms, and devices while meeting security requirements.

Skills

5+ years front-end experience

TypeScript

Automated testing

Performance optimization

Requirements gathering

Cross-functional teamwork

Accessibility WCAG

Git & CI

Security clearance

Education

Bachelor's degree in Computer Science or Computer Engineering

8+ years of software engineering in lieu of a degree

Tools

AWS

Terraform

GitHub Actions

S3/CloudFront

Serverless architectures

Job description

## Front-End Software EngineerApplylocations: Chantilly, VAtime type: Full timeposted on: Posted Todaytime left to apply: End Date: November 8, 2026 (30+ days left to apply)job requisition id: R0245448Front-End Software Engineer**The Opportunity:**The right interface can make a tool easy to use, encourage early adoption, and save time and resources. We’re looking for you, a web developer who will use equal parts skill and vision to create an experience that delivers functionality and efficiency.Bring your passion for creating an amazing user experience to Booz Allen. We need an experienced 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.Join us. The world can’t wait.**You Have:*** 5+ years of experience in software 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 software engineering, or 8+ years of experience in software 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**Clearance:**Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; TS/SCI clearance with polygraph is required.**Compensation**At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen’s benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page.Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $77,600.00 to $176,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen’s total compensation package for employees. This posting will close within 90 days from the Posting Date.