Front-End Software Engineer

Booz Allen Hamilton•Chantilly, VA

18h•$77,600 - $176,000•Onsite

About The Position

Booz Allen is seeking an experienced front-end developer to create functional, efficient, user-centered web applications and tools for mission-critical needs. The role guides a development team in adopting tools and techniques, improving systems, and mentoring teammates. The engineer coordinates with UI/UX designers and back-end developers to build seamless experiences using React, ensuring applications work across browsers, platforms, and devices while meeting accessibility and security requirements. The team emphasizes mentorship, constructive code reviews, and continued learning.

Requirements

At least 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 end-to-end 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 gathering user requirements to inform UI designs.
Experience creating solutions to complex problems within a collaborative, cross-functional team.
Ability to apply best practices and WCAG Section 508 compliance beyond basic requirements.
Ability to work in Git-based workflows, including pull-request reviews, branching strategies, and CI checks.
TS/SCI clearance with a polygraph.
Bachelor's degree in Computer Science or Computer Engineering and at least 5 years of software engineering experience, or at least 8 years of software engineering experience in lieu of a degree.

Nice To Haves

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.

Responsibilities

Build user-centered web applications and tools with a development team to address mission-critical needs.
Guide a development team in learning new tools and techniques, identifying and implementing system improvements, and improving solutions.
Coordinate UI/UX designers and back-end developers to deliver a seamless user experience using React.
Develop front ends that work across browsers, platforms, and devices and meet accessibility and security requirements.
Gather user requirements to inform UI designs.
Create solutions to complex problems within a collaborative, cross-functional team.
Use Git-based workflows, including pull-request reviews, branching strategies, and CI checks.