Front End Engineer, Senior The Opportunity: At Booz Allen Hamilton, we are innovating through our emerging Product business to deliver cutting-edge AI-driven cybersecurity solutions. We are seeking a Senior Front End Engineer to join our internal Product engineering team. This role is centered on transforming UI/UX designs into high-performance, user-centric interfaces within our React-based application. You will integrate the front end with API Gateway-based micro-services, ensuring seamless data flow and functionality. The application will be hosted via AWS S3 static web hosting, secured with Cognito authentication, to provide a scalable and secure user experience that drives product adoption and market value. What You'll Do: Translate wireframes, prototypes, and design specifications into responsive, intuitive user interfaces using React and associated libraries. Connect the front-end application to API Gateway-based micro-services, handling data fetching, state management, and API interactions for optimal performance. Configure and deploy the application on AWS S3 for static web hosting, implementing Cognito for secure user authentication and authorization. Ensure cross-browser compatibility, accessibility, and performance optimizations, incorporating best practices for modern web development. Work with UI/UX designers, back-end engineers, and product managers to iterate on features, resolve issues, and align with overall product goals. Stay current with front-end trends, contributing to the evolution of our cybersecurity product to enhance usability and generate substantial ARR. Join us. The world can't wait. You Have: 5+ years of experience in front-end engineering, including building complex web applications Experience in React.js, JavaScript/TypeScript, HTML5, CSS3, and state management tools like Redux or Context API Experience connecting front ends to RESTful APIs or micro-services via API Gateway Knowledge of AWS S3 for static hosting and Cognito for authentication Ability to deliver user-focused solutions that contribute to product success Ability to display work samples Bachelor's degree in Computer Science, Human-Computer Interaction, or Artificial Intelligence Nice If You Have: Experience with design tools like Figma, Sketch, or Adobe XD for seamless collaboration Experience with Next.js, Gatsby, or other React-based frameworks for enhanced performance Experience mentoring teams and leading front-end projects in product environments, including in cybersecurity or AI-driven applications a plus Ability to unit test, such as Jest or React Testing Library, and use performance tools such as Lighthouse​ Possession of excellent collaboration skills to excel in agile, cross-functional settings Master’s degree in Computer Science or Artificial Intelligence 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 $112,800.00 to $257,000.00 (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. Identity Statement As part of the application process, you are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud. Work Model Our people-first culture prioritizes the benefits of flexibility and collaboration, whether that happens in person or remotely. If this position is listed as remote or hybrid, you’ll periodically work from a Booz Allen or client site facility. If this position is listed as onsite, you’ll work with colleagues and clients in person, as needed for the specific role. Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.