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Requisition Number: 30710 Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $150,000.00 - $165,000.00 Security Clearance: Secret Level of Experience: Senior This opportunity resides with Warfare Systems (WS), a business group within HII’s Mission Technologies division. Warfare Systems comprises cyber and mission IT; electronic warfare; and C5ISR systems. HII works within our nation’s intelligence and cyber operations communities to defend our interests in cyberspace and anticipate emerging threats. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners. Meet HII’s Mission Technologies Division Our team of more than 7,000 professionals worldwide delivers all-domain expertise and advanced technologies in service of mission partners across the globe. Mission Technologies is leading the next evolution of national defense – the data evolution - by accelerating a breadth of national security solutions for government and commercial customers. Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class. Find the role that’s right for you. Apply today. We look forward to meeting you. To learn more about Mission Technologies, click here for a short video: Job Description Join the growing Warfare Systems Business Group at HII–Mission Technologies! We are seeking an experienced Senior Front-End Full‑Stack Developer / Platform Engineer (React & TypeScript) to support the Defense Security Cooperation Agency (DSCA). In this role, you will develop secure, intuitive, and high‑performance web applications that enable mission and business objectives. The ideal candidate will craft modern user experiences that integrate with enterprise APIs, data services, and AI‑enabled capabilities; work collaboratively with product, design, and platform teams; and apply sound engineering practices to deliver reliable, scalable software throughout the development lifecycle. Essential Job Responsibilities Develop responsive, accessible, and maintainable web applications using React, TypeScript, HTML, and CSS. Build reusable user interface components, dashboards, forms, workflows, and data visualizations using established design systems and component libraries. Develop conversational and AI-enabled user experiences, including chat interfaces, streamed responses, user feedback mechanisms, and clear error or fallback states. Integrate front-end applications with RESTful APIs and support asynchronous, streaming, and real-time interactions as required. Implement robust client-side input validation, error handling, application state management, authentication flows, and role-aware user interface behavior. Apply secure front-end engineering practices and accessibility standards throughout design, development, testing, and release activities. Write and maintain component, integration, and end-to-end tests; contribute to a test-driven development culture where appropriate. Collaborate with product, design, backend, platform, cybersecurity, and AI/ML engineering teams to deliver integrated enterprise capabilities. Support deployment of applications within AWS GovCloud environments, including integration with approved AWS services such as API Gateway, Amazon S3, and Amazon Bedrock. Minimum Qualifications Demonstrated experience developing production web applications using React, TypeScript, HTML, and CSS. Experience designing and implementing reusable components, responsive interfaces, and accessible user experiences. Experience integrating front-end applications with RESTful APIs and enterprise authentication and identity services. Working knowledge of client-side application architecture, state management, error handling, and testing practices. Experience with Git-based version control, code review, and Agile software delivery practices. Familiarity with secure software development and DevSecOps practices, including dependency management, secure configuration, secrets handling, software bill of materials (SBOM) processes, and software supply-chain integrity. Experience using component libraries or design systems, such as Material UI (MUI). Clearance: Must possess and maintain an active Secret clearance at the time of consideration Fully Remote position; must align with Eastern Time Zone core business hours Software Development 3 5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; 0 years experience with PhD in related field; or High School Diploma or equivalent and 9 years relevant experience. Software Development 4 9 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD in related field; or High School Diploma or equivalent and 13 years relevant experience. ***Salary level based on background, direct experience and education Preferred Requirements 8+ years of preferred experience Experience developing conversational, AI-enabled, or generative AI user interfaces. Experience consuming streaming APIs, server-sent events, WebSockets, or other real-time communication patterns. Experience integrating applications with AWS services in AWS GovCloud environments. Experience working closely with backend, platform, cybersecurity, and AI/ML engineering teams. Familiarity with containerized application delivery and CI/CD pipelines. Physical Requirements Ability to remain in a stationary position for prolonged periods while working at a computer. Ability to operate a keyboard, mouse, and standard office equipment to perform analytical tasks. Must be able to effectively communicate in virtual meetings, briefings, and secure collaboration environments. Ability to review, analyze, and interpret digital data for extended periods with attention to detail and accuracy. Occasional light lifting of documents or equipment up to 10 lbs, if needed for home-office setup. Must maintain a home work environment that meets company and government security requirements (e.g., controlled space for handling sensitive or FOUO information, if applicable). Must be able to work assigned East Coast core business hours to support program and customer requirements. HII is more than a job - it’s an opportunity to build a new future. We offer competitive benefits such as best-in-class medical, dental and vision plan choices; wellness resources; employee assistance programs; Savings Plan Options (401(k)); financial planning tools, life insurance; employee discounts; paid holidays and paid time off; tuition reimbursement; as well as early childhood and post-secondary education scholarships. Bonus/other non-recurrent compensation is occasionally offered for qualified positions, and if applicable to this role will be addressed by the recruiter at the screening phase of application. Why HII We build the world’s most powerful, survivable naval ships and defense technology solutions that safeguard our seas, sky, land, space and cyber. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals. Recognized as one of America’s top large company employers, we are a values and ethics driven organization that puts people’s safety and well-being first. Regardless of your role or where you serve, at HII, you’ll find a supportive and welcoming environment, competitive benefits, and valuable educational and training programs for continual career growth at every stage of your career. Together we are working to ensure a future where everyone can be free and thrive. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, physical or mental disability, age, or veteran status or any other basis protected by federal, state, or local law. Do You Need Assistance? If you need a reasonable accommodation for any part of the employment process, please send an e-mail to and let us know the nature of your request and your contact information. Reasonable accommodations are considered on a case-by-case basis. Please note that only those inquiries concerning a request for reasonable accommodation will be responded to from this email address. Additionally, you may also call 1-844-849-8463 for assistance. Press #3 for HII Mission Technologies. Originally posted on Himalayas