DSCA Senior Front-End Full-Stack/Platform Engineer (Software Development Analyst) - 30710

HII's Mission Technologies division • Arlington, VA

1d • $150,000 - $165,000 • Remote

About The Position

HII’s Warfare Systems Business Group within Mission Technologies is seeking a Senior Front-End Full-Stack Developer / Platform Engineer to support the Defense Security Cooperation Agency (DSCA). The role develops secure, intuitive, high-performance web applications that enable mission and business objectives. The engineer will create modern user experiences integrated with enterprise APIs, data services, and AI-enabled capabilities, collaborating with product, design, and platform teams and applying sound engineering practices across the software development lifecycle. The position is fully remote and requires alignment with Eastern Time Zone core business hours. Candidates must possess and maintain an active Secret clearance at the time of consideration.

Requirements

• 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, SBOM processes, and software supply-chain integrity.
• Experience using component libraries or design systems, such as Material UI (MUI).
• Must possess and maintain an active Secret clearance at the time of consideration.
• Must be able to work assigned East Coast core business hours to support program and customer requirements.
• Relevant experience requirements vary by education and software development level: Software Development 3 requires 5 years with a related bachelor’s degree, 3 years with a related master’s degree, 0 years with a related PhD, or 9 years with a high school diploma or equivalent. Software Development 4 requires 9 years with a related bachelor’s degree, 7 years with a related master’s degree, 4 years with a related PhD, or 13 years with a high school diploma or equivalent.

Nice To Haves

• 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.

Responsibilities

• Develop responsive, accessible, and maintainable web applications using React, TypeScript, HTML, and CSS.
• Build reusable UI 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 client-side input validation, error handling, application state management, authentication flows, and role-aware UI behavior.
• Apply secure front-end engineering practices and accessibility standards throughout design, development, testing, and release.
• Write and maintain component, integration, and end-to-end tests, and 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 application deployments in AWS GovCloud environments, including integration with approved services such as API Gateway, Amazon S3, and Amazon Bedrock.

Benefits

• 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.
• Early childhood and post-secondary education scholarships.
• Bonus or other non-recurrent compensation may occasionally be offered for qualified positions, if applicable.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed