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

HII; United States; Remote; USD 150,000 - 165,000; Full time

Job summary

HII's Mission Technologies Division seeks a Senior Front-End Full-Stack Developer / Platform Engineer (React & TypeScript) to craft secure, high-performance web applications for DSCA. You will build responsive UIs, connect to enterprise APIs, and enable AI-enabled capabilities across platforms.

You will collaborate with product, design, backend, and platform teams, applying secure coding practices and accessibility standards throughout the development lifecycle.

Qualifications

• Experience building production web apps with React, TypeScript, HTML and CSS.
• Ability to design reusable components, responsive interfaces and accessible UIs.
• Experience integrating front-end apps with RESTful APIs and enterprise authentication.
• Knowledge of client-side architecture, state management, error handling, and testing best practices.
• Proficiency with Git, code reviews and Agile software delivery.
• Familiarity with secure software development and DevSecOps practices.

Responsibilities

• Develop responsive web apps using React, TypeScript, HTML and CSS.
• Build reusable UI components, dashboards, forms, workflows, and data visualizations.
• Develop AI-enabled UX, including chat interfaces and streaming responses.
• Integrate front-end apps with RESTful APIs and support async, streaming and real-time interactions.
• Implement input validation, state management, authentication flows, and role-aware UI.
• Apply secure front-end engineering practices and accessibility standards.
• Write tests at component, integration and end-to-end levels.
• Collaborate with product, design, backend, platform, cybersecurity, and AI/ML teams.
• Support deployment in AWS GovCloud with API Gateway, S3 and Bedrock.

Skills

React

TypeScript

HTML/CSS

REST APIs

Accessibility

Git

Agile

Testing

Security-minded

Tools

AWS GovCloud

API Gateway

Amazon S3

Amazon Bedrock

Job description

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. Find the role that's right for you.

To learn more about Mission Technologies, click here for a short video: https://vimeo.com/732533072

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