Full-Stack Software Engineer – Top Secret Clearance

Job overview

The Full-Stack Software Engineer – Top Secret Clearance role is hybrid, with a target of two days in either the Woburn, MA or Arlington, VA office. The stated full-time salary range is $140,000–$190,000. STR develops technology for defense, intelligence, and national security missions. The engineer designs and delivers mission-focused web applications that help users analyze information and make decisions. Work spans responsive interfaces, APIs, backend integration, AI-enabled workflows, and iterative delivery from prototype through deployed capability.

What you'll do

• Build responsive React applications and reusable components
• translate designs and prototypes into production interfaces
• collaborate with designers, engineers, program leads, users, and clients
• design APIs, application state, backend services, GraphQL interfaces, and data flows
• integrate AI-enabled interfaces and workflows
• improve performance, accessibility, and maintainability
• support demonstrations and user feedback
• document technical decisions and assist with user training guides.

What we're looking for

Skills & competencies

full-stack software engineer

top secret clearance

str

arlington va

woburn ma

hybrid

react

javascript

typescript

ai-enabled applications

defense and intelligence

$140k–$190k/year

Work arrangement

• Weekend coverage required

Why this role

Requires U.S. citizenship and a Top Secret SCI-eligible security clearance, a related bachelor’s degree or equivalent experience, and 5+ years building modern web applications. Salary range is $140,000–$190,000.

About the employer

STR is hiring for this role. Industry: Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology). Sector: 54.