Senior Full Stack Engineer, TS/SCI/Poly

The MITRE Corporation • McLean, VA

1d • Onsite

About The Position

MITRE is seeking a Senior Full Stack Engineer to support high-priority ODNI initiatives requiring secure, scalable, and mission-driven application development. This role requires an active TS//SCI with a Full Scope Polygraph. The selected candidate will serve as a technical subject matter expert responsible for designing, developing, and deploying full stack applications within highly sensitive Intelligence Community environments. This position supports enterprise-level ODNI challenges related to technology modernization, data integration, analytic enablement, and secure collaboration. MITRE is a not-for-profit corporation chartered to work for the public interest, with no commercial conflicts to influence what we do. The R&D centers we operate for the government create lasting impact in fields as diverse as cybersecurity, healthcare, aviation, defense, and enterprise transformation. We're making a difference every day—working for a safer, healthier, and more secure nation and world. Our workplace reflects our values. We offer competitive benefits, exceptional professional development opportunities for career growth, and a culture of innovation that embraces adaptability, collaboration, technical excellence, and people in partnership.

Requirements

• Typically requires a minimum of 5 years of related experience with a Bachelor’s degree; or 3 years and a Master’s degree; or a PhD with relevant experience who can immediately contribute.
• Bachelor’s degree in Computer Science or Software Engineering.
• Active TS/SCI clearance with a Full Scope Polygraph (required at time of hire).
• Per the U.S. Government’s eligibility requirements, you must be a U.S Citizen to be considered for a security clearance.
• Demonstrated experience as a Full Stack Developer or similar engineering role in secure environments.
• Proficiency in front-end and back-end languages such as JavaScript, TypeScript, Python, or Go.
• Proficiency writing SQL queries, data transformations, and designing database schemas.
• Entrepreneurial and innovative spirit and the curiosity to explore and push the boundaries of software development and software solutions
• Ability to work in Agile development environments with strong documentation practices
• This position has an on-site requirement of 5 days a week on-site

Nice To Haves

• Advanced degree in a technical discipline (including but not limited to Software Engineering, Computer Science, Computer Engineering, Mathematics, etc.)
• Experience with geospatial applications/stacks, preferably with open-source or ESRI geospatial development experience.
• Experience with modern JavaScript frameworks such as React, Vue, Angular and HTMx.
• Experience developing web applications with different architectures including server-side rendering (SSR), single page applications (SPAs), and hybrid applications (interactive islands pattern).
• Experience with UI-first rapid prototyping and development approaches.
• Experience with CSS frameworks such as Tailwind or Material Design-based libraries.
• Experience with server-side technologies and database systems such as PostgreSQL.
• Experience working within Linux-based environments, including command line and shell scripting.
• Experience using version control systems (Git) and managing code reviews and releases.
• Experience developing applications within Intelligence Community or ODNI environments.
• Expertise in one or more front-end technologies such as HTML, CSS, JavaScript, or TypeScript.
• Expertise in one or more back-end languages such as Python, Go, or Full Stack TypeScript/JS.
• Experience with AWS-managed services and cloud-native architectures.
• Experience producing high-quality software documentation and design artifacts.
• Familiarity with alternative JavaScript runtimes such as Bun or Deno.
• Experience implementing SecDevOps pipelines in classified environments.

Responsibilities

• Collaborate directly with ODNI sponsors and MITRE technical teams to translate complex mission requirements into scalable application architectures.
• Design, develop, and deploy secure front-end and back-end solutions within classified environments.
• Deliver modern software capabilities, improving architecture, platforms, and developer workflows with strong engineering practices (secure coding, reviews, testing, maintainable design).
• Partner with UX, Architecture, Data, Security, and Operations to define technical strategy and influence roadmaps with a customer-centric mindset.
• Lead or support development of enterprise-grade applications addressing cross-IC integration, data visualization, workflow automation, and analytics.
• Develop and maintain robust APIs, database schemas, and backend services supporting high-performance, secure applications.
• Ensure performance, reliability, and security of deployed systems.
• Implement scalable architectures aligned with DevSecOps and Infrastructure-as-Code principles.
• Present technical solutions clearly to both technical and non-technical stakeholders.
• Mentor junior developers and contribute to department-wide technical standards and tradecraft.

Benefits

• competitive benefits
• exceptional professional development opportunities for career growth
• culture of innovation that embraces adaptability, collaboration, technical excellence, and people in partnership

What This Job Offers

• Job Type: Full-time
• Career Level: Senior