Principal Full-Stack Engineer, TS/SCI w/ Full...

MITRE is seeking a Full-Stack Engineer Principal 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. Responsibilities include:

• 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.

• Strategize and lead the 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.

• Responsible for leading projects work programs for department-wide technical standards and tradecraft.

• The primary responsibilities of this position must be carried out in person in McLean, Virginia or Bethesda, Maryland.

• The successful candidate will establish regular presence at MITRE and ODNI locations and may be required to travel within the National Capital Region.

• Typically requires a minimum of 15 years of related experience with a Bachelor's degree; or 10 years and a Master's degree; or a PhD with 6 years' experience or equivalent combination of related education and work experience. The individual should be able to immediately contribute to this job step

• Bachelor degree in Software Engineering; or Systems 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 Principal Full Stack Developer 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.

Preferred Qualifications:

• Master's and/or PhD in a technical discipline (including but not limited to Software Engineering, Computer Science, Computer Engineering, Systems Engineering or 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.

This requisition requires the candidate to have a minimum of the following clearance(s):

Top Secret/SCI/Polygraph

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