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TS/SCI Full Scope Polygraph - Software Engineer

Colossus Technologies Group
Full Timemid
Chantilly, Virginia, USPosted February 26, 2026

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TypeScriptJavaAngularSpringAWSDockerKubernetesLinuxRESTAgileAPI

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Job Description

Senior Software Developer

DoD / National Security Domain

Location: Chantilly, VA (On-site)

Clearance: Active TS/SCI with Full-Scope Polygraph required

We’re partnered with a DoD-focused consulting firm seeking a Senior Software Developer to build and modernize a secure Identity Access Management application supporting mission-critical systems.

What You’ll Work With

  • Back-end: Java, Spring Boot
  • APIs & Services: RESTful API design and integration
  • Infrastructure & OS: Red Hat Linux, AWS (desired), Docker, Kubernetes (desired)
  • Front-end (nice to have): TypeScript, Angular, modern web app patterns

What You’ll Do

  • Develop and enhance secure back-end services and REST APIs.
  • Maintain and refactor existing applications used in DoD environments.
  • Implement automated testing and participate in code reviews.
  • Collaborate within an Agile team and mentor junior engineers on best practices.

What We’re Looking For

  • 5+ years of software development experience with Java/Spring Boot.
  • Experience in secure, complex environments (DoD, intel, or similar).
  • Bonus: ICAM/identity, AWS, TypeScript/Angular, Docker/Kubernetes.

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