Full Stack Software Engineer (All Levels) – U.S. Citizen / TS/SCI Clearance Required

Filled
March 9, 2026
Apply Now

Job Description

Location: Washington, D.C. Area (In-Office, SCIF environment)
Employment Type: Full-time
Salary Range: $100,000 – $250,000 (Level-dependent)
Hiring Firm: xTask Force Talent

Overview

xTask Force Talent is actively seeking Full Stack Software Engineers at Junior, Senior, and Expert levels for multiple clients across the Washington, D.C. area. Candidates must have an active TS/SCI FSP security clearance. Multiple openings exist, and candidates will be matched to positions based on skills, experience, and preferences.

This is an excellent opportunity to work on cutting-edge projects across government contractors, startups, and emerging technology firms, with exposure to AI, cybersecurity, quantum computing, and enterprise systems.

Key Qualifications

  • U.S. Citizenship with active TS/SCI FSP clearance (no sponsorship/upgrade possible).
  • Experience in any major programming language: Python, Java, C/C#, JavaScript, etc.
  • Experience with databases: SQL, Elasticsearch, or equivalent.
  • Familiarity with cloud platforms: AWS, Azure, Google Cloud, or equivalent.
  • All levels of experience considered: Junior, Senior, Expert.

Responsibilities

  • Develop and maintain full stack applications across client systems.
  • Collaborate with engineering teams in secure environments (SCIF).
  • Work across the software lifecycle: requirements, development, testing, deployment, and maintenance.
  • Apply best practices for secure coding, system integration, and database management.
  • Contribute to projects at multiple clients in diverse technology domains.

Process & Benefits

  • Interview Process: Initial phone screen → technical interviews → contingent offer (typically within 1–2 weeks).
  • Multiple Opportunities: Candidates are considered for dozens of positions across clients.
  • Referral Bonus: Submit a qualified referral for $2,000+ (terms apply).
  • Targeted Roles: Startups, government contractors, and innovative tech companies working in AI, cybersecurity, and more.

About xTask Force Talent

xTask Force Talent specializes in recruiting for science, engineering, and security careers. Clients range from early-stage startups to established government contractors. Hundreds of roles are available, and all applicants are considered for current and future opportunities. The firm prioritizes matching candidates to roles aligned with their expertise and career goals.

Ideal Candidate:
A U.S. citizen with active TS/SCI clearance who is comfortable working in high-security environments, has full stack development experience, and is adaptable to different technology stacks, databases, and cloud platforms.