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Senior Backend Engineer; TS​/SCI Data & API Systems

Listing for: Base-2 Solutions, LLC.
Full Time position Listed on 2026-11-14
Job specializations:
Salary/Wage Range or Industry Benchmark: 120000 - 180000 USD Yearly USD 120000.00 180000.00 YEAR

Job Description & How to Apply Below

Position: Senior Backend Engineer (TS/SCI) — Data & API Systems

Base-2 Solutions, LLC is seeking a Software Engineer Level 4 to develop backend systems, data pipelines, and APIs using Python and FastAPI. The role centers on scalable PostgreSQL databases and high-performance integrations within mission-critical, data-sensitive environments.

You will contribute to design decisions, implement robust software engineering practices, and work on complex analytics and real-time data processing. A TS/SCI with CI Polygraph is required.

This role, Senior Backend Engineer (TS/SCI) — Data & API Systems at Base-2 Solutions, LLC., could be your next career step.

Join Base-2 Solutions, LLC. and contribute to our ongoing work.

Take a moment to read everything above and see whether this role is right for you.

This posting is for the Senior Backend Engineer (TS/SCI) — Data & API Systems role at Base-2 Solutions, LLC., based in Washington, DC, United States.

Position Requirements

10+ Years work experience
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