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Principal Backend Engineer; TS/SCI FastAPI & PostgreSQL
United States | Oct. 1, 2026
Company: Base-2 Solutions
Country: United States
Salary: $140,000 - $210,000
Type: Onsite
Employment: Full-time
Description: Position: Principal Backend Engineer (TS/SCI) | FastAPI & PostgreSQL Base-2 Solutions is seeking a Principal Software Engineer (Level 5) to develop, maintain, and enhance backend systems supporting mission-focused environments. The role emphasizes Python, FastAPI, API development, and PostgreSQL data management, with a focus on scalable, high-performance integrations. This on-site position in Annapolis Junction, MD requires TS/SCI with CI Polygraph. The candidate will work on complex analytics, real-time processing, and high-volume data-sensitive systems across The following role is for a Principal Backend Engineer (TS/SCI) | FastAPI & PostgreSQL with Base-2 Solutions. Take a moment to read everything above and see whether this role is right for you. This posting is for the Principal Backend Engineer (TS/SCI) | FastAPI & PostgreSQL role at Base-2 Solutions, based in MD, United States. We are looking to fill the Principal Backend Engineer (TS/SCI) | FastAPI & PostgreSQL position at Base-2 Solutions in MD, United States.
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