Principal Backend Engineer - TS/SCI, FastAPI & PostgreSQL

United States | Sept. 8, 2026

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Company: Base-2 Solutions

Country: United States

Type: Onsite

Employment: Full-time

Description: Base-2 Solutions is seeking a Principal Software Engineer to develop, maintain, and enhance complex software systems in mission-focused environments. The role emphasizes backend development, data engineering, and API development using Python and FastAPI, with PostgreSQL databases and high-performance integrations across data-sensitive systems. The position requires strong Python and FastAPI proficiency, experience with PostgreSQL and Elasticsearch, and a TS/SCI clearance with CI polygraph. #J-18808-Ljbffr

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