Senior Backend Engineer (TS/SCI) – Python, FastAPI, PostgreSQL

Base-2 Solutions, LLC; Norfolk (VA); On-site; USD 140,000 - 190,000; Full time

Job summary

Base-2 Solutions, LLC in Virginia is seeking a Software Engineer Level 5 to develop and maintain backend systems, data pipelines, and APIs using Python and FastAPI within mission-focused environments. The role emphasizes scalable, high‑volume, data-sensitive operations and PostgreSQL management.

Active TS/SCI with CI Polygraph is required. Strong backend, data engineering, and API development experience with PostgreSQL, Elasticsearch, and high-performance integrations is essential for success in

Qualifications

• Active TS/SCI with CI Polygraph.
• Backend development experience.
• Data engineering and API development experience.
• Experience with Python and FastAPI.
• Experience with PostgreSQL databases and indexing.

Responsibilities

• Develop, maintain, and enhance complex and diverse software systems, including processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems, based upon documented requirements.
• Provide input to software component design, including hardware/software trade-offs, reuse, and requirements analysis.
• Design, implement, and integrate software applications or perform software engineering tasks.
• Utilize software engineering and design methodologies appropriate to the development, integration, and production environment.
• Ensure efficient delivery of software engineering capabilities using industry standards and repeatable processes.
• Mitigate risks, control costs and schedule variance, and effectively manage large-scale, integrated software projects.
• Review and test software components for adherence to design requirements and document test results.

Skills

Backend development

Data engineering

API development

Python

FastAPI

PostgreSQL

Elasticsearch

High-performance integrations

Education

High School Diploma/GED

Associate degree

Bachelor's degree

Master's degree

PhD

Tools

PostgreSQL

Elasticsearch

Python

FastAPI

Job description

Base-2 Solutions, LLC in Virginia is seeking a Software Engineer Level 5 to develop and maintain backend systems, data pipelines, and APIs using Python and FastAPI within mission-focused environments. The role emphasizes scalable, high‑volume, data-sensitive operations and PostgreSQL management.

Active TS/SCI with CI Polygraph is required. Strong backend, data engineering, and API development experience with PostgreSQL, Elasticsearch, and high-performance integrations is essential for success in