Senior Backend Engineer - Python, FastAPI & Data Systems

Base-2 Solutions

Reston (VA)

On-site

USD 120,000 - 180,000

Full time

4 days ago
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Job summary

Base-2 Solutions is seeking a Software Engineer Level 5 to develop, maintain, and enhance complex software systems supporting mission-focused environments. This role centers on backend development, data engineering, and API development using Python and FastAPI, with PostgreSQL database design and high-performance integrations.

The position requires active TS/SCI with CI Polygraph and experience building scalable systems for high-speed, data-sensitive environments.

Qualifications

  • Active TS/SCI with CI Polygraph.
  • Backend developer experience.
  • Data engineering and API development experience.
  • Experience with Python and FastAPI.
  • PostgreSQL database design with indexing.
  • Proficiency in Python, FastAPI, PostgreSQL, Elasticsearch.
  • Experience building high-performance API connections in mission-critical systems.

Responsibilities

  • Develop, maintain, and enhance complex software systems supporting analytics and real-time processing.
  • Design and implement software components with system-level requirements.
  • Integrate applications and perform software engineering tasks.
  • Apply methodologies ensuring repeatable, standards-compliant delivery.
  • Mitigate risks, control costs, and manage large-scale projects.
  • Review and test components, documenting results to ensure quality.

Skills

Backend development
Data engineering
API development
Python
FastAPI
PostgreSQL
Elasticsearch

Education

Bachelor's Degree
Master's Degree
PhD
Associates Degree
High School Diploma/ GED

Tools

Python
FastAPI
PostgreSQL
Elasticsearch

Job description

Base-2 Solutions is seeking a Software Engineer Level 5 to develop, maintain, and enhance complex software systems supporting mission-focused environments. This role centers on backend development, data engineering, and API development using Python and FastAPI, with PostgreSQL database design and high-performance integrations.

The position requires active TS/SCI with CI Polygraph and experience building scalable systems for high-speed, data-sensitive environments.

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