Senior Backend Engineer (TS/SCI) — Python & FastAPI

Base-2 Solutions, LLC

Reston (VA)

On-site

USD 150,000 - 190,000

Full time

7 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 with a focus on backend development, data engineering, and API creation. The role centers on building scalable systems using Python and FastAPI, and managing PostgreSQL databases for high-speed, data-sensitive environments.

You will contribute to real-time analytics and high-performance integrations, collaborating across teams to ensure robust, secure software delivery.

Qualifications

  • Backend development experience required.
  • Data engineering and API development experience required.
  • Experience building scalable systems with Python and FastAPI.
  • Experience designing PostgreSQL databases with indexing and performance.
  • Elasticsearch proficiency required for search and analytics.
  • Experience building high-performance API connections for mission-critical systems.

Responsibilities

  • Develop, maintain, and enhance complex and diverse software systems, including analytics, large data sets, real-time systems, and MIS, based on requirements.
  • Provide input to software component design including hardware/software trade-offs and reuse of COTS/GOTS.
  • Design, implement, and integrate software applications or perform software engineering tasks.
  • Apply software engineering methodologies suitable for development, integration, and production environments.
  • Ensure efficient delivery of software capabilities using industry standards and repeatable processes.
  • Mitigate risks, control costs and schedule variance on large-scale projects.
  • Review and test components for adherence to design and document results.

Skills

Python
FastAPI
PostgreSQL
Elasticsearch
API Development
Data Engineering
Backend development
Clearance TS/SCI CI Polygraph

Education

High School Diploma/ GED with 18 years of experience
Associates Degree with 16 years of experience
Bachelors’ Degree with 14 years of experience
Masters’ Degree with 12 years of experience
PhD with 10 years of experience

Job description

Base-2 Solutions is seeking a Software Engineer Level 5 to develop, maintain, and enhance complex software systems with a focus on backend development, data engineering, and API creation. The role centers on building scalable systems using Python and FastAPI, and managing PostgreSQL databases for high-speed, data-sensitive environments.

You will contribute to real-time analytics and high-performance integrations, collaborating across teams to ensure robust, secure software delivery.

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