Senior Backend Engineer: TS/SCI, Python, FastAPI, PostgreSQL

Base-2 Solutions

Washington (District of Columbia)

On-site

USD 120,000 - 170,000

Full time

15 hours ago
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Benefits offered by this job

Health insurance
Dental insurance
Vision insurance
Short-term disability
Long-term disability
Life insurance
401(k) matching
Flexible PTO
Floating holidays
Flexible work schedules

Job summary

Base-2 Solutions is seeking a Software Engineer Level 4 to develop, maintain, and enhance complex software systems focusing on backend development, data engineering, and API delivery. You will work on scalable Python/FastAPI backends, design and manage PostgreSQL databases, and support high-speed, mission-critical data integrations.

The role requires TS/SCI with CI Polygraph and hands-on experience building scalable, data-intensive systems.

Qualifications

  • Active TS/SCI with CI Polygraph.
  • Backend developer experience required.
  • Data engineering and API development experience required.
  • Experience building systems with Python and FastAPI.
  • Experience designing and managing PostgreSQL databases with efficient SQL and indexing.
  • Proficiency in Python.
  • Proficiency in FastAPI.
  • Proficiency in PostgreSQL.
  • Proficiency in Elasticsearch.
  • Experience building high-performance API connections for high-volume, mission-critical systems.

Responsibilities

  • Develop, maintain, and enhance complex software systems including analytics and real-time components.
  • Provide input to component design, including trade-offs and requirements analysis.
  • Design, implement, and integrate software applications.
  • Apply software engineering methods appropriate to the development and production environment.
  • Ensure efficient delivery of software capabilities using standard processes.
  • Mitigate risks, control costs, and manage large-scale software projects.

Skills

Backend development
Data engineering
API development
Python
FastAPI
PostgreSQL
Elasticsearch

Education

High School Diploma/GED with 13 years
Associates Degree with 11 years
Bachelors' Degree with 9 years
Masters' Degree with 7 years
PhD with 5 years

Tools

PostgreSQL (DB)
Elasticsearch

Job description

Base-2 Solutions is seeking a Software Engineer Level 4 to develop, maintain, and enhance complex software systems focusing on backend development, data engineering, and API delivery. You will work on scalable Python/FastAPI backends, design and manage PostgreSQL databases, and support high-speed, mission-critical data integrations.

The role requires TS/SCI with CI Polygraph and hands-on experience building scalable, data-intensive systems.

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