Backend Engineer – TS/SCI CI Poly, FastAPI & PostgreSQL

Base-2 Solutions; Washington (District of Columbia); On-site; USD 130,000 - 170,000; Full time

Benefits offered by this job

Health insurance

Dental and vision premiums paid

401(k) with company match

Paid time off

Job summary

Base-2 Solutions is seeking a Software Engineer Level 4 to develop, maintain, and scale complex software systems for mission-focused environments, focusing on backend, data engineering, and API development with Python, FastAPI, and PostgreSQL.

The role emphasizes high-performance integrations, scalable data processing, and collaboration across teams. Candidates should have TS/SCI with CI poly, strong Python/FastAPI skills, and experience with large data sets.

Qualifications

• Active TS/SCI with CI polygraph clearance.
• Backend development experience.
• Data engineering and API development experience.
• Experience with Python and FastAPI.
• Proficiency in PostgreSQL with indexing.
• Elasticsearch experience.
• High-performance API integrations experience.

Responsibilities

• Develop and enhance complex software systems for analytics and real-time processing.
• Design software components and evaluate hardware/software trade-offs.
• Implement, integrate, and test software applications.
• Apply engineering methodologies in development and production environments.
• Ensure delivery of capabilities using repeatable processes.
• Mitigate risks and manage large-scale software projects.
• Review code and document test results.

Skills

Backend development

Python

FastAPI

PostgreSQL

Data engineering

API development

Elasticsearch

Education

High School Diploma/GED with 13 years of experience

Associates Degree with 11 years of experience

Bachelor's Degree with 9 years of experience

Master's Degree with 7 years of experience

PhD with 5 years of experience

Job description

Base-2 Solutions is seeking a Software Engineer Level 4 to develop, maintain, and scale complex software systems for mission-focused environments, focusing on backend, data engineering, and API development with Python, FastAPI, and PostgreSQL.

The role emphasizes high-performance integrations, scalable data processing, and collaboration across teams. Candidates should have TS/SCI with CI poly, strong Python/FastAPI skills, and experience with large data sets.