Senior Backend Engineer - Python, FastAPI & Data Engineering

RPMGlobal; Washington (District of Columbia); Hybrid; USD 120,000 - 170,000; Full time

Job summary

Base-2 Solutions is seeking a Software Engineer Level 4 to develop, maintain, and enhance backend systems for mission-focused environments. The role emphasizes Python, FastAPI, PostgreSQL, and scalable data-intensive integrations.

You will contribute to database design, API development, and high-performance data workflows while adhering to security and reliability requirements. Active TS/SCI with CI Polygraph is required, with a focus on robust, scalable software solutions.

Qualifications

• Active TS/SCI with CI Polygraph is required.

Responsibilities

• Develop, maintain, and enhance complex software systems including processing-intensive analytics and real-time components.
• Provide input to software component design including hardware/software trade-offs and system-level requirements.
• Design, implement, and integrate software applications or perform software engineering tasks.
• Apply software engineering methodologies appropriate to the development, integration, and production environment.
• 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 software components for adherence to design requirements and document test results.

Skills

Backend development

Data engineering

API development

Python

FastAPI

PostgreSQL

Elasticsearch

Education

High School Diploma/GED with 13 years experience

Associates Degree with 11 years experience

Bachelor's Degree with 9 years experience

Masters' Degree with 7 years experience

PhD with 5 years experience

Tools

PostgreSQL tooling

Job description

Base-2 Solutions is seeking a Software Engineer Level 4 to develop, maintain, and enhance backend systems for mission-focused environments. The role emphasizes Python, FastAPI, PostgreSQL, and scalable data-intensive integrations.

You will contribute to database design, API development, and high-performance data workflows while adhering to security and reliability requirements. Active TS/SCI with CI Polygraph is required, with a focus on robust, scalable software solutions.