Senior Backend Engineer - Python, FastAPI, PostgreSQL

RPMGlobal; Reston (VA); On-site; USD 140,000 - 210,000; Full time

Job summary

Base-2 Solutions seeks a Software Engineer Level 5 to develop and maintain complex software systems for mission-focused environments. Backend development, data engineering, and API work are central, with emphasis on scalable Python/FastAPI solutions and PostgreSQL databases.

The role involves high-speed, data-sensitive integrations and collaboration across teams to deliver robust software components and real-time capabilities.

Qualifications

• Active TS/SCI with CI Polygraph.
• Experience as a backend developer.
• Experience in data engineering and API development.
• Experience with Python and FastAPI.
• Experience with PostgreSQL databases and SQL indexing.
• Experience with Elasticsearch.
• Experience building high-performance API connections.

Responsibilities

• Develop, maintain, and enhance complex software systems including analytics and large data sets.
• Provide input to software component design including trade-offs and requirements analysis.
• Design, implement, and integrate software applications and tasks.
• Apply appropriate software engineering methodologies to development and production environments.
• Ensure efficient delivery of software capabilities using industry standards.
• Mitigate risks, control costs and schedule variance on large-scale projects.
• Review and test components for adherence to design requirements and document results.

Skills

Backend development

Data engineering

API development

Python

FastAPI

PostgreSQL

Elasticsearch

High-performance integrations

Education

High School Diploma

Associates Degree

Bachelor's Degree

Masters Degree

PhD

Job description

Base-2 Solutions seeks a Software Engineer Level 5 to develop and maintain complex software systems for mission-focused environments. Backend development, data engineering, and API work are central, with emphasis on scalable Python/FastAPI solutions and PostgreSQL databases.

The role involves high-speed, data-sensitive integrations and collaboration across teams to deliver robust software components and real-time capabilities.