Senior Backend Engineer: Python, FastAPI & Data Systems

Base-2 Solutions; Washington (District of Columbia); On-site; USD 120,000 - 180,000; Full time

Job summary

Base-2 Solutions seeks a Software Engineer Level 4 to develop, maintain, and enhance complex backend systems for mission-focused environments. You will work on data engineering, API development, and scalable Python/FastAPI services, with PostgreSQL design and high-performance integrations.

The role emphasizes real-time analytics, large data sets, and robust software engineering practices, with a focus on reliability and security in critical operations. On-site in Washington, DC.

Qualifications

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

Responsibilities

• Develop, maintain, and enhance complex and diverse software systems.
• Provide input to software component design and trade-offs.
• Design, implement, and integrate software applications or perform software engineering tasks.
• Utilize software engineering methodologies appropriate to development and production environments.
• Ensure efficient delivery of software engineering capabilities using industry standards.
• Mitigate risks and manage large-scale, integrated software projects.
• Review and test software components for adherence to design requirements and document test results.

Skills

Backend development

Data engineering

API development

Python

FastAPI

Elasticsearch

PostgreSQL

Education

High School Diploma/GED with 13 years of experience

Associates Degree with 11 years of experience

Bachelors' Degree with 9 years of experience

Masters' Degree with 7 years of experience

PhD with 5 years of experience

Tools

PostgreSQL

Job description

Base-2 Solutions seeks a Software Engineer Level 4 to develop, maintain, and enhance complex backend systems for mission-focused environments. You will work on data engineering, API development, and scalable Python/FastAPI services, with PostgreSQL design and high-performance integrations.

The role emphasizes real-time analytics, large data sets, and robust software engineering practices, with a focus on reliability and security in critical operations. On-site in Washington, DC.