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

Base-2 Solutions; Washington (District of Columbia); On-site; USD 120,000 - 170,000; Full time

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.