Mission-Critical Full Stack Engineer (TS/SCI)

BigBear.Ai, Inc.; Washington (District of Columbia); On-site; USD 140,000 - 190,000; Full time

Job summary

BigBear.ai, Inc. is seeking a Full Stack Developer in the United States (DC area) to advance enterprise data and analytics for national security customers.

You will contribute production-ready code across backend services and frontend experiences, working with a cross-functional team in an Agile/DevOps environment. You will design, implement, test, review, and deploy features end-to-end, with a focus on reliability, scalability, and real-world operations.

Qualifications

• 4+ years of software development experience.
• Bachelor’s degree in Computer Science, Engineering, or related field or equivalent practical experience.
• Active TS/SCI clearance (required).
• Hands-on experience with Python, REST API development (e.g., FastAPI), AWS, Docker, Git, PostgreSQL and/or MongoDB, Agile development (Scrum/Kanban), Jira and Confluence.

Responsibilities

• Design, develop, and maintain full-stack capabilities across UI, backend microservices, and web services.
• Build and enhance APIs and service integrations (REST-based, e.g., FastAPI).
• Automate analytical workflows and scalable processing pipelines.
• Contribute to cloud-native solutions on AWS: deployment, monitoring, and ops.
• Develop and integrate persistent data solutions with PostgreSQL and MongoDB.
• Support enterprise data flow/orchestration (e.g., NiFi).
• Participate in Agile ceremonies, code reviews, and continuous improvement.
• Provide Tier 3 support for deployed apps and databases in production.
• Collaborate on release planning, deployment procedures, and documentation (Jira/Confluence).
• Support off-hours deployments as needed.
• Participate in demos and stakeholder presentations.

Skills

Python

REST API development (FastAPI)

AWS

Docker and containerization

Git (GitHub/GitLab)

PostgreSQL

MongoDB

Agile development (Scrum/Kanban)

Jira and Confluence

Education

Bachelor’s degree in Computer Science, Engineering, or related field

Equivalent practical experience

Tools

FastAPI

Jira

Confluence

Job description

BigBear.ai, Inc. is seeking a Full Stack Developer in the United States (DC area) to advance enterprise data and analytics for national security customers.

You will contribute production-ready code across backend services and frontend experiences, working with a cross-functional team in an Agile/DevOps environment. You will design, implement, test, review, and deploy features end-to-end, with a focus on reliability, scalability, and real-world operations.