Security-Cleared Full Stack Developer (TS/SCI)

BigBear.ai; Washington (District of Columbia); On-site; USD 140,000 - 200,000; Full time

Job summary

BigBear.ai is seeking a seasoned Full Stack Developer to advance mission-focused product development for national security customers. You will contribute production-ready code across backend services and frontend UX, partnering with a cross-functional team in an Agile/DevOps environment.

Responsibilities include end-to-end feature delivery, API development (e.g., FastAPI), cloud-native initiatives on AWS, and persistent data solutions with PostgreSQL/MongoDB.

Qualifications

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

Responsibilities

• Design, develop, and maintain full-stack capabilities across UI, backend microservices, and web services.
• Build and enhance REST-based APIs and service integrations (e.g., FastAPI).
• Automate analytical workflows and scalable data pipelines.
• Contribute to cloud-native solutions on AWS, including deployment, monitoring, and operations.
• Work with PostgreSQL and MongoDB for persistent data solutions.
• Support data flow/orchestration with tools like Apache NiFi.
• Participate in Agile ceremonies, code reviews, and DevOps practices.
• Provide Tier 3 production support for apps and databases.
• Collaborate on release planning, deployment procedures, and documentation (Jira/Confluence).
• Participate in after-hours deployments as needed to meet mission timelines.
• Contribute to team demos and stakeholder presentations.

Skills

Python

REST API development

Agile development

Collaboration in cross-functional team

Cloud computing (AWS)

Education

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

Tools

FastAPI

AWS

Docker

Git (GitHub/GitLab)

PostgreSQL

MongoDB

Jira

Confluence

Kubernetes (EKS)

Apache NiFi

Keycloak

Job description

BigBear.ai is seeking a seasoned Full Stack Developer to advance mission-focused product development for national security customers. You will contribute production-ready code across backend services and frontend UX, partnering with a cross-functional team in an Agile/DevOps environment.

Responsibilities include end-to-end feature delivery, API development (e.g., FastAPI), cloud-native initiatives on AWS, and persistent data solutions with PostgreSQL/MongoDB.