Full Stack Software Developer (Python/FastAPI/ReactJS)

Overview

Inabia is seeking a Full Stack Software Developer with deep expertise in Python/FastAPI and ReactJS to design, build, and maintain mission-critical applications supporting a federal program. This is a stable, long-term 2-year hybrid contract role based in Washington, DC. An active U.S. security clearance is required at the time of application — no interim or prospective clearance candidates will be considered.

Responsibilities

• Design, develop, and maintain full-stack applications using Python/FastAPI on the backend and ReactJS on the frontend
• Build and maintain RESTful APIs with proper validation, error handling, versioning, and documentation
• Manage PostgreSQL data models, schema design, and database migrations
• Containerize applications using Docker and support deployment to AWS
• Work within AWS infrastructure (EC2, S3, RDS, IAM, CloudWatch, VPC) to deploy, monitor, and troubleshoot cloud-hosted applications
• Participate in Agile/Scrum ceremonies including sprint planning, daily stand-ups, code reviews, and retrospectives
• Write automated tests and maintain strong test coverage across backend and frontend codebases
• Collaborate with cross-functional program teams to translate requirements into secure, scalable software solutions

Key Qualifications

• U.S. Citizenship required
• Active security clearance required at time of application (no interim or eligibility-only candidates)
• Strong hands-on experience with Python and FastAPI
• Demonstrated experience with ReactJS
• Strong knowledge of PostgreSQL including schema design and migrations
• Experience with Docker and containerized application development
• Proven experience working with AWS services (EC2, S3, RDS, IAM, CloudWatch, VPC)
• Experience designing and developing RESTful APIs
• Agile/Scrum development experience

Preferred Qualifications

• Experience with Kubernetes
• Familiarity with AWS Lambda, ECS, or EKS
• CI/CD pipeline experience using Jenkins or GitHub Actions
• Infrastructure-as-Code experience with Terraform
• Knowledge of OAuth2 and JWT authentication patterns
• Experience with automated testing frameworks such as PyTest or Jest
• Prior experience supporting Federal Government projects
• Knowledge of NIST/FISMA security standards and compliance requirements