Full Stack Software Developer

ABOUT US: CMT Services Inc. is a dynamic and small business supporting Federal, State, and Local government agencies. As an SBA-certified HUBZone, Woman Owned Small Business (WOSB), we deliver quality, professional services to supportthe missions and strategic business goals of our clients. PositionTitle: Full Stack Software Developer (SMA 2 — Cloud Service Support) Location: US Congressional Budget Office Ford House Office Building, 4th floor 2nd St SW, 441 D St SW Washington, DC 20024 Period of Performance : 08/15/2026 - 08/14/2031 Place of Performance: Remote work is authorized under this contract; however, at CBO’s discretion, contractor employees may be required to work on-site at CBO facilities without reimbursement for related travel or expenses. Security Clearance Public Trust (Tier 2) Citizenship U.S. Citizenship or Permanent Residence status Position Summary: The Full Stack Software Developer (SMA 2 — Cloud Service Support) designs, develops, tests, and maintains CBO’s web applications and supporting backend services, delivering production-ready software continuously through iterative sprint cycles. Works across the full stack — Python/FastAPI back end, ReactJS front end, PostgreSQL, and Docker containers deployed to AWS — within CBO’s trunk-based development workflow, with peer-reviewed code that meets style/linting standards and introduces no known security vulnerabilities Key Responsibilities: Design, develop, test, and deploy features across ReactJS front end and Python/Fast API back end. Build/maintain RESTful APIs (FastAPI) with validation, error handling, versioning, and Open API/Swagger documentation. Develop responsive, accessible front-end interfaces (ReactJS) meeting CBO UX standards and Section 508 accessibility. Implement/manage PostgreSQL data models, queries, migrations, and stored procedures with performance and integrity in mind. Operate within trunk-based development — frequent small commits, short-lived branches, feature flags; participate in code reviews and sprint ceremonies. Package services with Docker; support deployment of containerized workloads to AWS (ECS/EKS or equivalent) within existing patterns. Apply working knowledge of AWS services for app hosting (EC2, S3, RDS, CloudWatch, IAM, VPC); collaborate on environment config and secrets management. Investigate/resolve defects, performance issues, and security vulnerabilities; reduce technical debt; monitor logs (CloudWatch) and respond to operational issues. Write/maintain automated unit, integration, and regression tests (pytest; Jest/React Testing Library); ensure test coverage before merge; support UAT. Required Qualifications: Demonstrated proficiency in the core stack: Python, FastAPI, ReactJS, PostgreSQL, and Docker. Sufficient familiarity with AWS cloud services to deploy, monitor, and troubleshoot applications in cloud-hosted environments. Knowledge of CI/CD pipeline concepts and IaC tooling (e.g., Terraform, GitHub Actions) is desired but not a primary responsibility; must write code that integrates cleanly into existing automated pipelines. Education: Bachelors Degree in Computer Science or IT related. Required Documents Letter of Commitment Join Our Team: At CMT Services , we believe that extraordinary results come from empowering exceptional people. If you're ready to lead innovative projects, solve complex challenges, and contribute to meaningful infrastructure development while advancing your career in a supportive, collaborative environment, we want to hear from you. Disclaimer: By submitting your resume for this job posting, you authorize CMT Services, Inc. to forward your resume to all applicable internal and external managers, agencies, and recruitment personnel for review and consideration to hire.