131 fastapi jobs at 66 companies in Fredericksburg, VA

2mo
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Python Developer (Mid-Senior)
Chantilly, Virginia, United States
OnsiteFull Time
JTEC Consulting
JTEC Consulting: Provides IT services to federal clients.
10+ YOE10+ years Python development; FastAPI; AWS; TS/SCI with polygraph; U.S. citizenship; Bachelor's degree or equivalent experience; on-site in Chantilly, VA.
Python, FastAPI, SQLAlchemy, AWS, Kubernetes, Jenkins, GitHub, OpenSearch, Elastic, Airflow, PySpark, Trino, Linux, Docker, Helm, Makefiles, Java, Perl, C, C++, HTML, JavaScript, JSON
5d
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Software Engineer Level 4
Washington, District of Columbia, United States
OnsiteFull Time
Base-2 Solutions
Base-2 Solutions: Delivers engineering and technology services for national security.
Active TS/SCI with CI Polygraph; backend development, data engineering, API development with Python, FastAPI, PostgreSQL, Elasticsearch; strong SQL and systems-design skills.
Python, FastAPI, PostgreSQL, Elasticsearch, SQL
2mo
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GenAI Python Systems Engineer –Senior Manager
Chicago or Raleigh or Charlotte or Cincinnati or Cleveland or Columbia or Columbus or Dallas or Baltimore or Richmond or Rosemont or Sacramento or Boston or St. Louis or Salt Lake City or San Antonio or San Diego or San Francisco or Silicon Valley or Seattle or Spartanburg or Albany or Stamford or Tampa or Atlanta or Toledo or Austin or Tulsa or Washington or Denver or Des Moines or Detroit or Buffalo or Florham Park or Kansas City or Las Vegas or Little Rock or Los Angeles or Louisville or Birmingham or Fayetteville or Miami or Milwaukee or Minneapolis or Nashville or New Orleans or New York or Oklahoma City or Philadelphia or Phoenix or Pittsburgh or Portland
$124k-$280k/yr HybridFull Time
PwC
PwC: Providing audit, tax, and management consulting services to businesses.
8+ YOESenior Manager level with 8+ years of experience; proficient in Python, SQL, FastAPI; cloud certifications a plus; willing to travel up to 80%; Bachelor's degree required.
Python, SQL, FastAPI, Cloud Platforms, LLM techniques, Data Warehousing, Data Lakes, IAM
4d
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Senior Software Engineer - AI, CoCounsel International
Eagan or Frisco or New York City or Ann Arbor or San Francisco or Los Angeles or Irvine or McLean or Washington
$110k-$204k/yr HybridFull Time
Thomson Reuters
Thomson ReutersNASDAQ: TRI: Provides professional software, data, and news services globally.
4+ YOE4+ years backend engineering experience with Python, FastAPI, PostgreSQL, AWS; production agentic AI and LLM integration experience; strong debugging, architecture, and collaboration skills.
Python, FastAPI, PostgreSQL, AWS, OpenAI, Anthropic
2w
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Full Stack Developer
Florida or Herndon or Texas or Virtual
RemoteFull Time
Constellis
Constellis: Provides private security, tactical training, and risk management services.
Experience building full-stack systems with Python/FastAPI, JavaScript/TypeScript and React, REST APIs, PostgreSQL, Docker, Git; bachelor\u0002s degree in a technical field required.
FastAPI, Kafka, PostgreSQL, Docker, React, TypeScript, WebSockets, Mapbox, REST APIs, MongoDB, OpenSearch/Elastic, js, Tailwind CSS, shadcn/ui, OAuth, JWT, Keycloak, Auth0, Git, GitHub, Jira, Confluence, GitHub Actions, ArgoCD, Kubernetes
2w
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Full Stack Developer
Washington or Ashburn or Manassas
HybridFull Time
All Native Group
All Native Group: Provides professional, technical, and government contracting services.
5+ YOE5+ years full-stack experience with Python, FastAPI, ReactJS, PostgreSQL, Docker and AWS; CI/CD and TDD practices; public trust clearance eligibility; bachelor's in CS or equivalent.
Python, FastAPI, ReactJS, PostgreSQL, Docker, AWS, ECS, EKS, OpenAPI/Swagger, pytest, Jest, React Testing Library
3w
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Full Stack Software Developer (SMA 2 — Cloud Service Support)
Washington, District of Columbia, United States
RemoteFull Time
CMT Services
CMT Services: Provides management and technology consulting to government entities.
Proficiency with Python, FastAPI, ReactJS, PostgreSQL, Docker and AWS; CI/CD and IaC familiarity; bachelor’s degree in CS/IT; U.S. citizenship or permanent residence; Public Trust clearance required.
Python, FastAPI, ReactJS, PostgreSQL, Docker, AWS, EC2, S3, RDS, CloudWatch, IAM, VPC, ECS, EKS, Open API/Swagger, pytest, Jest, React Testing Library, Terraform, GitHub Actions
2mo
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Full Stack Developer
Chantilly, Virginia, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
6+ YOE6+ years AWS, serverless; Python/JavaScript; FastAPI; REST; microservices; React/Angular/Vue; Docker; Kubernetes; SQL/NoSQL; TS/SCI with poly; HS diploma or GED.
AWS, Python, JavaScript, FastAPI, REST, React, Angular, Vue, HTML, CSS, Docker, Kubernetes, SQL, NoSQL, Terraform, Terragrunt, GitHub
1mo
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Full Stack Software Developer
Washington, District of Columbia, United States
HybridFull Time
Essnova Solutions
Essnova Solutions: Provides professional and technical services to government entities.
5+ YOEBachelor's (or equivalent) and 5+ years full stack development with ReactJS, Python, FastAPI, PostgreSQL, REST APIs, AWS, Docker; CI/CD familiarity and ability to obtain Public Trust clearance.
ReactJS, Python, FastAPI, PostgreSQL, REST APIs, AWS, Docker, Kubernetes, GitHub Actions, CI/CD
3w
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Full Stack Developer
Chantilly, Virginia, United States
OnsiteFull Time
NS2 Mission
NS2 Mission: Delivers secure data management and analytics for national security.
5+ YOE5+ years Python experience, familiarity with Flask/Django/FastAPI, SQL/ORM, JavaScript/TypeScript front-end frameworks, unit/integration testing, containerized AWS deployments, and security clearance eligibility.
Python, Flask, Django, FastAPI, SQL, SQLAlchemy, JavaScript, TypeScript, CSS, React, Angular, Vue, Docker, Kubernetes, AWS, RESTful APIs
1w
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Machine Learning Engineer
Chantilly, Virginia, United States
OnsiteFull Time
Elder Research
Elder Research: Provides data science, machine learning, and predictive analytics consulting services.
3+ YOEActive TS/SCI+CI poly required, Bachelor's with minimum 3 years' experience, proficiency in Python and SQL, familiarity with JavaScript, containerization, REST/FastAPI, agentic AI, NLP, and prompt engineering.
Python, SQL, Javascript, Docker, Rocky Linux, Rest, FastAPI, Langchain, LangGraph, OpenAI Agents, Pydontic, UVicorn, Streamlit, AWS, Mandiant
3d
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AI Engineer
Washington, District of Columbia, United States
OnsiteFull Time
Analytica
Analytica: Provides data analytics and IT solutions for federal government agencies.
4+ YOEBachelor's degree in CS/Statistics or related, 4+ years developing software/AI/ML, Python, Flask/FastAPI, JavaScript, experience with LLMs/Generative AI, and active IRS MBI clearance required.
Python, Flask, FastAPI, JavaScript, LangGraph, CrewAI, Haystack, AutoGen, Large Language Models (LLMs)
1w
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Full Stack Developer
Chantilly, Virginia, United States
$112k-$222k/yr OnsiteFull Time
Accenture Federal Services
Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to U.S. federal agencies.
5+ YOE5+ years Python with Flask/Django/FastAPI, 2+ years SQL, 1+ years AWS, JavaScript/TypeScript/CSS and React/Angular/Vue experience, container deployment, active TS/SCI with Poly.
Python, Flask, Django, FastAPI, SQL, SQLAlchemy, AWS, JavaScript, TypeScript, CSS, React, Angular, Vue, uv, ruff, pyright, pytest, coverage, Selenium, Karma, WordPress, containers
3w
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Full-stack Developer
McLean, Virginia, United States
$160k-$190k/yr OnsiteFull Time
Bridge Core
Bridge Core: Provides technical services and cybersecurity solutions to government agencies.
8+ YOESenior-level full-stack development experience (8+ years), strong JavaScript/TypeScript and Python skills (Hono.js, fastapi), experience with Vue.js, Tailwindcss, CDKTF/terraform, relational databases/SQL, and cloud/DevOps.
JavaScript, Hono.js, Python, fastapi, TypeScript, Vue.js, Tailwindcss, CDKTF, terraform, SQL, Docker, AWS, Git
1mo
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Software Developer
McLean, Virginia, United States
OnsiteFull Time
Easy Dynamics
Easy Dynamics: Provides cybersecurity and cloud solutions to federal agencies.
3+ YOE3+ years software development experience, Bachelor's in Engineering or related field required; strong Python backend (FastAPI, Pydantic, SQLAlchemy), React/TypeScript frontend, SQL experience, testing and CI/CD familiarity.
Python 3, FastAPI, Pydantic, SQLAlchemy, SQLite, PostgreSQL, Microsoft SQL Server, Alembic, React, TypeScript, Vite, Material UI, React Router, React Hook Form, Zod, pytest, Playwright, GitHub Actions, npm, uv, Docker, Bicep, PowerShell, Git, GitHub, Node.js, ESLint, Prettier, Ruff, Pyright
2mo
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Full Stack Developer
Chantilly, Virginia, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
6+ YOE6+ years AWS (serverless), Python/JavaScript, FastAPI, RESTful APIs, microservices; frontend React/Angular/Vue; Docker/Kubernetes; SQL/NoSQL; Agile; TS/SCI with polygraph; HS diploma or GED.
AWS, Python, JavaScript, FastAPI, RESTful APIs, Microservices, React, Angular, Vue, Docker, Kubernetes, SQL, NoSQL, Terraform (optional)
2d
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26-1106: Python Developer - Herndon, VA
Herndon, Virginia, United States
$110k-$150k/yr OnsiteFull Time
Navitas Business Consulting
Navitas Business Consulting: Provides digital transformation and IT solutions for government agencies.
5+ YOEBachelor's or equivalent,5+ years Python development,experience with Flask or FastAPI,REST API design,relational and NoSQL databases,Git,CI/CD,Docker,Kubernetes,AWS,and secure coding for DoD environments.
Python, Flask, FastAPI, Git, CI/CD, Docker, Kubernetes, AWS
1mo
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Full Stack Developer
Washington, District of Columbia, United States
OnsiteFull Time
Softtek
Softtek: Softtek provides global IT services and digital business solutions.
US citizenship required; proficiency in Python, FastAPI, ReactJS, PostgreSQL, Docker, and AWS; experience with automated testing, trunk-based development, CI/CD concepts, and accessibility standards; eligible for Public Trust Tier 2.
Python, FastAPI, ReactJS, PostgreSQL, Docker, AWS, ECS, EKS, EC2, S3, RDS, CloudWatch, IAM, VPC, pytest, Jest, React Testing Library, OpenAPI/Swagger, Terraform, GitHub Actions
1mo
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Senior Software Architect
Washington or Sarasota or Miami or New York City or Toronto or Longboat Key
$165k-$190k/yr OnsiteFull Time
Rumble
RumbleNASDAQ: RUM: Video sharing platform and cloud infrastructure provider.
Expert-level Python backend development; experience with FastAPI or Flask, SQLAlchemy, RESTful APIs, OAuth2/OpenID Connect, distributed systems, PostgreSQL/MySQL, Docker, Kubernetes, Git-based CI/CD, and architectural leadership.
Python, FastAPI, Flask, SQLAlchemy, Jinja2, OAuth2, OpenID Connect, PostgreSQL, MySQL, Docker, Kubernetes, Git, Go, React, TypeScript, OpenStack, Ceph, Odoo, Pytest
1mo
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Senior Software Engineer
Somerville or Washington
$160k-$190k/yr HybridFull Time
VIA
VIA: Building secure, resilient digital infrastructure and AI solutions.
5+ YOEBachelor's in CS/Math/Engineering/Science, 5+ years full-stack/backend experience, cloud microservices, cryptography, Istio, FastAPI, Docker, Helm, SQL/NoSQL, CI/CD, automated testing, strong communication.
Istio, FastAPI, Docker, Helm, OAuth2, IETF RFCs, SQL, NoSQL