2mo
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Python Developer (Mid-Senior)
Chantilly, Virginia, United States
OnsiteFull Time
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
6d
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Software Engineer Level 4
Elkridge, Maryland, United States
OnsiteFull Time
Active TS/SCI with CI Polygraph, backend development, data engineering, API development, Python, FastAPI, PostgreSQL, Elasticsearch, and high-performance integrations.
Python, FastAPI, PostgreSQL, SQL, Elasticsearch
5d
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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
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
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
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
2w
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Full Stack Developer
Florida or Herndon or Texas or Virtual
RemoteFull Time
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
2mo
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Full Stack Developer
Chantilly, Virginia, United States
$87k-$198k/yr OnsiteFull Time
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
2d
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Princ Engr-Ntwk Automation
Irving or Ashburn or Cary
$107k-$205k/yr HybridFull Time
6+ YOE6+ years relevant experience, Python and API development (Flask/FastAPI), strong SQL, experience designing data pipelines, ML and GenAI familiarity, bachelor's degree or equivalent experience.
Python, Flask, FastAPI, SQL, BigQuery, Snowflake, Kafka, Pulsar, Scikit-learn, XGBoost, LightGBM, LLMs, Docker, Tableau, Power BI, Looker, Google Cloud Platform
2w
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Full Stack Developer
Washington or Ashburn or Manassas
HybridFull Time
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
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
1mo
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Full Stack Software Developer
Washington, District of Columbia, United States
HybridFull Time
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
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
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
4d
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AI Engineer
Washington, District of Columbia, United States
OnsiteFull Time
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)
1mo
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Software Developer
McLean, Virginia, United States
OnsiteFull Time
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
1w
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Full Stack Developer
Chantilly, Virginia, United States
$112k-$222k/yr OnsiteFull Time
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
2mo
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Full Stack Developer
Chantilly, Virginia, United States
$87k-$198k/yr OnsiteFull Time
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)
3w
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Full-stack Developer
McLean, Virginia, United States
$160k-$190k/yr OnsiteFull Time
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
3d
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26-1106: Python Developer - Herndon, VA
Herndon, Virginia, United States
$110k-$150k/yr OnsiteFull Time
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
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 Engineer - Product
Yonkers or Washington or Colchester or Arizona or California or Connecticut or Illinois or Maryland or Massachusetts or Michigan or New Hampshire or New Jersey or New York or Texas or Vermont or Virginia or District of Columbia
$115k-$160k/yr RemoteFull Time
5+ YOE5+ years software engineering experience; proficiency with React, React Native, Python (FastAPI); experience building multi-platform apps, CI/CD, automated testing, observability; strong communication; bachelor’s degree preferred.
React, React Native, Python, FastAPI, AWS, Azure, Google Cloud Platform, CI/CD