3,580 senior python developer jobs at 747 companies in Manassas, VA
🚀PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
ManTech: Provides technology solutions for defense and intelligence agencies.
10+ YOE10+ years Python development, SQL, front-end/full stack, Git, Docker/Kubernetes, RESTful API development, Linux/Unix; Bachelor's in CS +10 years or HS +14 years; active TS/SCI with polygraph required.
Tripoint Solutions: Providing technology modernization and data services to federal agencies.
5+ YOEBachelor's in CS or related, 5+ years Python development, experience with Django/Flask, REST APIs, PostgreSQL, Git, Unix/Linux, AWS/Cloud platforms, Jupyter Notebooks; U.S. citizenship and eligibility for Federal Public Trust required.
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
9+ YOEU.S. citizen with active Top-Secret clearance, Bachelor's (or equivalent) and 9+ years' experience; 3–5 years Python development; IAT-II/Security+ CE; experience with Django/Flask, API development, Git, databases/ORMs, security best practices.
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
9+ YOEBachelor's (or equivalent) and 9+ years experience, U.S. citizenship with active Top-Secret clearance, IAT-II (Security+ CE), 3–5 years Python development, Django/Flask, API integration, Git, database/ORM knowledge.
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.
Set of X: Provides specialized engineering services for U.S. national security missions.
7+ YOEBachelor's in Computer Science (or 4 yrs SWE experience) and 7 years SWE experience required; strong Python skills; NiFi or Elastic a plus; TS/SCI with polygraph required.
Python - Senior Developers - AI Training - Washington DC, USA
Washington or United States
$50/hrRemoteContract
Prolific: Platform connecting researchers and AI developers with verified participants.
BSc+ in CS or related, senior-level Python development experience, ability to solve LeetCode Medium–Hard, expertise with GIL, decorators, generators, asyncio, and modern Pythonic standards; pass a short technical assessment.
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
10+ YOEMust be US-citizen/eligible for US security clearance; 10+ years software engineering with 5+ years Python; experience with Django and Nginx; AWS Gov cloud, FedRAMP/IL5 exposure advantageous.
IntelliDyne: Provides IT solutions and consulting services to government agencies.
5+ YOE5+ years Python development, Flask experience, web app deployment and security, authentication and certificate management, REST APIs, relational DBs, Git, HTML/CSS/JavaScript, strong debugging and communication skills.
Lead Python Programming Software Engineer – Level 4
Fairfax, Virginia, United States
$142k-$213k/yrOnsiteFull Time
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
8+ YOEActive TS/SCI clearance and U.S. citizenship; Bachelor's +8 years (or Master’s +6 or PhD +4) software development experience; 3+ years senior-level Python; software architecture and version control (GitLab) experience.
Lead Python Programming Software Engineer – Level 4
Fairfax, Virginia, United States
$142k-$213k/yrOnsiteFull Time
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
8+ YOEActive TS/SCI clearance and U.S. citizenship required; 8+ years software development with Bachelor's (alternatively Master's/PhD with fewer years); 3+ years senior Python experience; software architecture, GitLab/version control, and team leadership experience.
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/yrHybridFull Time
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
IntelliDyne: Provides IT consulting and technology solutions to government agencies.
5+ YOE5+ years SQL, PL/SQL and Python experience; Oracle and Cognos experience; OLAP and ETL familiarity; strong analytical, QA and collaborative skills; bachelor’s degree required; MBI security clearance required.
SQL, PL/SQL, Python, Cognos, Oracle, Microsoft Excel, Crystal Reports, Business Objects Enterprise XI, OLAP, ETL
Niyam IT: IT services and data analytics for government agencies.
7+ YOEUS citizen able to obtain Public Trust, Bachelor’s in CS or related, 7+ years experience, containerized Linux experience, proficiency with Python, PostgreSQL, Java/Spring Boot, Angular/TypeScript, microservices, and AWS.
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
7+ YOEU.S. citizen able to pass CBP background check, BS in relevant field (or equivalent), 7+ years technical experience, strong Databricks, Python/PySpark, Delta Lake, Spark SQL, and data pipeline/medallion architecture experience.
Financial Model Development Senior (Python Developer)
McLean, Virginia, United States
$130k-$196k/yrOnsiteFull Time
Freddie MacOTCQB: FMCC: Purchases and securitizes home mortgages for the secondary market.
5+ YOEBachelors in CS/Engineering, 5+ years developing analytic production-quality software; proficient in Python, C++, Java; familiar with AWS EKS and Python web frameworks; experience with Make, Git, shell scripts, gdb, pdb, SQL, RDBMS.
26-1106: Full Stack Python Developer - Herndon, VA
Herndon, Virginia, United States
OnsiteFull Time
Navitas Business Consulting: Provides digital transformation and IT solutions for government agencies.
5+ YOE5+ years software engineering with Python and web app development; experience with Flask/FastAPI, cloud-native delivery (Docker/Kubernetes), CI/CD, Databricks/Spark, search/graph platforms, and modern front-end frameworks.