3,353 python software developer jobs at 641 companies in Washington, DC

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
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.
Node.js, Python, Elasticsearch, Redis
PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
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).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
1mo
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CNO Python Software Engineer
Hanover, Maryland, United States
$115k-$190k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
7+ YOERequires active TS/SCI with poly, Python development, JSON/YAML, version control, OO design, task automation; BS + 7+ years programming experience or HS + 11+ years.
Python, JSON, YAML, SQL, NoSQL, Subversion, GIT, Confluence, Jira, Crucible, TCP/IP, Scrum, TDD, Waterfall
3w
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Lead Python Programming Software Engineer – Level 4
Fairfax, Virginia, United States
$142k-$213k/yr OnsiteFull Time
Northrop Grumman
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.
Python, GitLab
3w
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Lead Python Programming Software Engineer – Level 4
Fairfax, Virginia, United States
$142k-$213k/yr OnsiteFull Time
Northrop Grumman
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.
Python, GitLab
2mo
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Python Software Engineer (GC-2)
Annapolis Junction, Maryland, United States
$160k-$180k/yr OnsiteFull Time
Legato
Legato: Delivers IT engineering and cybersecurity services to defense agencies.
4+ YOEPython, AWS, Docker, Terraform; IAT Level 2; 4+ years IT applications experience; Bachelor's degree or 8 years equivalent.
Python, AWS, Docker, Terraform, Bash, SQL
3w
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Software Engineer (Python)
Washington, District of Columbia, United States
$122k-$167k/yr OnsiteFull Time
Truist
TruistNYSE: TFC: Offers personal banking, business lending, and investment management services.
5+ YOEBachelor's in CS/Software Engineering or equivalent with 5+ years experience; proficiency in Python, GitLab CI/CD, AWS (IAM, ECS/EKS, EC2, S3, CloudTrail, CloudWatch, CloudFront, VPC), Terraform, CloudFormation; container development; strong communication.
Python, GitLab CI/CD, AWS, IAM, ECS, EKS, EC2, S3, CloudTrail, CloudWatch, CloudFront, VPC, Terraform, CloudFormation, Wiz, Azure, AWS Bedrock, Streamlit, Claude Sonnet, Vector Databases
3mo
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Software Engineer - Python
Annapolis Junction, Maryland, United States
OnsiteFull Time
Interclypse
Interclypse: Provides software engineering and cybersecurity solutions for government agencies.
Develop Python/FastAPI middleware; build pipelines; implement REST API; ensure testing; participate in Agile sprints; documentation.
Python, FastAPI, REST API, Git, Agile, DevSecOps, Axway, Windows NAS, SQL, UAT
3mo
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Python Developer (Cybersecurity)
Dahlgren, Virginia, United States
OnsiteFull Time
TMC Technologies
TMC Technologies: Provides engineering and IT services to government and defense clients.
Develop software and security tools using Python; ability to obtain Secret security clearance; Bachelor's in Computer Science or Cybersecurity; on-site at NSWC Dahlgren.
Python
2mo
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Principal Python Software Engineer (Partial Telework)
Annapolis Junction, Maryland, United States
$200k-$280k/yr HybridFull Time
GliaCell Technologies
GliaCell Technologies: Software and systems engineering for the intelligence community.
20+ YOE5+ MgmtActive TS/SCI with Polygraph; 20+ years software engineering; U.S. citizenship; BS in Computer Science or related; ability to work with government contracts.
Python, Kotlin, Java, Terraform, ElasticSearch/OpenSearch, AWS
3w
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CNO Python Developer
Fort Meade, Maryland, United States
OnsiteFull Time
Set of X
Set of X: Provides specialized engineering services for U.S. national security missions.
2+ YOEBachelor's in CS +2 years programming or HS +6 years; experience with Python and Python task automation, object-oriented analysis & design, software version control, and knowledge of JSON and YAML; TS/SCI with polygraph required.
Python, JSON, YAML, SQL, NoSQL, Subversion, Git, Confluence, Jira, Crucible, TCP/IP, Agile, Scrum, TDD, Waterfall
1mo
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Senior C++/Python Software Engineer - Clearance Required
Hanover, Maryland, United States
$151k-$266k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
15+ YOETS/SCI with poly required, Bachelor's in CS or equiv, 15+ years software engineering experience, strong Python and C/C++ skills, scripting (Bash/awk/sed/PowerShell), RF signals familiarity, EM/STM32 experience preferred.
Python, C/C++, Bash, awk, sed, Microsoft PowerShell, STM32CubeMX, STM32CubeIDE, STM32CubeProgrammer, STM32CubeMonitor, Raspberry Pi4, Raspberry Pi5, FieldFox, Spectrum analyzer, multimeter
2w
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Software Engineer (Full Stack & Python)
Chantilly, Virginia, United States
$94k-$198k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
6+ YOETS/SCI with polygraph; Bachelor's in Computer Science; 6+ years software development; 4+ years full‑stack; 3+ years Python, REST APIs, JavaScript front-end frameworks; git, unit/integration testing, CI/CD experience.
Python, JavaScript, Angular, Vue, React, git, Jenkins, GitLab Runners, CI/CD, REST APIs, AWS, Agile
1mo
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Senior Python Developer
Washington or Virginia or Maryland
$90k-$130k/yr OnsiteFull Time
Tripoint Solutions
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.
Python, Django, Flask, Jupyter Notebook, Git, PostgreSQL, Unix/Linux, HTML, JavaScript, Docker, Kubernetes, AWS, Cloud Foundry, Heroku, ServiceNow, UiPath
1mo
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Senior Python Engineer
Quantico, Virginia, United States
OnsiteFull Time
SAIC
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.
Python, Django, Flask, Git
1mo
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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
1mo
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Senior Python Engineer
Quantico, Virginia, United States
OnsiteFull Time
SAIC
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.
Python, Django, Flask, Git
1w
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Python/Django Developer
McLean, Virginia, United States
$80k-$120k/yr OnsiteFull Time
Tata Consultancy Services
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.
Python, Django, Nginx, AWS Gov cloud, AWS
1w
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Mighty Python Developer
Bethesda, Maryland, United States
OnsiteFull Time
Black Cape
Black Cape: Provides mission software, AI, and data analytics for defense.
1.5+ YOEActive Top Secret/SCI required (willingness for CI Poly),Bachelor's degree,1.5+ years professional experience,proficiency in Python,PostgreSQL,Docker,experience in classified environments and model operationalization.
Google TensorFlow, Python, PostgreSQL, Docker, MacOS, Windows, Linux, Elasticsearch, GitLab, Git LFS, GitLab CI, Pydantic, DeepEval, REST, GraphQL, RedHat, Alpine, Kubernetes, OpenShift, LoRA
2mo
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Software Engineer (Backend, Python) - Content Understanding
San Francisco or Atlanta or Austin or Boston or Chicago or Dallas or Denver or Houston or Jacksonville or Los Angeles or Miami or New York City or Phoenix or Portland or Sacramento or Salt Lake City or San Diego or Seattle or Washington, D.C. or Ottawa or Toronto or Vancouver or Mexico City
HybridFull Time
Scribd
Scribd: Subscription-based digital library for e-books, audiobooks, and documents.
4+ YOE4+ years in software engineering; Python/Scala/Ruby; distributed systems; AWS; Terraform; Spark/Databricks; CS degree.
Python, Scala, Ruby, Airflow, Databricks, Spark, AWS, Terraform
2mo
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Lead Software Engineer - Python + PySpark
Richmond or McLean or Cambridge
$179k-$225k/yr HybridFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
4+ YOE1+ MgmtLead software engineer with 4+ years of software engineering experience and 1+ year cloud experience (AWS/Azure/GCP); proficient in Python, PySpark, JavaScript, TypeScript, SQL, Java, and Go; strong leadership and collaboration skills.
Python, PySpark, JavaScript, TypeScript, SQL, Java, Go, Docker, Kubernetes, AWS, Azure, GCP, HTML/CSS, Open Source RDBMS, NoSQL
1mo
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Senior Software Engineer (Python) - Remote
Reston or United States
$99k-$168k/yr RemoteFull Time
ICF
ICFNASDAQ: ICFI: Provides strategic consulting and technology services to global organizations.
5+ YOEBachelor's degree, 5+ years software engineering experience, 2+ years Python, 2+ years cloud migration experience, 2+ years Agile experience, ability to obtain Federal Public Trust clearance, must reside and work in the U.S. and have lived in the U.S. 3 of last 5 years.
Python, Java, Django, JavaScript, pytest, AWS Glue, AWS Athena, PostgreSQL, SAS, FHIR, Jenkins, Git, GitHub, GitHub Actions, Podman, CloudTamer (Kion), Confluence, Spark