1,905 senior software engineer python jobs at 441 companies in Westminster, MD
🚀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).
GliaCell Technologies: Software and systems engineering for the intelligence community.
14+ YOEActive or reinstatable TS/SCI with Polygraph, U.S. citizenship, 14+ years software engineering experience, BS in Computer Science (or 4 additional years experience), Python, cloud and containerization experience.
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.
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
14+ YOESenior full-stack developer with experience in C++, JavaScript, and Python; TS/SCI clearance with polygraph; 14+ years of software engineering experience or 18+ years in lieu of degree.
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.
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
7+ YOETS/SCI with Poly clearance; 7+ years SWE; Python, Django or Flask, REST, microservices; experience with MongoDB, MariaDB or PostgreSQL; bachelor’s in CS or 4 yrs additional experience can substitute.
Senior Lead Software Engineer (Golang, Python, AWS)
McLean or Richmond
$209k-$262k/yrOnsiteFull Time
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
6+ YOE4+ MgmtBachelor's degree,6+ years software engineering,1+ year cloud experience,4+ years people management,experience with Go/Python/JavaScript/Java/TypeScript/SQL,Docker,Kubernetes,AWS/GCP/Azure.
KlaviyoNYSE: KVYO: Software platform for automated e-commerce marketing and customer data.
Senior software engineer with full-stack experience, focus on onboarding and user experience, data-driven, AI-aware, leadership and mentoring responsibilities.
CGINYSE: GIB: Provides information technology and business consulting services.
8+ YOE8+ years Python data engineering with Apache Spark, advanced SQL, AWS (EMR, Redshift, S3, Glue), big data tooling, CI/CD (GitLab, Terraform), and strong performance optimization skills.
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.
Modern Classrooms Project: Provides training for blended and self-paced instructional models.
AI-native senior engineer with hands-on experience building backend systems and generative AI/agentic orchestration using Python and TypeScript, prompt engineering, Spec-Driven Development, and durable production workflows.
Claude Code, OpenAI Codex, LangGraph, Python, TypeScript, GitHub Spec Kit
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.