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Senior Python Developer Jobs in Thurmont, MD, US

1,200+ senior python developer jobs from 280+ companies hiring in Thurmont, MD, US.

1,205 jobs- Thurmont • 50 miles
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Senior Python Developer - Contingent
McLean, Virginia, United States
RemoteFull Time
Aretum
Aretum: Provides technology-enabled mission support services for federal government agencies.
8+ YOE8+ years Python development, 8+ years OOP, Bachelor’s or 2 extra years, API/microservices, AWS, Docker/Kubernetes, CI/CD, Agile.
Python, FastAPI, Docker, Kubernetes, Terraform, AWS, PostgreSQL, MySQL, Solr, Elasticsearch, JQuery, JavaScript, CI/CD
3w
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Senior‑Level Python Developer (Python, C++)
Annapolis Junction, Maryland, United States
$155k-$175k/yr OnsiteFull Time
IDS International
IDS International: Global training, logistics, and security for government agencies.
8+ YOEBachelor’s degree in computer science; 8+ years relevant experience; Python, C++, Spark; Jupyter Notebooks; JIRA, Confluence, Git/GitLab; knowledge of customer tools; active TS/SCI with Polygraph.
Python, C++, Spark, Jupyter Notebooks, JIRA, Confluence, Git/GitLab
2mo
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Python Developer
Woodlawn, Maryland, United States
$144k-$197k/yr OnsiteFull Time
Social Security Administration
Social Security Administration: Manages federal retirement, disability, and survivor social insurance.
1+ YOEDesign and develop large-scale Python applications with ML/LLM, data processing with NumPy/Pandas, performance analysis, collaboration, TDD, Git, SQL, security, agile practices, and cloud deployment.
Python, NumPy, Pandas, Git, Bitbucket, Visual Studio Code, PostgreSQL, MongoDB, SQL, Splunk, Dynatrace, AWS, Azure, Jenkins
2mo
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Senior Python Software Engineer
Linthicum Heights, Maryland, United States
$170k-$260k/yr OnsiteFull Time
GliaCell Technologies
GliaCell Technologies: Providing software and systems engineering for the intelligence community.
6+ YOEActive TS/SCI with Polygraph clearance; U.S. citizenship; 6+ years software engineering with MS in CS (or 8+ years with BS), or 10+ years with AA, or 12+ years with high school diploma; strong communication and independent work skills.
Python, Docker, Django, Flask, MongoDB, MariaDB, REST, JSON, XML, Jira, Confluence, Git, AWS
2w
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Python Software Developer
Ashburn, Virginia, United States
HybridFull Time
DXC Technology
DXC TechnologyNYSE: DXC: Global provider of IT services and business technology solutions.
4+ YOE4+ years software development; Python proficiency; strong SQL; GraphQL APIs; REST; Git/Linux/Docker; web security; cloud; microservices; bachelor's degree or equivalent; authorized to work in the United States
Python, GraphQL, REST, SQL, Git, Linux, Docker, OpenAPI
1mo
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Senior Software Engineer (Python)
Columbia, Maryland, United States
$170k-$240k/yr OnsiteFull Time
Visionist
Visionist: Provides software engineering and data analytics for national security.
12+ YOESenior software engineer with 12+ years exp, Python expert, production apps, AI concepts, Kafka, Elasticsearch; TS/SCI with polygraph.
Python, Kafka, Elasticsearch, PydanticAI, LangGraph
2mo
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CNO Python Software Engineer
Hanover, Maryland, United States
OnsiteFull Time
ManTech
ManTech: Delivers technology and cybersecurity solutions to national security agencies.
7+ YOETS/SCI w/ Poly required; 7+ years of programming with BS or 11+ years with HS; Python, JSON/YAML, OOP, version control; experience in CNO context and testing.
Python, JSON, YAML, Git, Subversion, Confluence, Jira
1mo
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Python Software Engineer (TS/SCI with Polygraph)
Annapolis Junction, Maryland, United States
$150k-$200k/yr OnsiteFull Time
Red Alpha
Red Alpha: Provides software engineering and data science for defense missions.
7+ YOE7+ years software engineering; BS in CS or related field; Linux CLI; Bash; Python; Rust or willingness to learn; NoSQL (MongoDB); Docker; Kubernetes; Helm; RabbitMQ; GitLab CI; Ansible; Git; TS/SCI with polygraph
Linux, Bash, Python, Rust, MongoDB, Docker, containerd, Kubernetes, Helm, RabbitMQ, GitLab CI, Ansible, Git, PostgreSQL, Jira, Confluence
1w
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Senior Lead Software Engineer, Back End (Python/Node.js)
McLean or New York City or Cambridge
$230k-$286k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
6+ YOESenior backend software engineer with 6+ years experience, cloud (AWS/Azure/GCP), leadership experience preferred; strong Java, Python, Node.js, Go, Scala, and cloud/container tech.
Java, Python, SQL, Node.js, Go, Scala, Docker, Kubernetes, AWS, Azure, GCP
5d
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Senior Engineer - Customer Identity
Bethesda or Dallas or Seattle
$75k-$215k/yr HybridFull Time
GEICO
GEICO: Provides vehicle and property insurance services to consumers.
4+ YOESenior engineer with 4+ years in software development; Java, C++, Python or C#; microservices; cloud; REST/gRPC; Kafka/Azure; DevOps; open-source experience.
Java, C++, Python, C#, SQL, NoSQL, Kafka, Azure Service Bus, Azure tools, AWS
4d
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Senior Software Engineer, Python
Linthicum, Maryland, United States
OnsiteFull Time
CyberMaxx
CyberMaxx: Provides managed detection and response cybersecurity services to organizations.
5+ YOE5+ years Python3, 2+ years MySQL, REST APIs, data science basics; Django and ML packages a plus.
Python, MySQL, RESTful APIs, Django, Keras, TensorFlow
2w
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Senior Software Developer
Richmond or Baltimore or Nashville or Mechanicsburg or Raleigh
$105k-$145k/yr HybridFull Time
GFT
GFT: Global firm providing engineering and infrastructure construction services.
5+ YOESenior software developer with 5+ years of experience in full-stack design and geospatial applications.
SQL, C#, Java, Python, HTML, CSS, JavaScript, ASP.Net Core, Angular, React, Vue.js, Esri software
1w
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Senior Full Stack Developer
Baltimore, Maryland, United States
$133k-$189k/yr RemoteFull Time
Index Analytics
Index Analytics: Delivers data strategy and IT solutions to federal health agencies.
5+ YOESenior full stack developer with 5+ years of experience, strong JS/Python, React/Node.js, AWS, Git, and government project experience.
React, Next.js, TypeScript, Python, AWS, Redis, DynamoDB, Lambda, S3, API Gateway, Git, Jenkins, Snowflake, PostgreSQL, Plotly, D3, Jest, React Testing Library, Jira, Confluence
2mo
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Senior Software Engineer
Annapolis Junction or Columbia
OnsiteFull Time
Freedom Technology Solutions Group
Freedom Technology Solutions Group: Technical consulting and engineering for the national security community.
7+ YOESenior software engineer with 7+ years SWE experience; BS in CS required; strong Java/Python, CI/CD, and security clearance with polygraph; experience with Agile; ability to design, develop, and deploy software.
Java, Python, Git, Shell, Maven, JavaScript, HTML, CSS, JUnit, IDE, Spring, Jenkins, Hibernate, MySQL, Web Services, Google Web Toolkit, Vaadin, Docker, Kubernetes, OpenShift, GitLab CI, SonarQube
2mo
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Senior Software Developer
Hanover, Maryland, United States
OnsiteFull Time
VTG
VTG: Provides engineering and digital modernization for defense and national security.
20+ YOETwenty years of software development; multi-language proficiency (Java, Python, Rust, C++, Golang); Top Secret/SCI with Poly clearance.
Java, Python, Rust, C++, Golang, Docker, Kubernetes
1w
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Senior Software Engineer
Owings Mills, Maryland, United States
$121k-$206k/yr HybridFull Time
T. Rowe Price
T. Rowe PriceNASDAQ: TROW: Provides global investment management and retirement planning services.
5+ YOESenior software engineer with AWS, Amazon Connect, Java/Python, CI/CD, Docker, OAuth2, and distributed systems.
Java, Python, Amazon Connect, AWS, Lambda, Lex, DynamoDB, S3, Git, Docker, OAuth2, OIDC, JWT, ADFS, Terraform
1w
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Senior Software Developer
Rockville or Tysons Corner
$113k-$188k/yr HybridFull Time
Guidehouse
Guidehouse: Provides management and technology consulting services to diverse organizations.
6+ YOEMinimum 6 years full-stack development (Python and React); 3+ years databases; Docker; AWS; REST/JSON; CI/CD; mentoring.
React, TypeScript/JavaScript, Python, Docker, AWS, GitHub Actions
2mo
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Senior Software Developer
Reston, Virginia, United States
$146k-$228k/yr HybridFull Time
Noblis
Noblis: Provides technical and scientific solutions to federal government agencies.
8+ YOEBachelor's Degree and 8+ years software development; expert Python and C; Linux/Windows; PostgreSQL; software architecture; system-level programming; TS/SCI clearance with eligibility.
Python, C, PostgreSQL, Linux, Windows, Git, Docker, Kubernetes, REST, Microservices, CI/CD, DevOps
2mo
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Senior CNO Developer (Onsite)
Annapolis Junction, Maryland, United States
OnsiteFull Time
Nightwing
Nightwing: Provides cybersecurity and intelligence solutions for government agencies.
6+ YOE5+ MgmtSenior CNO developer with extensive programming and team leadership experience, TS/SCI clearance preferred, onsite in MD.
Python, C, C++, Java, Perl, Assembly, Make, PowerShell, Bash
2w
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Senior Full Stack Developer
Herndon, Virginia, United States
OnsiteFull Time
Karsun Solutions
Karsun Solutions: Provider of IT modernization and software development for government agencies.
10+ YOESenior full stack developer with 10+ years of software development, AI/ML exposure, and ability to lead modernization efforts.
Java, Python, Node.js, JSP, Tomcat, jQuery, SQL, ETL, APIs, CI/CD, Cloud
1mo
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Senior Software Engineer
Waltham or Lexington or North Bethesda
$119k-$155k/yr HybridFull Time
Xometry
XometryNASDAQ: XMTR: Operates an AI-powered marketplace for custom manufacturing and prototyping.
6+ YOE6+ years in software development; full-stack experience; Python backend; React/Typescript; AWS; SQL and MongoDB; Docker/Kubernetes; strong debugging and testing.
Python, React, Typescript, HTML, CSS, AWS, SQL, MongoDB, Docker, Kubernetes
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Software Developer, Senior
Herndon, Virginia, United States
$133k-$226k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
6+ YOEMinimum 6 years software development experience; Bachelor’s degree in CS/Info Security or related field (or equivalent); Proficiency with .NET, Web, Python, PowerShell; Cloud experience (AWS/Azure); Experience with GitHub/Jira/Jenkins/Confluence; knowledge of STS/DataHound; SDLC familiarity; strong documentation skills.
.NET, C#, WPF/XAML, C++, ASP.NET MVC Web API, HTML/CSS, Python, PowerShell, IIS, AWS, Azure, GitHub, Jira, Jenkins, Confluence, Secure Token Service (STS), DataHound, Microsoft PowerBI
2mo
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Senior Software Engineer
Reston or Vienna
HybridFull Time
NT Concepts
NT Concepts: Delivers AI and data solutions for national security missions.
6+ YOE6+ years full-stack development; Python, Django, Angular, TypeScript; containerization (Fargate, OpenShift, Kubernetes); API design; DevOps; databases; AI/ML integration; active Secret clearance; TS/SCI preferred.
Python, Django, Angular, TypeScript, Kubernetes, OpenShift, Fargate, PostgreSQL, MySQL, MongoDB, Git, APIs
11h
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Senior Software Engineer
Reston or Lexington
$97k-$165k/yr HybridFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
5+ YOEBachelor's degree in Computer Science or Software Engineering; 5+ years software development; active Secret clearance or ability to obtain; strong C/C++ and Python; Linux experience; full software lifecycle; security-focused.
C/C++, Python, Linux, SVN, Git, Make, CMake, TCP/IP, UDP, SSH, SFTP
2mo
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Senior Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
ClearEdge
ClearEdge: Provides software engineering and data analytics to the intelligence community.
14+ YOESenior software engineer with cloud architecture, data visualization, Python/Java, and leadership experience; TS/SCI clearance with polygraph; Bachelor's degree in CS or related field plus 14 years of experience; experience with MySQL/PostgreSQL and web-based server applications.
Python, Java, MySQL, PostgreSQL, Linux, Web-based server applications, Data visualization
2mo
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Software Engineer, Senior
McLean or Alexandria
$87k-$198k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides management and technology consulting to government and commercial clients.
5+ YOESenior full stack developer with 5+ years in React/Angular/Python, REST/microservices, Agile, Secret clearance capability; Bachelor's degree.
React, Angular, Python, REST, Microservices, CI/CD, Kubernetes, Docker, Jenkins, SQL, NoSQL, AI
1mo
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Senior Full Stack Engineer / Software Developer
McLean, 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+ YOE5-10+ years web app development; React/TypeScript, Python backend, SQL/NoSQL; mentoring experience; TS/SCI with Poly clearance.
React, TypeScript, Python, SQL, NoSQL, AWS, CI/CD, DevOps, Testing
5d
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Senior Software Engineer/Architect
Laurel, Maryland, United States
$105k-$290k/yr OnsiteFull Time
Johns Hopkins University Applied Physics Laboratory
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
7+ YOEB.S. in CS/CE; 7+ years software development; Python; technical lead experience; web development with modern JS frameworks; non-relational DBs; TS/SCI eligibility.
Java, Python, JavaScript, Vue.js, ReactJS, Angular, MongoDB, CouchDB, HBase, SQL Server, MySQL, Postgres
1w
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Senior AI Developer
McLean, Virginia, United States
OnsiteFull Time
Steampunk
Steampunk: Design-led federal technology consulting and innovation services firm.
7+ YOE7+ years in software engineering; 2+ years AI/ML; Bachelor's degree; Python and AI frameworks; production-grade AI apps; cloud platforms; RAG, LLM orchestration.
Python, PyTorch, TensorFlow, Hugging Face Transformers, LangChain, LlamaIndex, RAG, Vector databases, AWS, Azure, GCP, Docker, Kubernetes
1mo
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Senior AI Product Engineer
McLean, Virginia, United States
$140k-$180k/yr OnsiteFull Time
Steampunk
Steampunk: Provides digital transformation and IT consulting for federal agencies.
5+ YOESenior AI product engineer with 5+ years in AI/data-driven apps; strong GenAI, LLMs, Python, and ecosystem tools; public trust clearance; strong collaboration and communication.
Python, LangChain, LlamaIndex, DSPy, LLMOps, MLOps, Docker, Kubernetes, AWS, Azure, GCP, CI/CD, DevSecOps, Retrieval-Augmented Generation, Vector Databases, APIs
2mo
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Senior Software Engineer/ Elastic Engineer
Dulles, Virginia, United States
OnsiteFull Time
Node.Digital
Node.Digital: Provides digital automation and AI solutions for government and commercial enterprises.
6+ YOEU.S. citizenship; active Secret clearance with ability to obtain TS/SCI; DHS suitability; 6+ years software development; 2+ years Elastic Cloud on Kubernetes admin; 2+ years Elasticsearch DSL; 5+ years Kubernetes; ELK stack knowledge; scripting (Python, JavaScript, Bash).
Elasticsearch, Kibana, Logstash, Beats, Elastic Cloud on Kubernetes, Kubernetes, Python, Groovy, Bash, ELK
3mo
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Senior Data Engineer
Baltimore, Maryland, United States
$125k-$150k/yr HybridFull Time
Association of Universities for Research in Astronomy
Association of Universities for Research in Astronomy: Manages astronomical observatories and space telescope science centers
8+ YOE8+ years in Linux, data engineering, PostgreSQL, data pipelines; Python; Kubernetes; Apache Airflow; cloud and on-prem; BS/MS in CS/IT.
PostgreSQL, Apache Airflow, Kubernetes, Python, Linux
2mo
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Senior Software Engineer
Herndon, Virginia, United States
RemoteFull Time
iDirect Government
iDirect Government: Provides secure satellite-based IP communication solutions for government organizations.
6+ YOESenior software engineer with 6+ years in C/C++, Linux, REST/GraphQL, and modern web tech; strong problem solving and collaboration.
C++, Go, GraphQL, Vue, Node.js, WebSockets, REST, Docker, Kubernetes, PostgreSQL, MySQL, MariaDB, Python, Perl, Lua, GCC, cmake, bash, Jira, Git
11h
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Senior Software Engineer
Reston or Lexington
$97k-$165k/yr HybridFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA.: Produces advanced defense, aerospace, and information security systems.
5+ YOEBachelor’s in CS/Software Eng or related; 5+ years software dev; active Secret clearance; strong C/C++, Python; Linux; SDLC; collaboration.
C++, Python, Linux, SVN, Git, Make, CMake, TCP/IP
2d
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Senior Systems Engineer
Colorado Springs or Albuquerque or Laurel
$125k-$150k/yr RemoteFull Time
Auria
Auria: Engineering and software solutions for space and defense missions.
2+ YOETop Secret/SCI eligible, U.S. citizenship, BS in Engineering, 2+ years in aerospace software, Python and C++, experience in flight software and satellite missions.
Python, C++, Docker, Kubernetes, ROS, NATS, grpc, Ansys STK
1mo
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Senior Software Engineer (Big Data)
McLean, Virginia, United States
OnsiteFull Time
KDA Consulting
KDA Consulting: Provides IT engineering and cloud services for intelligence missions.
TS/SCI clearance, BS in CS/Engineering or related field, full stack development, big data tech (Hadoop/Spark/Kafka), Java/Python/C#, APIs/microservices, problem solving.
Hadoop, Apache Spark, Kafka, Java, Python, C#, REST APIs, Microservices, Front-end frameworks, Cloud (AWS)
4w
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Senior GenAI Backend Platform Developer
Rockville or Jersey City or Denver or San Francisco or New York
HybridFull Time
FINRA
FINRA: Regulates brokerage firms and exchange markets in the United States.
5+ YOESenior GenAI backend developer with 5+ years of experience in cloud-native systems, AWS, CI/CD, and secure software practices.
AWS Bedrock, AWS S3, AWS Fargate, AWS Lambda, AWS Step Functions, Jenkins, Git, Docker, Python, FastAPI
3w
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Senior Prototyping Engineer
Austin or Reston or United States
HybridFull Time
Seekr
Seekr: Transparent AI platform for enterprise and government decision-making.
5+ YOE5+ years of JavaScript/TypeScript, React/Next.js, Python/FastAPI; AI/LLM knowledge; strong UX/design sense; prototyping with JSON APIs; Agile mindset; excellent communication.
React, Next.js, JavaScript, TypeScript, Python, FastAPI, JSON APIs, Figma, AI Coding assistants, Claude Code, Cursor, LLMs
2w
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Senior Software Engineer
Columbia, Maryland, United States
$190k-$240k/yr OnsiteFull Time
Belay Technologies
Belay Technologies: Provides specialized technology and engineering services to the DoD.
12+ YOETS/SCI with polygraph; 12+ years experience or 4 additional years in lieu of a degree; strong Python/JavaScript full-stack, data querying, Linux, Git, and on-site collaboration.
Python, JavaScript, Linux, Git, Docker, Kubernetes
3w
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Software Engineer, Senior
Fort Meade or Laurel
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
10+ YOESenior full-stack developer with TS/SCI clearance; 16+ years’ experience (or 12+ with a BA; 10+ with an MS); proficiency in React/Next.js, Git, CI/CD, middleware, Docker/Kubernetes, Python; familiar with LLM/RAG and cloud tools.
React, Next.js, Git, Jenkins, GitLab CI/CD, Express, Flask, Spring, FastAPI, Docker, Kubernetes, Python, Elasticsearch, Kibana, Grafana, Redis, Kafka, Nginx, AWS, HAProxy

HiringCafe market data

Senior Python Developer Jobs market signals in Thurmont, MD, US

These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.

Open jobs
1,200+
Hiring companies
280+
Fresh sample
54% new in 30d
Salary visibility
66% show pay

Companies appearing in this market

BAE SystemsSteampunkBooz Allen HamiltonBelay TechnologiesCapital OneFINRAGEICOGliaCell Technologies

Work location mix in visible results

Onsite: 68Hybrid: 43Remote: 10