1,419 senior python developer jobs at 268 companies in Centreville, MD
2w
Save
Mark Applied
Hide
Python Developer
Fort Meade, Maryland, United States
$120k-$247k/yr OnsiteFull Time
7+ YOE7+ years SWE experience, strong Python expertise, TS/SCI with polygraph, BS in Computer Science or equivalent, EMR not required, NiFi/Elastic a plus.
Python, NiFi, Elastic
1mo
Save
Mark Applied
Hide
Senior Python Software Engineer
Laurel, Maryland, United States
$170k-$230k/yr OnsiteFull Time
14+ YOEActive or rein-statable TS/SCI with Polygraph, U.S. citizenship, ~14 years experience (or BS plus 14 years / or 18 years in lieu of BS), strong Python and ML experience, Linux, Jira/Confluence, and security-cleared government contract experience.
Python, GM Learn, Jira, Confluence, Linux, Java, Scala, Lucene, JEXL, SQL, JSON, Ghostmachine, Jupyter Notebooks, IntelliJ, Eclipse, Git, Gitlab, Stash, Bitbucket, Scikit-learn, AWS, Spark
2mo
Save
Mark Applied
Hide
CNO Python Software Engineer
Hanover, Maryland, United States
$115k-$190k/yr OnsiteFull Time
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
2mo
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
Senior C++/Python Software Engineer
Hanover, Maryland, United States
$167k-$310k/yr OnsiteFull Time
15+ YOEBachelor's degree in computer science or related field, or four additional years of software engineering experience; 15 years of software engineering experience; current DoD Top Secret SCI with polygraph; Python and C/C++ development skills.
Python, C, C++, Bash, awk, sed, PowerShell, STM32, STM32CubeMX, STM32CubeIDE, STM32CubeProgrammer, STM32CubeMonitor, Raspberry Pi, FieldFox, Spectrum analyzer, multimeter
3mo
Save
Mark Applied
Hide
HP100 Senior Scientific Software Developer
Greenbelt, Maryland, United States
OnsiteFull Time
10+ YOESenior software developer with 10 years of scientific programming; Linux; languages: IDL, HTML, Fortran, C, Java, JavaScript, Python; able to obtain Tier 1 background investigation; US citizenship or permanent residency.
IDL, Fortran, C, Java, JavaScript, Python, HTML, Linux, Git
3w
Save
Mark Applied
Hide
Principal Software Engineer (Python)
Fort Meade, Maryland, United States
OnsiteFull Time
15+ YOE12+ MgmtTS/SCI with Polygraph required; Master's in CS/CE (or 4 years SWE experience substitute); 15 years design/development experience; 12 years leading software teams; ITILv3; Python and CI/CD experience preferred.
Python, CI/CD, Jenkins, Gitlab, Code Pipeline, AWS
3mo
Save
Mark Applied
Hide
Senior Software Developer
Annapolis Junction, Maryland, United States
$203k-$260k/yr OnsiteFull Time
12+ YOETop Secret clearance with Full Scope Polygraph; US citizenship; 12 years of relevant experience with a technical degree; alternative 4 extra years experience in lieu of degree; experience across UI, backend, DevOps; React/Vue/Angular; Python scripting; REST with Spring Boot and Python; Postgres/SQLite; GitLab CI/CD.
React, Vue, Angular, Python, Spring Boot, REST, Postgres, SQLite, GitLab CI/CD
3mo
Save
Mark Applied
Hide
Senior Cloud Engineer
Fort Meade, Maryland, United States
$220k-$235k/yr OnsiteFull Time
14+ YOESenior cloud engineer with TS.SCI w/FSP eligibility; strong Python/Java, data modeling, AWS API, Linux, CI/CD, and data workflows.
AWS, Python, Java, MySQL, PostgreSQL, Linux, Shell scripting, JSON, YAML, NoSQL, MongoDB, Elasticsearch, Neo4j, Terraform, GitLab CI, CI/CD, Docker, Kubernetes, Lambda, Step Functions
1mo
Save
Mark Applied
Hide
Full Stack Developer (Python / Java / Angular / AWS)
United States or Suitland
RemoteFull Time
7+ YOEU.S. citizen able to obtain CBP Public Trust, Bachelor's or equivalent, 7+ years development experience, expertise with Python, Java, Spring Boot, Angular, AWS, RESTful APIs, microservices, containers, and Git.
Python, Java, Spring Boot, Angular, TypeScript, JavaScript, HTML/CSS, PostgreSQL, AWS, Microservices Architecture, Linux, Git, Angular Material, NGRX, NGXS, Kafka, ETL tools, DevOps and CI/CD pipelines, Automated testing frameworks, UML
2mo
Save
Mark Applied
Hide
Senior Software Engineer (C++, Javascript, Python - TS/SCI with Polygraph required)
Annapolis Junction, Maryland, United States
$175k-$225k/yr OnsiteFull Time
14+ YOE14+ years software development experience; Bachelor's in Computer Science (or 4 years extra experience); strong C++, Python, JavaScript; Linux, Git, Docker, Kubernetes; CI/CD (Jenkins, Maven, Nexus); active TS/SCI with Polygraph.
C++, Python, JavaScript, Linux, Git, Docker, Kubernetes, Jenkins, Maven, Nexus, Helm, ArgoCD, Keycloak, Groovy, RPM, YUM, DNF, Jira, Kendo UI Test Builder
3mo
Save
Mark Applied
Hide
Senior Quantum Engineer
College Park, Maryland, United States
OnsiteFull Time
PhD in physics, chemistry, or engineering; leadership in dynamical characterization of spin qubits; ML experience; Python/ Matlab; lead teams; communicate complex tech; high-frequency electronics; cryogenic systems.
Python, Matlab, Data Acquisition, Cryogenic measurement systems, High-frequency electronics
3mo
Save
Mark Applied
Hide
Software Developer, Senior
Fort Meade, Maryland, United States
$87k-$198k/yr OnsiteFull Time
14+ YOESenior full-stack software developer with Java/JavaScript in Linux; experience across back-end/front-end, agile development; TS/SCI with polygraph; bachelor's in CS with 14+ years experience or 18+ years without degree.
Java, JavaScript, Linux, MongoDB, Spring, OSGi, Perl, Python, Lua, NGINX
3mo
Save
Mark Applied
Hide
365-369 - Senior Software Engineer
Fort Meade or Linthicum
$191k-$214k/yr OnsiteFull Time
8+ YOEActive TS/SCI with polygraph; US citizenship; Bachelor's degree plus 8 years of experience; strong Python/Java; PySpark, Kubernetes, Docker, Elasticsearch; AI/ML tooling; cloud-native platforms; governance and agile delivery.
Python, Java, PySpark, Jupyter Notebooks, Kubernetes, Docker, Elasticsearch, GHOSTMACHINE, Query Time Analytics, Git, GitLab, Hugging Face, Bailo, OpenAI, AWS Bedrock, AWS SageMaker, AWS EKS, React, EX, Terraform
3mo
Save
Mark Applied
Hide
Senior Software Engineer (AI Software & Operations)
United States or Elkridge
RemoteFull Time
Strong software engineering fundamentals; full-stack Python and React; production AWS and Kubernetes; Terraform; GitHub Actions; autonomy in a startup; eager to learn agentic AI workflows.
Python, React, AWS, Kubernetes, Terraform, GitHub Actions, LangChain, Claude Code, AutoGen, CrewAI
3mo
Save
Mark Applied
Hide
Senior Staff Engineer - Financial Substantiation Platform *Hybrid*
Bethesda or Dallas or Washington or Falls Church or Baltimore or Seattle
$120k-$260k/yr HybridFull Time
10+ YOESenior software engineer with 10+ years, architecture leadership, distributed systems, cloud, and data-focused reconciliation platforms. Strong collaboration with Finance, Compliance, and Product.
Java, C#, Go, REST, gRPC, SQL, AWS, Azure, GCP, CI/CD, Containers, IaC, DevOps, Kubernetes, Kafka, Snowflake, Airflow, Python, PySpark, Snowpark
2w
Save
Mark Applied
Hide
Senior Software Developer/Engineer
Fort Meade, Maryland, United States
$150k/yr OnsiteFull Time
7+ YOEBachelor's degree,7+ years software development in government/DoD,DoD Secret clearance,expert in C++,C#,Java,VB.NET,Python,Rust,Windows and UNIX shell scripting,NIST 800-53 secure coding.
C++, C#, Java, VB.NET, Python, Rust, Windows, UNIX shell scripting, NIST 800-53 Rev. 5
1mo
Save
Mark Applied
Hide
Senior Software Developer (Hybrid)
Annapolis Junction, Maryland, United States
$77k-$206k/yr HybridFull Time
9+ YOE9+ years software development experience (strong in Python or Java), reverse engineering or LLM application development skills, familiarity with EM tooling and testing frameworks, BS in Computer Science or related field.
Python, Java, IDA, Ghidra, x86 Assembly, ARM Assembly, PPC Assembly, Langchain, LangGraph, LangSmith, JUnit, Pytest, gRPC, poetry, gradle, uv
1mo
Save
Mark Applied
Hide
Senior Software Engineer
Annapolis Junction, Maryland, United States
$175k-$210k/yr HybridFull Time
14+ YOEActive TS/SCI with polygraph, Bachelor’s in CS or related with 14+ years experience, strong software development skills (Git, Java/C++,Python), Postgres, Jira/Confluence, Agile experience.
Git, Java, C++, Python, Postgres, Jira, Confluence, Amazon Web Services (AWS), Docker, Kubernetes, HAProxy, Nginx, Elastic Stack
2mo
Save
Mark Applied
Hide
Senior Software Engineer
Laurel, Maryland, United States
$105k-$290k/yr OnsiteFull Time
5+ YOEBachelor's in CS/CE/EE/Physics/Math, 5+ years software development, strong modern C++ (C++11+), Python 3, Linux development, multi-threaded/concurrent software, Git, and ability to obtain Interim Secret and ultimately Top Secret clearance (U.S. citizenship).
C++, Python 3, Linux, Git, gRPC, JSON, AFSIM, EADSIM, Docker, Podman, Kubernetes, Rancher, OpenShift, CMake, Conan, GitLab CI/CD, SLURM
Explore Jobs