📣 HiringCafe is hiring a Founding Growth Hacker! Learn More · Apply here
Limited-index browse page
Python Developer Jobs in Mayo, MD, US
4,100+ python developer jobs from 850+ companies hiring in Mayo, MD, US.
1mo
Save
Mark Applied
Hide
Principal Applied ML Researcher (Agentic Systems & Applied AI Platform)
Seattle or McLean
$230k-$300k/yr HybridFull Time
12+ YOELead ML/LLM strategy; 12+ years in production ML; strong Python and systems skills; enterprise AI delivery.
Python, Java, C++, Cloud, Containerization, APIs
1mo
Save
Mark Applied
Hide
Fall 2026 Robot Learning R&D Co-op
Bedford, Massachusetts, United States
$45-$60/hr OnsiteTemporary, Internship
0+ YOEPursuing MS or PhD in robotics/ML/CS; strong Python; PyTorch; C++; Linux/ROS; ML methods; internship.
Python, C++, PyTorch, Ubuntu Linux, ROS, Machine Learning, Deep Learning
4d
Save
Mark Applied
Hide
Research Assistant
Washington, District of Columbia, United States
$23-$23/hr OnsiteFull Time, Temporary
0+ YOEBachelor's degree; <1 year experience; 35 hours/week; temporary (1 year); Python, behavioral testing, data analysis.
Python, Linux, PyControl
6d
Save
Mark Applied
Hide
IT Specialist (APPSW)
Washington, District of Columbia, United States
$85k-$133k/yr OnsiteFull Time
Experience in IT software development, web applications; Python, Django/Flask; contributes to production-ready code.
Python, Django, Flask, SQL, PostgreSQL
1mo
Save
Mark Applied
Hide
Physical Scientist Technician I
Sterling, Virginia, United States
OnsiteFull Time
Bachelor's in meteorology or related field; upper air instrumentation; help desk experience; LabVIEW/MATLAB/Python; strong data analysis and reporting.
Excel, LabVIEW, MATLAB, Python, Ticketing systems, Instrumentation data interfaces
3mo
Save
Mark Applied
Hide
Policy and Data Analysis Intern (San Francisco)
San Francisco or Washington
$24-$26/hr OnsiteInternship
0+ YOEPursuing or completed degree in engineering, economics, policy, transportation, environment, or energy; strong data analysis with Python or R; good communication in English.
Python, R, Excel, Pandas, SciPy, NumPy, Matplotlib, tidyverse
1mo
Save
Mark Applied
Hide
AL/ML Research Scientist
Herndon, Virginia, United States
HybridFull Time
8+ YOEPhD preferred; strong Python and ML frameworks; TS/SCI with CI Poly; extensive experience in AI/ML research and government projects.
Python, PyTorch, TensorFlow, HuggingFace
2w
Save
Mark Applied
Hide
Post Doctoral Research Associate -1
Washington, District of Columbia, United States
$60k-$70k/yr OnsiteFull Time
PhD in Civil/Structural Engineering; expertise in structural health monitoring; experience with time-series data; MATLAB/Python; strong research and publication record.
MATLAB, Python, Machine Learning, Computer Vision, Time-series analysis, System identification, Signal processing
3w
Save
Mark Applied
Hide
Research Associate
Washington, District of Columbia, United States
OnsiteFull Time
Analytical thinker with energy policy/analysis skills; proficient in Excel and/or Python/R; strong written and verbal communication; willing to travel up to 10%.
Excel, Python, R, Stata
2w
Save
Mark Applied
Hide
Credit Model Development Quantitative Analyst II - Small Business and Home Secured (Hybrid - see potential locations in job description)
Buffalo or Bridgeport or Wilmington or Baltimore or Washington or New York City
$72k-$119k/yr HybridFull Time
1+ YOEBachelor’s degree and at least 1 year of quantitative modeling experience; strong Python, SQL; model development and data management skills.
Python, SQL, SAS, R
4w
Save
Mark Applied
Hide
Research Assistant, Economic Policy Studies
Washington, District of Columbia, United States
$50k-$54k/yr OnsiteFull Time
0+ YOEBachelor's in economics or mathematics; 0–2 years experience; proficiency in Stata, R, Excel; Python preferred; strong math/stats background; econometrics coursework.
Stata, R, Excel, Python
2mo
Save
Mark Applied
Hide
Librarian for Computational Theology
Sterling Div. Quad, Virginia, United States
$68k-$145k/yr HybridFull Time
2+ YOEStrong computational skills; programming in Python/JavaScript, XQuery; experience with digital imaging, AI, data workflows; excellent communication and project management; LMS experience preferred.
Python, JavaScript, XQuery, Jupyter, Observable, Google Colab
1w
Save
Mark Applied
Hide
Associate AI Security Resident
Washington or San Francisco or Santa Monica or Pittsburgh or Boston
$90k-$177k/yr HybridFull Time
1+ YOETechnical security/engineering background; leadership experience; programming in Python/Java/C/C++; threat modeling; strong communication; policy analysis; collaboration; MS Office.
Python, Java, C/C++, Threat modeling, MS Office
2w
Save
Mark Applied
Hide
Raising National Climate Ambition Intern
Washington, District of Columbia, United States
$20-$24/hr HybridFull Time, Internship
Bachelor’s degree completed or near completion; strong research and data analysis skills; experience with Excel/R/Python; effective written communication; familiarity with climate policy.
Excel, R, Python
1mo
Save
Mark Applied
Hide
Applied Mathematician/Analyst
Dahlgren, Virginia, United States
OnsiteFull Time
5+ YOEBachelor’s in math/physics; 5+ yrs in applied math; modeling, analytics, ML; software development
Python, Java, C/C++, MATLAB, R, JavaScript, Ada
1mo
Save
Mark Applied
Hide
Director of Polling
Washington, District of Columbia, United States
$100k-$110k/yr OnsiteFull Time
6+ YOEMaster’s degree or equivalent; 6-8 years in opinion research; full polling life cycle; data analysis with SQL, Python, or R; strong writing and visualization skills.
SQL, Python, R, Survey Methodology
1w
Save
Mark Applied
Hide
Data Manager
Washington, District of Columbia, United States
$111k-$125k/yr OnsiteFull Time
4+ YOE4–7+ years backend data development; SQL; ETL pipelines; Python; data modeling; API integrations.
SQL, Python, ETL, APIs, Salesforce, Tableau, MuleSoft, Zapier, Snowflake, dbt, Databricks, Power BI
1mo
Save
Mark Applied
Hide
Analyst IV - DOE (Onsite)
Washington, District of Columbia, United States
OnsiteFull Time
15+ YOETS/SCI or Q clearance; 15+ years RTES risk analysis; Bachelor's in RTES or related; Excel, Power BI, Python; leadership of analytical teams; strong risk reporting.
Excel, Power BI, Python
3w
Save
Mark Applied
Hide
CPAESS Scientist II
College Park, Maryland, United States
$71k-$92k/yr HybridFull Time
4+ YOEBackground in climate/weather forecasting, programming (Python/Fortran/MATLAB), data analysis, and bilingual English/Spanish or English/French; willingness to work in US locations including remote options.
Python, Fortran, MATLAB, Unix scripting, GIS
2d
Save
Mark Applied
Hide
Imagery Scientist - EO Expert-Job#779
Springfield, Virginia, United States
OnsiteFull Time
6+ YOE6+ years as an EO expert; TS/SCI clearance; experience with EO imagery, algorithms, Python, MATLAB, and Google Earth Engine; ability to communicate with technical and non-technical audiences.
Python, MATLAB, Google Earth Engine, Remote Sensing, Image Processing
1mo
Save
Mark Applied
Hide
Summer Research Assistant (Internship)
Washington, District of Columbia, United States
$25/hr HybridInternship, Full Time
0+ YOEPursuing a degree in economics, public policy, business, or data analytics; strong written/verbal communication; Excel/PowerPoint proficiency; Python/R a plus; internship suitable for entry-level candidates.
Microsoft Excel, PowerPoint, R, Python
3w
Save
Mark Applied
Hide
Junior Foreign Affairs Analyst
Washington, District of Columbia, United States
$85k-$110k/yr HybridFull Time
Master’s degree; active DOE Q or DoD Top Secret clearance; proficiency in GIS and Microsoft 365 tools; Python; strong organization and collaboration skills; hybrid work in Washington, DC.
ArcGIS, Power Automate, Power BI, Power Apps, Python, Microsoft Office Suite
3w
Save
Mark Applied
Hide
Research Assistant
Arlington, Virginia, United States
HybridFull Time
0+ YOEBachelor’s degree in social sciences; strong data skills; experience with quantitative data and statistics; proficient with Excel; familiarity with Stata/R/Python/SPSS preferred; ability to work independently and on a team.
Excel, Stata, R, Python, SPSS
2w
Save
Mark Applied
Hide
Applied AI ML lead
McLean or Wilmington
OnsiteFull Time
3+ YOELead AI/ML in cybersecurity; develop ML models; strong Python, PyTorch/Scikit-Learn; SQL; data analysis.
Python, Pandas, SQL, Data Visualization, Matplotlib, Seaborn, Plotly, PyTorch, Scikit-Learn, Jupyter, SageMaker Notebooks
3w
Save
Mark Applied
Hide
Research and Training Meteorologist for International Desks
College Park, Maryland, United States
$68k-$120k/yr OnsiteFull Time
1+ YOEMasters or higher in Meteorology or related; bilingual English/Spanish; strong communication; 1+ year operational meteorology or research; programming in Linux/Python; experience training materials; GIS/tools knowledge; statistics.
Python, Linux, Unix, ArcGIS, GEMPAK, Web programming languages
3w
Save
Mark Applied
Hide
Director, Economic Research
Washington, District of Columbia, United States
$110k-$115k/yr OnsiteFull Time
7+ YOELead economic research on banking sector; analyze data, build dashboards, present insights; 7+ years experience; strong Excel/PowerPoint and programming (R/Python) skills; degree in related field.
Excel, PowerPoint, R, Python
4d
Save
Mark Applied
Hide
Post Masters RA - Human-Earth Systems & Science
College Park, Maryland, United States
$81k-$105k/yr OnsiteFull Time, Temporary
Master's degree required within 24 months or within 8 months of hire; strong writing, communication, and teamwork skills; background in energy/environment research; programming experience in R/Python/C++.
R, Python, C++
2mo
Save
Mark Applied
Hide
Co-op - Computational Lab
Silver Spring, Maryland, United States
OnsiteMultiple Commitments Available
Enrolled in a Master’s or PhD program; onsite 40 hrs/week in Silver Spring, MD; modeling/simulation or ML skills; strong teamwork and communication; proficient in at least one of R, Python, Julia, MATLAB.
Python, R, Julia, MATLAB
2w
Save
Mark Applied
Hide
Strategic Research Fellow
Arlington, Virginia, United States
$26/hr HybridInternship
2+ YOEBachelor's degree; 0-2 years in research/strategy; strong analytic and writing skills; experience with data tools (Excel, R, Python, Tableau); proactive, curious, and able to engage leadership and external experts.
Excel, R, Python, Tableau
1mo
Save
Mark Applied
Hide
Operations Research Analyst
Arlington, Virginia, United States
$122k-$197k/yr OnsiteFull Time
Analyze complex defense programs using operations research methods; conduct studies; develop models; communicate findings to senior leaders.
R, Python, Excel, MATLAB, ArcGIS, AI/ML
3w
Save
Mark Applied
Hide
AI Safety Intern
Washington, District of Columbia, United States
$25/hr HybridFull Time, Internship
0+ YOECurrent student or recent graduate in environmental science/engineering, data science, policy, or related fields; strong quantitative skills; experience with data analysis, geospatial tools, and Python or R; interest in environmental justice and AI.
Python, R, Stata, Matlab, Tableau, QGIS, ArcGIS, GeoPandas, Folium
1w
Save
Mark Applied
Hide
NLP & Scientific Integrity Post-Doc
Rockville, Maryland, United States
$80k-$92k/yr OnsiteFull Time
PhD in NLP, computational linguistics, CS, information science, or related field; NLP publication record; strong Python and ML/NLP framework skills; experience with large text corpora and RAG; knowledge graphs; strong communication.
Python, PyTorch, Hugging Face Transformers, Git, GitHub, Docker, Kubernetes, CI/CD, Linux/Unix, AWS, PostgreSQL, Vector databases, Retrieval augmented generation, Knowledge graphs
1mo
Save
Mark Applied
Hide
Principal Applied ML Researcher (Agentic Systems & Applied AI Platform)
Seattle or McLean or United States
$230k-$300k/yr RemoteFull Time
12+ YOE12–15+ years in ML; Python plus systems languages; deep ML/LLM, prompt engineering, multi-agent orchestration; experience shipping enterprise AI; production ML lifecycle; regulated deployments; strong technical leadership.
Python, Java, C++, APIs, Cloud platforms, Docker, Kubernetes, LLMs, Agent orchestration, Memory management
2w
Save
Mark Applied
Hide
Credit Model Development Quantitative Analyst II - Small Business and Home Secured (Hybrid - see potential locations in job description)
Buffalo or Bridgeport or Wilmington or Baltimore or Washington or New York
$72k-$119k/yr HybridFull Time
1+ YOEBachelor’s degree plus 1 year quantitative modeling experience or 5 years education/work; strong Python; SQL; SAS/R; model development in credit risk.
Python, SQL, SAS, R
1mo
Save
Mark Applied
Hide
Network-based Anomaly Detection Researcher (5673)
Aberdeen, Maryland, United States
$90k-$120k/yr OnsiteFull Time
PhD in Engineering, Network Science, Neuroscience, CS, Statistics (MS considered); strong research in networks; publications preferred; proficient in Python/SQL/Julia; graph DBs or big data tools; multi-project management; US citizenship with security clearance.
Python, SQL, Julia, Neo4j, TigerGraph, Amazon Neptune, Apache Spark, Scala
2d
Save
Mark Applied
Hide
Sr Data Scientist
Baltimore or De Pere or Chicago or Kennett Square or Houston or Warrenville
$131k-$145k/yr HybridFull Time
5+ YOEPython-based data science, ML model development, generative AI, and end-to-end pipelines; Masters/PhD in quantitative field; nuclear/power data domain experience; strong ML/ statistics; proficient in Python/R/Scala/SQL.
Python, R, Scala, SQL, Spark, Hadoop, Databricks, Azure Data Factory
1mo
Save
Mark Applied
Hide
Network-based Anomaly Detection Researcher (5673)
Aberdeen, Maryland, United States
$90k-$120k/yr OnsiteFull Time
PhD in Engineering, Network Science, Neuroscience, Computer Science, Statistics, or related field; strong research on complex networks; publications preferred; programming in Python/SQL/Julia; graph databases or big data experience; US citizenship for clearance; ability to manage multiple projects.
Python, SQL, Julia, Neo4j, TigerGraph, Amazon Neptune, Apache Spark, Scala
2mo
Save
Mark Applied
Hide
Associate, Digital Data Analyst
Washington, District of Columbia, United States
$80k-$90k/yr HybridFull Time
1+ YOEAnalyze data, develop dashboards, and generate reports using BI tools; 1-3 years experience; Excel, SQL; Salesforce; Python a plus.
Business Objects, SAS, Salesforce, Microsoft Excel, SQL, Python
1mo
Save
Mark Applied
Hide
Senior Ontologist
Springfield, Virginia, United States
OnsiteFull Time
15+ YOEActive TS-SCI; 15+ years experience with PhD or 20+ years with BA/BS; proven ontology development, semantic tech, data modeling; DoD/IC experience preferred.
RDF, OWL, SPARQL, Python, Basic Formal Ontology (BFO), Common Core Ontologies (CCO)
1mo
Save
Mark Applied
Hide
Regional Assessment Program Evaluator Task Lead
Tampa or Washington
OnsiteFull Time
3+ YOEActive Top Secret clearance with SCI eligibility; 3+ years in a program evaluation role; experience evaluating interventions; proficient in statistical tools (R, Python, SPSS, SAS); AI/ML/NLP experience; field research and quasi-experimental methods; DoD/SOF environment exposure preferred.
R, Python, SPSS, SAS, AI/ML, NLP
HiringCafe market data
Python Developer Jobs market signals in Mayo, 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
4,100+
Hiring companies
850+
Fresh sample
58% new in 30d
Salary visibility
70% show pay
Companies appearing in this market
Howard UniversityAxiom ConsultantsBluePath LabsBowheadInstitute for JusticeKeybridgeM&T BankNational Fair Housing Alliance
Work location mix in visible results
Onsite: 29Hybrid: 20Remote: 1