PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
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
1w
Save
Mark Applied
Hide
Director R&D, US
Washington, District of Columbia, United States
HybridFull Time
10+ YOE3+ MgmtBuild and lead a cleared US R&D team, migrate platform to US GovCloud with federal compliance, hands-on cloud/DevOps and AI engineering experience, 10+ years software/devops experience and cleared-environment leadership.
Claude Code, GitHub Copilot, Cursor, Python, Go, Java, Kubernetes, Terraform, Palantir Gotham, Palantir Foundry, Palantir AIP, AWS GovCloud, Azure Government
5d
Save
Mark Applied
Hide
Director of R&D (Data Center Development)
Ashburn, Virginia, United States
$180k-$220k/yr RemoteFull Time
10+ YOEBachelors in EE/CE or related,10+ years electronic design/R&D in power systems,prototyping experience,proficiency with C/C++,MATLAB or Python,knowledge of power quality and metering,excellent communication.
C/C++, MATLAB, Python, Modbus TCP, OPC UA, MQTT, BACnet, IEC 61850, APIs, AI/ML, cloud platforms
2mo
Save
Mark Applied
Hide
Director (R&D)
Fairfax or Lexington or Beavercreek
$186k-$300k/yr OnsiteFull Time
15+ YOE8+ MgmtSenior R&D leader with TS/SCI clearance; 15+ years in related field; strong program and people leadership.
Java, C++, MATLAB, Python, Bash
2mo
Save
Mark Applied
Hide
Director of R&D
Washington, District of Columbia, United States
$170k-$200k/yr HybridFull Time
Prominent Edge: Software and geospatial services for government and commercial clients.
10+ YOE4+ MgmtSenior leadership in software, DevOps and cloud; GovCloud experience; federal compliance knowledge; customer-facing in government context.
Kubernetes, Terraform, GitOps, CI/CD, Python, Go, Java
1w
Save
Mark Applied
Hide
R&D Engineer Intern
State College or Reston
HybridPart Time, Internship
Undergraduate student studying engineering or related field with proficiency in Linux and programming (C, Python, bash, PowerShell); strong communication and teamwork; eligible for U.S. government security clearance.
Linux, C, Python, bash, PowerShell, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
1mo
Save
Mark Applied
Hide
Python (Mission) Data Scientist - TS/SCI + CI Polygraph Required
Washington or Maryland or Virginia
OnsiteFull Time
4+ YOEActive TS/SCI and CI polygraph, Master's in Data Science/Statistics/Mathematics (or related) with 4+ years data science experience; proficiency in statistical analysis, machine learning, data visualization, and Python or R.
Python, R, Jupyter, pandas, scikit-learn
2d
Save
Mark Applied
Hide
Year-Round Graduate Data Engineer Intern, DATA - R&S
Washington, District of Columbia, United States
HybridMultiple Commitments Available
0+ YOEEnrolled graduate student (graduating Aug 2027 or later); AWS, Python/R, SQL familiarity; strong quantitative skills; ability to work onsite in Washington, DC during summer; U.S. citizenship required.
AWS, Python, R, SQL, Microsoft Excel, Power BI
2mo
Save
Mark Applied
Hide
R&D Solutions Engineer
Arlington, Virginia, United States
OnsiteFull Time
10+ YOE10+ years in space mission analysis, orbital mechanics, or satellite operations; strong Python and STK skills; security clearance; leadership abilities.
Python, STK
2mo
Save
Mark Applied
Hide
Artificial Intelligence/Machine Learning (AI/ML) Engineer 1
Laurel, Maryland, United States
$176k-$282k/yr OnsiteFull Time
2+ YOETwo+ years in applied ML; TS/SCI with Poly active; Bachelor's in math, CS, or related STEM; Python/Java/C/R experience.
Python, Java, C, R
1w
Save
Mark Applied
Hide
Economist, People Experience and Technology Central Science
Arlington, Virginia, United States
OnsiteFull Time
PhD in economics required; experience with R, Stata, Python, and SQL; postdoctoral/consulting/government/academic research experience preferred; strong empirical and communication skills.
R, Stata, Python, SQL
1mo
Save
Mark Applied
Hide
Research Scientist - Aging and Disability Economics, Evaluation, and Public Health Surveillance
Chicago or Washington or Atlanta or Cambridge
$106k-$130k/yr HybridFull Time
PhD in a quantitative field; hands-on experience with Medicare or large administrative health datasets; proficiency in SAS, R, or Python; track record of scientific writing and analytic rigor.
SAS, R, Python, STATA, SPSS, CMS Virtual Research Data Center, NIA LINKAGE data enclave
1w
Save
Mark Applied
Hide
WBG Pioneer - Development Impact Intern
Washington, District of Columbia, United States
OnsiteInternship
Graduate student with strong quantitative skills; proficiency in Stata, R, or Python; experience with data cleaning, analysis, GitHub, and survey work (ODK) desirable; strong English communication.
Stata, R, Python, ODK, GitHub, Shiny
3d
Save
Mark Applied
Hide
WBG Pioneer - Bangladesh Climate
Washington, District of Columbia, United States
OnsiteInternship
3+ YOEEnrollment in a relevant master’s or PhD program, 3+ years relevant experience, strong quantitative and research skills, proficiency in Stata/R/Python, familiarity with GIS and AI/LLM tools.
Stata, R, Python, QGIS, ArcGIS, AI/LLM tools
2w
Save
Mark Applied
Hide
Research Assistant I - Pharmacology
Bethesda or Bethesda
$19-$25/hr OnsiteFull Time
0+ YOEBachelor's degree required, 0–2 years experience, knowledge of standard lab techniques, willingness to work with mice and rats, proficiency with Word and Microsoft Excel; R or Python a plus.
Microsoft Excel, R, Python
2d
Save
Mark Applied
Hide
Data Scientist 1 - TS/SCI w/poly
Laurel, Maryland, United States
$146k-$234k/yr OnsiteFull Time
5+ YOEBachelor's plus 5 years analyzing datasets and developing analytics with R, Python, SAS, or MATLAB; GPU-accelerated model experience; active TS/SCI clearance with polygraph required.
R, Python, SAS, MATLAB, SQL
1w
Save
Mark Applied
Hide
Student Research Assistant II _On-Campus FWS
Washington, District of Columbia, United States
$19-$20/hr HybridPart Time
Some applicable educational, technical, or professional experience required; training provided. Preferred coursework in economics/public policy/statistics and experience with Excel, GIS, SAS, Stata, EViews, R, or Python.
Microsoft Excel, GIS, SAS, Stata, EViews, R, Python
1mo
Save
Mark Applied
Hide
Research Data Scientist, Cybersecurity, Google Cloud
San Francisco or Reston
$147k-$211k/yr OnsiteFull Time
3+ YOEMaster's in a quantitative field (or PhD), 3+ years analytics/coding experience (Python, R, SQL), experience developing/deploying ML/AI models, security/fraud domain experience preferred.
Python, R, SQL
3d
Save
Mark Applied
Hide
Molecular Biology Senior Scientist
Ft Detrick, Maryland, United States
OnsiteFull Time
PhD in a related discipline, advanced experience in high-throughput screening/high-content imaging, proficiency with R/Python/Perl, assay development, data analysis, and technical leadership for multidisciplinary research.
Opera High Content Imager, Leica STED, 3D bioprinter, Genedata, Spotfire, Acapella, R, Python, Perl
2w
Save
Mark Applied
Hide
Fall Intern: Energy and Climate Policy
Washington, District of Columbia, United States
OnsiteInternship, Full Time
Conduct data compilation/cleaning, background research, fact-checking, drafting/editing, and tracking regulatory developments; proficient with spreadsheets; Python or R proficiency helpful; strong writing and attention to detail.
Python, R
1mo
Save
Mark Applied
Hide
Research Scientist, Demography and Survey Sciences
Menlo Park or Washington or New York City
$210k-$281k/yr OnsiteFull Time
15+ YOE15+ years quantitative research experience, degree in social or quantitative sciences, expertise in survey methodology, measurement and statistical inference, proficiency with Python/R and SQL, strong communication and project ownership.
Python, R, SQL, YouGov, Ipsos, Kantar, SSRS
Explore Jobs
Expand Your Job Search
Top Cities Near Leesburg for Python R
- Python R jobs in Washington, DC
- Python R jobs in Arlington, VA
- Python R jobs in Alexandria, VA
- Python R jobs in Frederick, MD
- Python R jobs in Gaithersburg, MD
- Python R jobs in Rockville, MD
- Python R jobs in Bowie, MD
- Python R jobs in Manassas, VA
- Python R jobs in Hagerstown, MD
- Python R jobs in College Park, MD
- Python R jobs in Winchester, VA
- Python R jobs in Laurel, MD
- Python R jobs in Herndon, VA
- Python R jobs in Greenbelt, MD
- Python R jobs in Fairfax, VA
- Python R jobs in Westminster, MD
- Python R jobs in Hyattsville, MD
- Python R jobs in Takoma Park, MD
- Python R jobs in Martinsburg, WV
- Python R jobs in Vienna, VA