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
5d
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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
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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
1w
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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
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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
2mo
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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
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Postdoctoral Fellow, Department of Psychiatry
Richmond, Virginia, United States
OnsiteFull Time
PhD or MD in psychology, neuroscience, bioinformatics, or related quantitative field; Python or R programming; HPC experience; strong collaboration and professionalism.
Python, R, HPC
1w
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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
2mo
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Lab Technician, Fins and Limbs Lab - Biology
Charlottesville, Virginia, United States
$20-$22/hr OnsiteFull Time
2+ YOEAssociate's degree (or equivalent),2+ years lab experience,experience with animal husbandry,micro-CT work,ability to run R/LabVIEW/Python code,and strong data/metadata management.
micro-CT, R, LabVIEW, Python, Microsoft Excel, Microsoft PowerPoint, DICECT
1mo
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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
1mo
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Postdoctoral Research Associate
Charlottesville, Virginia, United States
$50k-$70k/yr OnsiteFull Time
PhD in a quantitative biological or computational field; strong Python and R programming; experience with Linux/Bash, HPC, Nextflow, and large-scale genomic/multi-omic analysis; strong statistics and communication skills.
Python, R, Linux/Unix, Bash, High-performance computing, Nextflow, PyTorch, scikit-learn, Version control
3w
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Hydrologist
Leesburg, Virginia, United States
RemoteFull Time
3+ YOESenior technical authority to design, test, and deploy operational hydrologic models; mentor staff; perform advanced data analysis and ensemble forecasting; strong programming (Python, R) and operational systems expertise.
SAC-SMA, HEFS, Python, R
3mo
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Operations Research Analyst
Dahlgren, Virginia, United States
OnsiteFull Time
3+ YOE3+ years in operations research/data analysis, bachelor\u0002s in operations research or related field, active TS/SCI clearance, experience with Monte Carlo and statistical techniques, proficiency with Python,R,VBA or MATLAB.
Python, R, VBA, MATLAB, PERT
2w
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AFSIM Simulation Analyst
Charlottesville, Virginia, United States
$68k-$144k/yr OnsiteFull Time
3+ YOETS/SCI clearance, accredited degree in physics/engineering/CS/applied math, 3+ years M&S experience with AFSIM, proficiency with C++, MATLAB, Python, R, strong technical writing and independent analysis.
AFSIM, ODESSA, C++, MATLAB, Python, R
2mo
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Senior Scientist, Personnel Health Research & Data Analytics
Alexandria, Virginia, United States
$100k-$110k/yr HybridFull Time
4+ YOEMaster’s degree; 4+ years post-graduate applied research; leadership and client-facing experience; proficiency with AI tools; experience with R, Python, Databricks, SQL; U.S. citizenship and ability to obtain gov’t clearance.
R, Python, Databricks, SQL, GitLab
4d
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Open-Source Intelligence Analyst
Charlottesville, Virginia, United States
$62k-$141k/yr OnsiteFull Time
6+ YOE6+ years OSINT collection and analysis experience, active TS/SCI clearance, DoD OSINT policy knowledge, advanced search and tradecraft, Bachelor's degree preferred, Python or R experience preferred, willingness to polygraph.
Python, R
2w
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AFSIM Simulation Analyst
Charlottesville, Virginia, United States
$68k-$144k/yr OnsiteFull Time
3+ YOEAccredited degree in physics/engineering/CS/applied math,3+ years M&S experience using AFSIM,TS/SCI clearance,proficiency in C++,MATLAB,Python,R,strong technical writing and analysis skills.
AFSIM, ODESSA, C++, MATLAB, Python, R
1mo
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Real World Biostatistician - RWE CMH experience
Canada or Connecticut or District of Columbia or Kentucky or Texas or Kansas or Illinois or Virginia or California or Tennessee or Massachusetts or Georgia or Florida or Louisiana or Indiana or Pennsylvania
RemoteFull Time
5+ YOEMS (required) in biostatistics/statistics/epidemiology (PhD preferred), ≥5 years RWD/RWE experience, EMR/claims expertise, programming in SAS/R/Python, SQL and OMOP knowledge, and proficiency with healthcare coding (ICD, NDC).
EMR, SAS, R, Python, SQL, OMOP, Sentinel, PCORnet, ICD, NDC, SNOMED, RxNorm, Microsoft PowerPoint
2w
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Research Analyst - Entry-Level STEM PhD
Alexandria, Virginia, United States
$113k-$277k/yr HybridFull Time
PhD in a technical STEM field, demonstrated research record, programming experience (Python, C/C++, R, MATLAB), ability to obtain TS/SCI clearance, US citizenship, and capacity to develop software and perform quantitative analysis.
Python, C/C++, R, MATLAB
3mo
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Senior Research Analyst
Arlington, Virginia, United States
HybridFull Time
PhD in social sciences or statistics with emphasis on research methods, or Master’s in applied statistics/economics with three years’ experience; strong statistical software skills (Stata; Python/R/GIS helpful); experience managing projects and junior researchers.
Stata, Python, R, GIS
3w
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Research Associate or Research Scientist - Ag. Economics and Remote Sensing
Blacksburg, Virginia, United States
$58k-$89k/yr HybridFull Time
Master's (Research Associate) or PhD (Research Scientist) in agricultural/applied economics or related quantitative field; proficiency in R or Python and version control (Git); experience with geospatial/remote sensing data preferred; strong communication and analytical skills.
R, Python, Git, Google Earth Engine, GitHub
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