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
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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
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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
2mo
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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
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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
2d
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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
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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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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
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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
1mo
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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, proficiency in SAS/R/Python, hands-on Medicare claims experience, track record of scientific writing, and U.S. work authorization (no visa sponsorship).
SAS, R, Python, STATA, SPSS, CMS Virtual Research Data Center, NIA LINKAGE
3w
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Senior Bioinformatics Scientist
Sparks, Maryland, United States
$96k-$153k/yr OnsiteFull Time
3+ YOEBachelor's in CS/Engineering/Bioinformatics/Statistics required; 3+ years experience; proficiency with Python, R, and SQL; strong communication, statistics, and data analysis skills; master's preferred.
Python, R, SQL
1w
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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
1w
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Senior Quantitative Investment Analyst – Retirement Research
Baltimore, Maryland, United States
$150k-$225k/yr HybridFull Time
5+ YOEMS in STEM or MBA,5+ years applied research experience,strong quantitative analysis skills,proficiency in MATLAB/Python/R,ability to communicate complex results to varied audiences.
MATLAB, Python, R
3d
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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
3d
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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
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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
3w
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Scientific Linux Researcher (51862)
Baltimore, Maryland, United States
$78k-$90k/yr OnsiteFull Time
Bachelor's degree in computer-related field required; skilled in Linux administration, data management and analysis; experience with Python, Linux/Unix, Bash, Git, and R; strong communication and organizational skills.
Python, Linux, Unix, Bash, Git, R
3d
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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
1mo
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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
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