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285 python r jobs at 138 companies in Castle Rock, CO

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Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
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
Help us #BeatIndeed & #BeatLinkedIn
1mo
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R&D Engineer
Littleton, Colorado, United States
$80k-$140k/yr OnsiteFull Time
Canopy Aerospace & Defense
Canopy Aerospace & Defense: Manufacturer of advanced thermal and signature-reducing aerospace materials.
3+ YOEB.S. in engineering or materials science, 3+ years hands-on hardware development and test experience, CAD and GD&T proficiency, experimental test and DAQ experience, Python familiarity, and ability to obtain US Secret security clearance.
CAD, GD&T, Python, data acquisition systems, COTS sensors, 3D printers, CNC machines, robotic systems, arc-jet, torch
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6d
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Senior R&D Software Engineer, Fivetran AI
Denver, Colorado, United States
$164k-$197k/yr HybridFull Time
Fivetran
Fivetran: Automates data movement into cloud data warehouses.
5+ YOE5+ years programming with Python and/or Java, experience with SQL and data warehouses, full-stack development, research-to-production prototyping, SRE/on-call responsibilities, and product-focused engineering.
Python, Java, SQL, dbt, Claude, ChatGPT, Gemini, vector databases, BigQuery, Snowflake, Databricks, MCP protocol, React, TypeScript, Postgres, Kubernetes, Docker, AWS, GCP
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1w
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R&D Engineer SW Quality 3
Broomfield, Colorado, United States
$91k-$146k/yr OnsiteFull Time
Broadcom
BroadcomNASDAQ: AVGO: Designs and sells semiconductors and infrastructure software to enterprises.
8+ YOEBachelor's in engineering, 8+ years software testing experience, strong automation (Python), Linux/Windows/VMware skills, networking and SAN knowledge, JIRA and REST API experience.
Python, Linux, Windows, VMware, JIRA, REST API, Claude Code, Gemini AI
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2mo
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R&D Software Engineer (Boulder, CO, US, 80301)
Boulder, Colorado, United States
$110k-$150k/yr OnsiteFull Time
Excelitas Technologies
Excelitas Technologies: Manufacturer of photonic solutions for sensing, detection, and imaging.
5+ YOEBachelor's in STEM; 5+ years professional C# programming; ability to translate requirements into software for production.
C#, WPF, ADO.NET, Entity Framework, WCF, MS SQL, TSQL, MVVM, Windows Services, MVC, JavaScript, Git, Visual Studio, VS Code, Python, C++
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1mo
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Analyst, Acoustics
White River Junction or Denver
$61k-$85k/yr HybridFull Time
Resource Systems Group
Resource Systems Group: Provides data analytics and modeling for transportation and planning.
1+ YOEBachelor's in engineering/math/science preferred,1+ years acoustics experience,field measurement and modeling skills,proficiency with Excel/R/Python,strong communication and analytic abilities.
CadnaA, TNM, Microsoft Excel, R, Python, SoundPlan, dBSea, ArcGIS, AutoCAD
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2w
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Assessment & Evaluation Manager
Boulder, Colorado, United States
$90k-$97k/yr HybridFull Time
University of Colorado Boulder
University of Colorado Boulder: Public research university offering undergraduate and graduate education programs.
3+ YOEBachelor's degree and 3+ years in higher education assessment or related fields; experience with mixed-methods evaluation, SQL/Python/R/SPSS, Tableau, and building data products.
SQL, Python, R, SPSS, Tableau, Qualtrics, Salesforce, GivePulse
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2mo
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Postdoctoral Researcher – Process modeling and sustainability analysis for lignin valorization
Golden, Colorado, United States
$77k-$126k/yr OnsiteFull Time
National Laboratory of the Rockies
National Laboratory of the Rockies: Conducts applied research in energy systems and technology innovation.
PhD in chemical engineering or related field; experience with chemical process development, Aspen Plus; statistical analysis; programming in Python or R; knowledge of LCA tools; biomass/lignin valorization.
Aspen Plus, Brightway, openLCA, SimaPro, Python, R
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2mo
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AI/ML Engineer
Littleton or Titusville
$133k-$234k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Bachelor's in a related discipline or equivalent experience; familiarity with AI/ML disciplines (NLP, anomaly detection, MCMC, predictive modeling); strong statistics; ability to implement algorithms; proficiency with Python/R/MATLAB (Python preferred); ability to obtain Top Secret clearance; US citizenship required.
Python, R, MATLAB, JIRA
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1w
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Graduate Scientist
Farmington Hills or Houston or Dallas or Golden or Exton
HybridFull Time
GHD
GHD: Global professional services firm specializing in engineering and architecture.
2+ YOEBachelor's in geology/environmental science, ≥2 years environmental consulting experience, familiarity with remediation software, programming (Python,R,JavaScript), Excel/SQL, and ability to perform field work up to 25%.
Python, R, JavaScript, Microsoft Excel, SQL, Survey123, ArcGIS Pro, ArcGIS Desktop, QGIS, ArcGIS Online, EVS, Leapfrog
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1mo
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Experience Prototyper/Lab Manager, Level 3 (Fixed Term)
Santa Monica or Los Angeles or Boulder
$118k-$176k/yr OnsiteFull Time
Snap
SnapNYSE: SNAP: Develops social media applications and augmented reality technology.
Bachelor's degree required (MA/PhD preferred). Experience running experimental studies, prototyping for AR/VR (Lens Studio, Unity), programming (object-oriented), and data analysis (MATLAB/Python/JMP/R).
Lens Studio, Unity, Psychtoolbox, PsychoPy, MATLAB, Python, JMP, R
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1mo
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Experience Prototyper/Lab Manager, Level 3 (Fixed Term)
Los Angeles or Santa Monica or Boulder
$118k-$176k/yr OnsiteFull Time
Snap
SnapNYSE: SNAP: Provides visual messaging software and augmented reality wearable devices.
Manage lab operations and human-subject vision studies; build rapid AR/VR prototypes (Lens Studio, Unity); program and analyze data (Matlab, Python, R); Bachelor's required (MA/PhD preferred).
Lens Studio, Unity, Psychtoolbox, PsychoPy, Matlab, Python, JMP, R
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1w
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Post-Doctoral Fellow
Aurora, Colorado, United States
$63k-$67k/yr OnsiteFull Time
University of Colorado
University of Colorado: Public research university providing higher education and healthcare services.
1+ YOEPhD in related field,≥1 year experience with post-mortem brain tissue or hIPSC cell culture, proficiency with R/python and command-line/HPC analysis, ability to document and present research, US work authorization required.
R, python, command line interface, high-performance computing clusters
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1mo
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Space Systems Analyst
Colorado Springs, Colorado, United States
$90k-$125k/yr OnsiteFull Time
Qualis
Qualis: Engineering and technical services for defense and space missions.
BS in STEM required; experience in OT&E and space systems (MILSATCOM, OPIR, pLEO, missile warning/tracking/defense, PNT); statistical/DoE experience and R or Python preferred; U.S. citizenship and active DoD Top Secret/SCI clearance required; 15–20% travel.
R, Python
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2mo
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Survey Operations Analyst I
Boulder, Colorado, United States
$70k-$78k/yr RemoteFull Time
YouGov
YouGovLondon Stock Exchange: YOU: Provides global public opinion data and market research services.
1+ YOEBachelor’s degree in Political Science, Economics, Psychology, Statistics, Data Science, or related field; 1+ year programming in Python or R; experience with large datasets using Python, R, SPSS; detail oriented; strong communication; comfortable working remotely.
Python, R, SPSS
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3mo
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Sr. Scientist
Lone Tree or Englewood
$125k-$172k/yr OnsiteFull Time
Sierra Nevada Corporation
Sierra Nevada Corporation: Develops mission-critical aerospace and national security technology systems.
10+ YOE10+ years in R&D with leadership; Bachelor's in Physics, Chemistry, Materials Science, or Engineering; MATLAB/Python coding; solid-state lasers experience; strong analytical and communication skills; ability to obtain/maintain a Secret U.S. Security Clearance.
MATLAB, Python, Ansys Zemax
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2mo
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Global Manager, Survey Science, Analytics & Programming (Lakewood, CO, US)
Lakewood, Colorado, United States
$154k-$193k/yr HybridFull Time
Terumo Blood and Cell Technologies
Terumo Blood and Cell TechnologiesTokyo Stock Exchange: 4543: Manufactures medical devices for blood and cell therapy processing.
10+ YOE4+ Mgmt10+ years in analytics/people analytics; strong leadership; NLP/sentiment analysis; Python/R; survey design; storytelling to executives.
Python, R, Tableau, Qualtrics, Shiny, Microsoft BI, LLM-based text analysis, CICD, DevOps, Data Visualization, NLP, Sentiment analysis
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2mo
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Model Risk Analyst
Denver, Colorado, United States
$85k-$95k/yr HybridFull Time
Sunflower Bank
Sunflower BankNASDAQ: FSUN: Provides full-service commercial, retail, and wealth management banking services.
1+ YOEBachelor’s in quantitative field; 1+ year in model development/validation or related; Excel/SQL/Python/R/SAS; strong communication.
Excel, SQL, Python, R, SAS
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2mo
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Strategy Analyst
Denver or Charlotte or Las Vegas
HybridFull Time
Libra Solutions
Libra Solutions: Provides financial funding and technology for legal settlement processes.
2+ YOE2-4 years analytics experience or Master's; strong analytics, modeling; Python/SQL/Excel; solving ambiguous problems; forecasting and budgeting; loan data; PowerBI/SAS/Python/R experience.
Python, SQL, Excel, PowerBI, SAS, R
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1mo
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Analyst II - Revenue Analytics
Denver, Colorado, United States
$62k-$86k/yr OnsiteFull Time
Frontier Airlines
Frontier AirlinesNasdaq: ULCC: Provides low-fare passenger air transportation services across the Americas.
1+ YOEBachelor's degree required (quantitative fields preferred), 1+ years data/analytics experience, professional use of SQL/Python/R and statistical software (SAS/R/MATLAB), big data experience, advanced Excel, Power BI/Tableau preferred.
SQL, Python, R, SAS, MATLAB, Microsoft Excel, Microsoft Power BI, Tableau
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5d
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High-Performance Computing Consultant III
Boulder, Colorado, United States
$111k-$139k/yr HybridPart Time, Temporary
UCAR
UCAR: Manages the National Center for Atmospheric Research for the NSF.
8+ YOEMaster's in computational science/atmospheric science/engineering and ~8+ years HPC software engineering experience; expertise with Fortran/C/C++, MPI, OpenMP/OpenACC/CUDA, Linux, Python, and GPGPU application development.
Fortran, C/C++, Python, Matlab, R, OpenACC, CUDA, MPI, OpenMP, Linux, NCAR Graphics, NCL, IDL, CESM, WRF
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