📣 HiringCafe is hiring a Founding Growth Hacker! Learn More · Apply here
Junior Python Developer Jobs in Keystone, CO, US
25 junior python developer jobs from 13 companies hiring in Keystone, CO, US.
1w
Save
Mark Applied
Hide
AI Research Engineer (hybrid, junior career)
Fort Worth or Grand Prairie or Littleton or Sunnyvale
HybridFull Time
Bachelor’s degree in Engineering, Computer Science, or related field; experience with machine learning, computer vision, and deep learning libraries; proficient in Python; US citizen required for security clearance.
Python, PyTorch, TensorFlow, Keras, OpenCV, Scikit-learn, CUDA, OneAPI, Triton Inference Server, NVIDIA TensorRT
1w
Save
Mark Applied
Hide
Engineer II - Systems
Westminster, Colorado, United States
$79k-$135k/yr OnsiteFull Time
2+ YOEBS in Engineering plus 2+ years related test development experience; RF test and hardware/software integration; experience with MATLAB/Python/LabVIEW; ability to analyze test data and resolve anomalies; interim Secret clearance required to start.
MATLAB, Python, LabVIEW, Git, Keysight Network Analyzers, RF Measurement Tools
4w
Save
Mark Applied
Hide
Engineer II - Space Vehicle Systems – Simulators Software
Boulder, Colorado, United States
$79k-$135k/yr OnsiteFull Time
2+ YOEBS in Engineering with 2+ years related experience; TS/SCI clearance; experience with Matlab/Simulink, embedded coder, C/C++, Python; real-time simulations; Linux/VxWorks; software development lifecycle.
Matlab/Simulink, C/C++, Python, Linux, VxWorks, Git
1mo
Save
Mark Applied
Hide
Engineer I - Systems
Boulder, Colorado, United States
$70k-$143k/yr OnsiteFull Time
0+ YOEBachelor’s degree in STEM with 0-2 years experience; Python/MATLAB experience; hardware test equipment familiarity; US citizenship
Python, MATLAB, Oscilloscope, Spectrum Analyzer, Multimeter, Linux
4d
Save
Mark Applied
Hide
Forward Deployed Engineer I, GenAI, Google Cloud
San Francisco or Atlanta or Austin or Boulder or Cambridge or Chicago or Addison or Detroit or Irvine or Kirkland or Miami or New York City or Portland or Los Angeles or Reston or Seattle or Sunnyvale or Washington D.C.
$102k-$145k/yr OnsiteFull Time
1+ YOEBachelor's degree; experience in AI, Python/Typescript; cloud experience; applied AI knowledge.
Python, Typescript, Cloud Platform, LangGraph, CrewAI, Google ADK, RAG, MCP
4w
Save
Mark Applied
Hide
Engineer I - Space Vehicle Systems – Simulators Software
Boulder, Colorado, United States
$65k-$110k/yr OnsiteFull Time
4+ YOEBS in engineering required; 4+ years experience or equivalent; TS/SCI clearance; MATLAB/Simulink experience; C/C++, Ruby, Python; real-time simulations knowledge.
MATLAB, Simulink, Embedded C/C++, Python, Linux, GitLab
1w
Save
Mark Applied
Hide
Research Engineer - RF, photonic, mixed-signal
Boulder, Colorado, United States
OnsiteFull Time
0+ YOEBS or MS in Electrical/Computer Engineering or related field; US citizenship with ability to obtain security clearance; PCB design experience; high-speed digital/analog; Python/C/C++/MATLAB; SPI/I2C/UART familiarity; hands-on lab experience; travel willingness.
Python, C, C++, MATLAB, PCB design, Schematic capture, RF / mixed-signal design, FPGA, DSP, SPI, I2C, UART, lab instrumentation, VNAs, oscilloscopes, spectrum analyzers
4d
Save
Mark Applied
Hide
Machine Learning Engineer Intern (Boulder, US)
Boulder or Louisville
$23-$29/hr HybridInternship
0+ YOEMaster's in Computer Science or Data Science, or related quantitative field; strong ML background; Python and ML tools; production ML experience; NLP familiarity; cross-functional collaboration.
Python, pandas, scikit-learn
1mo
Save
Mark Applied
Hide
Postdoctoral Scholar - Mines NIST PREP Lead Data Infrastructure Engineer
Boulder or Golden
$71k/yr OnsiteFull Time
Doctoral degree in CS, statistics, physics, or related field; proven cross-disciplinary leadership; experience in scientific computing, data management, and ML; US citizen preferred.
Python, DevOps, Docker, Kubernetes, Linux, Bash, AWS, JSON, XML, HTML, JavaScript, CSS
1w
Save
Mark Applied
Hide
AI Engineering Intern
Boulder or Charlotte
$17-$25/hr OnsiteInternship
0+ YOEPursuing or recently completed BS/MS in CS/Engineering; strong Python; ML/AI familiarity; APIs and backend experience.
Python, APIs, Backend development, Machine learning, AI
3w
Save
Mark Applied
Hide
Computer Science Robotics Intern (Boulder, CO)
Boulder, Colorado, United States
OnsiteInternship
Undergrad/grad student in CS or engineering; experience with Linux, Git, C++, Python; strong collaboration and learning mindset.
Linux, Git, Command Line, C++, Python, Claude Code
2w
Save
Mark Applied
Hide
Scientist IV
Boulder, Colorado, United States
$99k-$129k/yr HybridFull Time
10+ YOESenior-level scientist with strong research design, data analysis, and collaboration skills; ability to lead projects and mentor junior staff; experience with longitudinal designs and risk communication research.
R, Python, SPSS
3w
Save
Mark Applied
Hide
Technology Integration Intern
Louisville, Colorado, United States
$20-$22/hr OnsiteInternship
Experience in a lab setting; knowledge of materials characterization; proficiency with data analysis tools; available to work up to 29 hours/week in summer.
ATR-FTIR, Rheometer, Potentiostat, Universal testing machine, SEM/EDS, DSC/TGA, EIS, CV, Python, MATLAB
2w
Save
Mark Applied
Hide
Atkinson Postdoctoral Science Fellow, Methane
Boulder or Washington D.C. or Boston or Raleigh or New York or San Francisco or Austin
$72k/yr RemoteFull Time
PhD in a related field; strong remote sensing, GIS, and machine learning; programming for data analysis; ability to work independently and across disciplines; Mandarin is a plus.
ArcGIS, QGIS, Python, R, Earth Observation, Sentinel, Landsat, Machine Learning
6d
Save
Mark Applied
Hide
Technical Intern 3
Littleton, Colorado, United States
$45k-$74k/yr OnsitePart Time
Undergraduate or graduate student in biology or related field; US citizen; off-site work at University of Colorado Boulder; available Tuesdays and Thursdays May 15–July 30; able to work independently or in a team; willing to participate in research with animal models.
LabVIEW, MATLAB, Python, Data acquisition systems
HiringCafe market data
Junior Python Developer Jobs market signals in Keystone, CO, 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
25
Hiring companies
13
Fresh sample
68% new in 30d
Salary visibility
88% show pay
Companies appearing in this market
BAE SystemsMicrochip TechnologyColorado School of MinesGoogleApplied Research AssociatesEnvironmental Defense FundLockheed MartinPickNik Robotics
Work location mix in visible results
Onsite: 21Hybrid: 3Remote: 1