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Junior Python Developer Jobs in Mountain House, CA, US
540+ junior python developer jobs from 250+ companies hiring in Mountain House, CA, US.
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Intern - Validation Strategy AI/ML
San Jose, California, United States
$56/hr OnsiteFull Time
Pursuing a bachelor’s or master’s degree in CS, Data Science, ECE, or related field; Python with NumPy/pandas/scikit-learn; strong ML fundamentals; analytical skills; collaborative mindset.
Python, NumPy, pandas, scikit-learn, TensorFlow, PyTorch
1d
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AI Intern – Scenario Analysis
Santa Clara or Mountain View
OnsiteInternship, Full Time
Python, SQL, data analysis; ML pipelines, clustering, classification; embedding models, vector search, RAG; strong analytical thinking; interest in autonomous driving/ multimodal ML/VLA.
Python, SQL, Machine Learning, Vector Search, RAG, Prompt Engineering
4w
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Computational Drug Discovery Intern (2026)
Emeryville, California, United States
$2k/wk OnsiteInternship
0+ YOEPursuing BS/MS in a quantitative field; Python for data analysis; ML model experience; research background; version control; biology coursework; strong communication; adaptability (week-to-week work).
Python, Pandas, Numpy, Scikit-learn, Git, RDKit, DeepChem, Databricks, Spark, Airflow, SQL, APIs
1mo
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Research Science Intern, Financial Innovation Lab
Santa Clara, California, United States
$40-$50/hr OnsiteInternship
PhD or PhD candidate in CS/Engineering/Math/Quantitative Finance; strong data science/AI experience; Python proficiency; ability to work with big data and collaborate; interest in publishing/patents.
Python, Data Science Libraries, Machine Learning, Time Series
1mo
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Summer 2026 - Computational Lithography / Patterning Intern(7352) (San Jose, CA, US)
San Jose, California, United States
$44-$50/hr OnsiteFull Time, Internship
Pursuing PhD in Physics, Applied Mathematics, Electrical Engineering, Computer Science, or related field; strong programming in C/C++, Fortran, Python; analytical and self-driven; optics/electromagnetism knowledge a plus; good communicator.
C, C++, Fortran, Python
3w
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Research Intern, Machine Learning
New York or San Francisco
$4k-$12k/mo OnsiteInternship, Full Time
PhD candidate in ML/CS/Computational Biology; strong deep learning background; Python proficient; experience with large datasets; publications in top venues; able to work 20+ hours/week for 12–24 weeks.
PyTorch, TensorFlow, Python
22h
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Computer Vision Research Intern
San Jose, California, United States
OnsiteInternship
Deep understanding of CV/ML fundamentals; strong Python and PyTorch; proven CV research with at least one publication; strong written and verbal communication; ability to work independently; PhD student in CS/ML or related field.
Python, PyTorch
1w
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Vision Foundation Model Research Intern
Mountain View, California, United States
$58/hr OnsiteInternship
Master’s student in CS or related field; PhD preferred. Proficient in Python with PyTorch or Jax. Experience with training foundation models across multiple nodes. Interest in robotics applications and/or built robotics hardware. Strong debugging, training, and communication skills.
Python, PyTorch, Jax
5d
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AI/ML Internship
Santa Clara or Paris
HybridInternship
Enrolled PhD student in CS/EE/Data Science; strong stats, signal processing, and AI/ML; deep learning experience; Python with ML libraries; MATLAB; able to collaborate across time zones; 3-6 month internship.
Python, scikit-learn, PyTorch, JAX, MATLAB
3w
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SQA Test Automation Internship
Santa Clara, California, United States
$23-$28/hr OnsiteInternship
Pursuing/recent degree in CS/CE/EE or related field; programming in C# or Python; knowledge of software testing, test automation, CI/CD; experience with Git; strong problem-solving and communication.
Git, Selenium, pytest, NUnit, Robot Framework, Jenkins, Azure DevOps, GitHub Actions, CI/CD
1mo
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Firmware Intern
Redwood City or Palo Alto
$33/hr OnsiteFull Time, Internship
Experience programming with hardware in real-world settings; fluent in C/C++ and Python; low-level driver development; readable PCB schematics; strong debugging and communication skills.
C, C++, Python, RTOS, Driver Development, PCB Schematics
1mo
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Safety Research Internship (Spring/Summer 2026)
San Francisco or Toronto or Montreal or London
RemoteFull Time, Internship
Pursuing a PhD in ML/NLP or related field; eligible for work authorization; experience with large-scale distributed training, data annotation/evaluation pipelines, or state-of-the-art ML models; proficient in Python and ML frameworks; strong communication and problem-solving skills.
Python, C, C++, Lua, JAX, PyTorch, TensorFlow
22h
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Robotic Support Specialist
San Francisco or California
$90k-$110k/yr OnsiteFull Time
1+ YOEProvide onsite robotic operations support; triage, troubleshoot, document, and escalate issues; assist in deployment and maintenance of deployed robotic fleet.
Bash, Python, JavaScript, Linux, ROS, APIs
1mo
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Intern - Firesim Development
Berkeley, California, United States
HybridFull Time
Currently enrolled in a Bachelor’s, Master’s, or PhD program; hardware knowledge (RTL/FPGA); software skills (C/C++, LLVM/CIRCT); strong communication.
C, C++, Verilog, Chisel, LLVM, CIRCT, Python
3w
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Internship - Robotics
San Jose, California, United States
OnsiteInternship
Pursuing a Master’s or PhD in software engineering, computer science, or machine learning with a robotics focus; undergrad EE/physics preferred; at least one year of graduate study remaining; strong independence and teamwork.
Python, TensorFlow, Machine Learning, ROS, C++
3mo
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Full-Stack Engineering Intern
San Francisco, California, United States
OnsiteInternship
0+ YOEPursuing or recent graduate; interest in building scalable data-driven agents; backend/infra pro; able to work onsite in San Francisco; strong product sense; shipping production code; comfortable with frontend.
TypeScript, React, Chakra UI, TanStack Router, TanStack Query, Vite, Python, FastAPI, Pydantic v2, SQLModel, Postgres, pgvector, dagster, Langfuse, Pydantic AI
4d
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Infrastructure Apprentice
South San Francisco, California, United States
$70k-$80k/yr OnsiteFull Time
Apprentice in data infrastructure/software; build pipelines, HPC workflows; collaborate with platform and data teams; full-time, salaried; located in South San Francisco.
Google Cloud, Containerization, HPC, Python, Workflow orchestration, Biotech data analysis
4d
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MBA Intern_NexBreak Venture (Product Engineering)
Mountain View, California, United States
$40-$60/hr OnsiteInternship
3+ YOEMBA or advanced degree; CS/Engineering background; 3+ years software/ML experience; founder mindset; strong communication; MBA preferred.
Python, Machine Learning, Prototyping, Product Development, Data Analysis
2mo
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Game Art Intern (Technical)
Hong Kong or San Jose
OnsiteInternship
0+ YOEPursuing a technical or creative degree with interest in computer graphics; basic coding; familiarity with Blender/Maya/Unity; solid math foundation.
Blender, Maya, Unity, Unreal Engine, C#, Python, HLSL, GLSL, Git
3w
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Enterprise AI Intern
Redwood City, California, United States
HybridInternship
0+ YOEPursuing BS or MS in CS/AI/Data Science; penultimate year; available for summer 2026; interest in data center providers and AI; able to work full-time in Northern California, Dallas, or DC; strong communication; collaborative.
Python, REST, GraphQL, LangChain, AutoGen, CrewAI, Google BigQuery
1mo
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Software Intern
Hercules, California, United States
$25/hr OnsiteInternship
0+ YOEPursuing a BS or MS in CS/Bioinformatics/Software Engineering; TypeScript/React experience; knowledge of LLMs and REST APIs; cloud familiarity (AWS/Azure); strong communication; 3.0+ GPA; 40 hours/week for 9 weeks; located in or willing to work in Hercules, CA.
TypeScript, React, REST APIs, Python, Node.js, AWS, AzureActiveDirectory, AWSCognito
5h
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Machine Learning Computer Vision Intern
Redwood City, California, United States
OnsiteTemporary
Pursuing Bachelor's or Master's in Computer Science/Engineering with hands-on computer vision and PyTorch experience. Industry experience not required but preferred.
PyTorch, C++, YOLO, R-CNN, Transformers, Python, Computer Vision
1w
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AI Robotics Researcher Intern (Dexterous Manipulation)
San Jose, California, United States
$38-$46/yr OnsiteFull Time, Internship
0+ YOEPursuing a Master’s or Ph.D. in Robotics/CS/AI with strong background in robot learning, RL/imitation learning, world modeling, and transformers. Experience with ROS/ROS2, PyTorch/JAX/TensorFlow; dexterous manipulation; Python programming.
ROS, ROS2, MuJoCo, Isaac Sim, PyBullet, PyTorch, JAX, TensorFlow
1mo
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AI in Residence
South San Francisco or Seattle or London
$10k-$15k/mo HybridInternship, Full Time
Recent MS or PhD in ML/AI or related fields; strong publications or artifacts; ability to lead technical work; interest in translating research to deployable AI for therapeutics.
Python, PyTorch, TensorFlow, scikit-learn, Jupyter
3w
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Internship
Palo Alto, California, United States
OnsiteFull Time, Internship
1+ YOEPursuing wet-lab experience, curiosity about AI in biology, coding fundamentals; 1+ year wet-lab research; on-site internship in Palo Alto; paid.
Python, Machine Learning, Bioinformatics
2mo
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Postdoctoral Fellow - Computational Biology & Medicine - Jhunjhunwala Lab
South San Francisco, California, United States
$110k-$120k/yr OnsiteFull Time
0+ YOEPhD in Computational Biology or Computational Science; strong ML experience; publications; expertise in single-cell sequencing and multi-omics; excellent communication.
Python, R, Deep learning frameworks, TensorFlow, PyTorch, Single-cell sequencing, Multi-omics
2mo
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Research Associate - Palop Lab
San Francisco, California, United States
$58k-$67k/yr OnsiteFull Time
Bachelor’s in biological sciences, neuroscience, or bioengineering; neuroscience research interest; collaborative and independent work ability; strong organization and communication; project management motivation.
ImageJ, Excel, Prism, Python, MATLAB, SPSS
1mo
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Applied Researcher I (AI Foundations, LLM Customization, Finetuning, Reinforcement Learning)
McLean or Cambridge or New York or San Jose
OnsiteFull Time
PhD in Electrical/Computer Engineering, Computer Science, AI, Mathematics, or related fields; or MS with 2+ years applied research experience; expertise in AI foundations, LLMs, finetuning, RL; strong publications and open-source contributions.
Python, PyTorch, AWS, Hugging Face, Lightning, VectorDBs
2mo
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Postdoctoral Fellow, Kelley Lab - Gene Regulation Machine Learning
South San Francisco, California, United States
$95k/yr OnsiteFull Time
PhD in a relevant scientific or computational field; strong research record; onsite 5 days/week; excellent communication; able to lead and collaborate; proficient in data analysis.
Python, R, Machine Learning, Genomics
2w
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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
4w
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Data Science Faculty Position
Stanford, California, United States
OnsiteFull Time
Open-rank faculty role in AI/data science for anesthesia; requires PhD or MD; research and teaching expected.
Python, Machine Learning, AI frameworks, Data analysis tools
2mo
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Photonic Integrated Circuit (PIC) Researcher
Santa Clara, California, United States
$184k-$307k/yr OnsiteFull Time
Ph.D. in photonics, electrical engineering, optics, or physics; strong fundamentals in optical waveguide theory; PIC simulation, layout, and hardware characterization experience; strong English communication; collaborative, self-motivated.
PIC layout tools, RSoft, Lumerical, Tidy3D, IPKISS, KLayout, Python
3mo
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Research Intern - Applied Speech Research
Berkeley or Burlington
$7k-$13k/mo OnsiteInternship
Accepted or currently enrolled in a PhD program in Computer Science or related STEM field.
Python, Machine Learning, Research Tools
2w
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Research Intern
Mountain View, California, United States
RemoteFull Time
Undergrad in physics, atmospheric/climate science, computer science, data science, mathematics, engineering, or related fields; strong interest in machine learning; US citizen or permanent resident; current undergraduate.
Python, Machine Learning, Data Analysis, Climate Modeling
2mo
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Engineering - EDA Algorithm
Palo Alto, California, United States
OnsiteFull Time
Develop and optimize next-generation EDA algorithms across synthesis, placement & routing, PPA optimization, timing/power analysis, and signoff loops; hands-on engineering and research with production-grade tooling.
EDA Tools, Python, C++
5d
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Process Development & Data Analytics Intern, Summer 2026 (CA)
San Carlos, California, United States
$20/hr OnsiteInternship
Intern will analyze data, track metrics, build dashboards, and communicate insights.
Excel, JMP, Python
HiringCafe market data
Junior Python Developer Jobs market signals in Mountain House, CA, 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
540+
Hiring companies
250+
Fresh sample
58% new in 30d
Salary visibility
55% show pay
Companies appearing in this market
CohereFuturewei TechnologiesAnalog DevicesBio-Rad LaboratoriesCalicoCapital OneCelLinkChef Robotics
Work location mix in visible results
Onsite: 30Hybrid: 4Remote: 4