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Prototyping Intern Jobs in California (NOW HIRING)

Simular

PhD Research Intern

Palo Alto, CA · On-site

PhD Intern Where multiple locations are listed for this role, the position may be based in any of ... Strong coding and prototyping skills in Python and ML frameworks (PyTorch/JAX) * Curiosity ...

Droyd Robotics

Mechanical Engineer Intern

San Francisco, CA · On-site

$22 - $29.75/hr

About the Role As a Mechanical Engineering Intern at Droyd, you will work hands-on on real robotic ... You will be expected to prototype, test, and refine designs alongside full-time engineers. This ...

StudyFetch

Product Intern

Beverly Hills, CA · On-site

$3.5K/mo

THE ROLE We're looking for a product intern to work closely with our product team on research, data analysis, and rapid prototyping. This is a hands-on, direction-heavy role: you'll be told what to ...

Bild AI

AI/SWE Intern

San Francisco, CA · On-site

$17.75 - $23.50/hr

Ship prototypes fast and iterate based on user feedback from contractors and architects * Build your intern project with sole ownership, from research to production We want * 0-to-1 builder, with ...

Solcoa Industries

Mechanical Engineering Intern

Alameda, CA · On-site

$21.25 - $28.50/hr

The Role - Mechanical Engineering Intern Join our hardware team and help turn designs into working ... You'll support reactor subsystem design in CAD, assist with prototype builds and testing, and keep ...

OpusClip

AI Research Intern

Mountain View, CA · On-site

AI Research Intern We're looking for an AI Research Intern to join our AI team and explore cutting ... Collaborate with product and engineering teams to rapidly prototype and ship new AI capabilities ...

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Prototyping Intern information

What does a prototyping intern do?

A Prototyping Intern assists in the design, development, and testing of early models or samples of products, often working closely with engineers and designers. Their responsibilities typically include creating physical or digital prototypes, conducting experiments, gathering user feedback, and helping refine product concepts. This role provides hands-on experience with various tools and technologies, and helps interns learn how ideas are transformed into tangible products. Prototyping Interns also gain valuable skills in problem-solving, collaboration, and project management.

What is the difference between Prototyping Intern vs Product Design Intern?

AspectPrototyping InternProduct Design Intern
Required SkillsPrototyping, CAD, basic design toolsDesign, user research, prototyping
Work EnvironmentDesign teams, R&D labsDesign teams, cross-functional teams
Industry UsageTech, manufacturing, consumer productsTech, consumer electronics, software

Prototyping Interns focus primarily on creating physical or digital prototypes to test concepts, often working with CAD or prototyping tools. Product Design Interns have a broader role, including user research, interface design, and overall product development. While both roles involve prototyping skills, Product Design Interns typically engage in a wider range of design activities within product development teams.

What are some common challenges a prototyping intern might face during their internship?

As a Prototyping Intern, you may encounter challenges such as rapidly iterating on designs based on feedback, managing multiple project deadlines, and learning to use new fabrication tools or prototyping software. Collaboration with engineers, designers, and product managers is frequent, requiring strong communication skills and adaptability. It's important to stay organized, proactively seek feedback, and be open to learning from both successes and setbacks to make the most of your internship experience.
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Prototyping Intern jobs near you
Infographic showing various Prototyping Intern job openings in California as of July 2026, with employment types broken down into 15% Internship, 1% As Needed, 50% Full Time, 29% Part Time, 3% Temporary, and 2% Contract. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution.

PhD Research Intern

Simular

Palo Alto, CA • On-site

Other

Re-posted 7 days ago

Job description

PhD Intern

Where multiple locations are listed for this role, the position may be based in any of those locations, with priority determined according to the order of listing.

What you'll do

As a PhD intern, you will:

  • Collaborate with research scientists to advance methods in:
    • Planning and RL for computer use (e.g. behavioral cloning, RL on model weights, RAG-based domain knowledge)
    • Multimodal grounding (e.g. vision-only models, tree search, hybrid methods with large models)
    • Reward/judge modeling (e.g. error analysis, human evaluation, training judge models)
    • User intent understanding (e.g. modeling vague queries, preference learning)
  • Contribute to building datasets, running experiments, and benchmarking results
  • Explore novel approaches and help derisk Simular's long-term technical roadmap
  • Document and communicate findings through internal reports or academic-style writing

You might be a fit if

  • Currently pursuing a PhD in Computer Science, Machine Learning, or related field
  • Research background in at least one of: Reinforcement learning, Large language/vision-language models, Computer vision and multimodal perception, Representation learning
  • Experience conducting experiments and publishing or preparing papers in top-tier conferences (NeurIPS, ICLR, ICML, CVPR, ACL, etc.)
  • Strong coding and prototyping skills in Python and ML frameworks (PyTorch/JAX)
  • Curiosity, initiative, and interest in bridging fundamental research with applied AI

Apply