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778 prototype engineer jobs at 364 companies in California

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Prototype Engineer
San Francisco, California, United States
OnsiteFull Time
Physical Intelligence
Physical Intelligence: AI robotics developing foundation models and learning algorithms for robots and physically actuated devices.
Design and fabricate mechanical, electrical, and sensor prototypes; develop quick-turn PCBs and wiring; perform assembly, troubleshooting, and integration with control systems and firmware.
CAD, PCB
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Prototype Engineer
Los Angeles, California, United States
$95k-$130k/yr OnsiteFull Time
Observable Space
Observable Space: Vertically integrated U.S. space technology building optical systems for satellite communications, sensing, and in-space observation.
5+ YOERequires 5+ years in an engineering or machine shop, SolidWorks, CAM software, CNC operations, inspection, mechanical drawings, GD&T, and machining knowledge of common materials.
3D printers, CNC, SolidWorks, Mastercam, Fusion 360, Computer-Aided Manufacturing (CAM), Geometric Dimensioning and Tolerancing (GD&T)
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Prototype Engineering Lead
San Jose, California, United States
OnsiteFull Time
Etched
Etched: Private semiconductor startup building AI inference chips, racks, and software for frontier-model customers.
3+ YOE2+ MgmtStand up and run a prototype machine shop and SMT line, hire and lead technicians, and deliver same-day/next-day prototype part turnaround; 3+ years manufacturing experience and 2+ years leading technicians preferred.
CNC, ERP, MES, PCBA, SMT, AOI, X-ray
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Sr. Prototype Engineer
San Diego, California, United States
$75k-$90k/yr OnsiteFull Time
Ampa
Ampa: Private US neurotechnology developing TMS devices for clinicians treating depression and other mental-health disorders.
3+ YOE3+ years hands-on mechanical/hardware experience preferred; SolidWorks proficiency, soldering and bench-testing experience; strong troubleshooting, documentation, and data analysis skills.
SolidWorks
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Prototype Development Engineer
Long Beach, California, United States
$119k-$233k/yr HybridFull Time
Ford
FordNYSE: F: Global automotive manufacturer of cars, trucks, and mobility solutions.
5+ YOEBachelor's in engineering,5+ years hardware/test asset development experience, CAD/BOM/Electrical integration skills, ability to travel 0-15%, strong documentation and technician direction skills.
CATIA, 3DEXPERIENCE, SolidWorks, NX, Creo, Inventor, AutoCAD, EPLAN, DAQ, NI/PXI/cDAQ, CANalyzer, CANoe, Wireshark, VSPY3, Altium, Python, LabVIEW, C#, SCPI, VISA
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Prototype Development Engineer
Long Beach, California, United States
$119k-$233k/yr HybridFull Time
Ford
FordNYSE: F: Global automotive manufacturer of cars, trucks, and mobility solutions.
5+ YOEBachelor's in engineering (or equivalent),5+ years hardware/test-asset development experience, CAD and electrical test integration experience, familiarity with vehicle networks and test tooling,ability to travel 0-15%.
CATIA, 3DEXPERIENCE, SolidWorks, NX, Creo, Inventor, AutoCAD, EPLAN, NI/PXI/cDAQ, DAQ, CANalyzer, CANoe, Wireshark, VSPY3, Altium, Python, LabVIEW, C#, SCPI, VISA
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Senior Prototype Design Engineer
Sunnyvale, California, United States
$167k-$231k/yr OnsiteFull Time
42dot
42dot: Mobility AI developing software-defined vehicles and AI for Hyundai Motor Group.
6+ YOE6+ years experience in product design/rapid prototyping; Bachelor's or Master's in Mechanical Engineering, Industrial Design, HCI or related; proficiency with Figma, Protopie, vibe coding, Arduino; hands-on fabrication skills.
Figma, Protopie, vibe coding, Arduino, SolidWorks, Raspberry Pi
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frog Product Prototype Developer (Fixed Term)
San Francisco or Boulder
$72k-$135k/yr OnsiteFull Time, Contract
Capgemini Invent
Capgemini Invent: Invent is a management consultancy helping leaders transform organizations through strategy, technology, data, design, and engineering.
3+ YOEBS in Mechanical Engineering or equivalent hands-on experience; 3+ years fabrication/prototyping with softgoods or consumer products; 3D CAD, DFM/DFA, FAI, ASME Y14.5 familiarity; portfolio encouraged.
3D CAD, DFM, DFA, First Article Inspection (FAI), ASME Y14.5
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Electro-Mechanical Prototype Engineer, Amazon Leo OISL
Northridge, California, United States
$39-$69/hr OnsiteFull Time
Kuiper Systems
Kuiper SystemsNasdaq Global Select Market: AMZN: Developing a low Earth orbit satellite network to deliver high-speed, low-latency broadband internet connectivity.
5+ YOEAssociate's degree in electronics, electrical, manufacturing technology, or related STEM field, or equivalent experience; 5+ years building wire harnesses and electro-mechanical assemblies; electronics test equipment and ESD lab experience.
oscilloscopes, power supplies, function generators, Rapid Harness, DVMs, hi-pot testers, hand soldering stations, DMC crimp tools
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Hardware Prototype Engineering Technician, DoorDash Air
San Francisco or New York City
$45-$66/hr OnsiteFull Time
DoorDash
DoorDashNYSE: DASH: Technology enabling local on-demand delivery and commerce.
5+ YOERequires 5+ years of hands-on technical experience, prototype assembly, wiring harnesses, schematics, soldering, diagnostics, shop tools, inventory management, lifting 40 lbs, and a valid U.S. driver's license.
3D printers, Python, Linux, Solidworks, Onshape, Arduino, Raspberry Pi, LiDAR, radars, cameras, PCB
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2mo
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ADAS Hardware Engineer - Prototype Vehicle Build
San Jose, California, United States
$155k-$160k/yr OnsiteFull Time
Bertrandt
BertrandtFrankfurt Stock Exchange: BDT: Engineering and technology consulting for the mobility sector.
3+ YOEBSc in engineering, 3+ years prototype vehicle or hardware integration experience, hands-on workshop build experience, CAD and electrical schematic proficiency, familiarity with wiring harnesses, CAN/Ethernet, JIRA, ability to travel occasionally, valid CA driver’s license.
JIRA, CAD, CATIA, NX, CAN, Ethernet
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Sr. Prototype Development Technician
Newark, California, United States
$42-$58/hr OnsiteFull Time
Lucid Motors
Lucid MotorsNASDAQ: LCID: Electric vehicle manufacturer and advanced powertrain technology developer.
Requires 7+ years of experience, including 4+ years as a luxury automobile technician, Automotive Technology degree or ASE certification, fabrication or race-team experience advantageous, and willingness to travel and work overtime.
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Rapid Prototyping Engineer
San Francisco, California, United States
$123k-$139k/yr OnsiteFull Time
Tacit
Tacit: Deep-tech startup developing wearable neurotechnology and audio hardware for consumer human-computer interaction.
2+ YOEBachelor's degree in engineering and 2+ years in prototyping, R&D, or hardware development. Requires CAD, PCB, soldering, electromechanical troubleshooting, rapid prototyping, fixture design, and NPI/NTI/R&D experience.
Onshape, SolidWorks, Fusion 360, PCB, FDM, SLA, CNC, Python
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Silicon Prototyping Engineer
Cupertino, California, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designing and manufacturing consumer electronics, software, and digital services.
Hiring engineers at multiple experience levels to join the prototyping team to help deliver high-quality functional products to customers.
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Senior FPGA Prototyping Platform Engineer
Santa Clara, California, United States
$168k-$311k/yr OnsiteFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Computing platform for AI and accelerated graphics.
7+ YOEBS in Electrical/Computer Engineering with 7+ years FPGA prototyping or MS with 5+ years; strong FPGA prototyping, lab, and debugging skills.
Synopsys Protocompiler, Xilinx Vivado, ChipScope, Oscilloscopes, Logic Analyzers, Protocol Analyzers
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Mechanical Engineer - Prototyping
San Carlos, California, United States
$175k-$215k/yr OnsiteFull Time
1X Technologies
1X Technologies: Private AI and robotics developing humanoid home robots for household assistance.
5+ YOE5+ years in mechanical engineering, product development, prototyping, or hands-on hardware development; mechanical CAD and design skills; manufacturing knowledge; project management experience; bachelor's degree or equivalent practical experience.
Mechanical CAD, 3D printing
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Senior Research and Prototyping Engineer
Los Angeles, California, United States
OnsiteFull Time
Arcturus
Arcturus: Materials-science startup developing carbon nanomaterial-infused metals for electric motors, thermal systems, data centers, and power infrastructure.
3+ YOEHands-on prototyping and hardware engineering; CAD design; electrical test support; strong documentation.
CAD (Onshape), Machining, 3D Printing, Sensors, DAU/data acquisition, Basic electronics, Lab instrumentation
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Mechanical Engineer
San Diego, California, United States
OnsiteFull Time, Contract
Unlimit Ventures
Unlimit Ventures: San Diego venture studio and product engineering firm building hardware startups for entrepreneurs and corporate innovation teams.
2+ YOEBachelor's in mechanical engineering, 2+ years mechanical engineering experience, proficiency with SolidWorks/AutoCAD, CAD modeling, simulations, prototype development, and manufacturing knowledge.
SolidWorks, AutoCAD
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Mechanical Engineer
San Francisco, California, United States
OnsiteFull Time
Nudge
Nudge: Private neurotechnology developing non-invasive focused-ultrasound brain-interface devices for medical and everyday use.
Mechanical Engineering degree or equivalent experience, strong engineering or physics fundamentals, exceptional CAD and rapid prototyping proficiency, and demonstrated exceptional technical contribution.
CAD
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Staff Hardware Engineer, Prototyping
San Francisco, California, United States
$188k-$274k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOG, GOOGL: Global technology specializing in internet-related services and products.
6+ YOEBachelor's in EE/CE/Physics or equivalent,6+ years hardware/prototyping experience,3+ years technical leadership,EMR not relevant,experience in system architecture, rapid prototyping, hardware design.
Android, CAD
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