208 prototyping engineer jobs at 119 companies in Cotati, CA
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Sr. Prototyping Architect, AWS Prototyping and AI Customer Engineering (PACE)
Seattle or Santa Clara or Santa Monica or San Francisco or San Diego
$154k-$208k/yr OnsiteFull Time
7+ YOEExpertise in cloud architecture, 7+ years designing/implementing/consulting on applications and infrastructure; AWS certs preferred; strong software development and AI/prototyping experience.
AWS, Bedrock, SageMaker, Q Developer, Cursor, Kiro, Cline, Windsurf
1w
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Rapid Prototyping Software Engineer, Pixel
San Francisco, California, United States
$207k-$300k/yr OnsiteFull Time
8+ YOEBachelor's or equivalent, 8+ years software development, 5+ years testing/launching products, 3+ years software design/architecture and prototyping; Android and AI/ML experience preferred.
Android, AI/ML
2mo
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Senior Mechanical Design Engineer — Electric Motors
San Francisco, California, United States
$110k-$238k/yr OnsiteFull Time
3+ YOEMechanical engineering degree with 3+ years experience; strong CAD, 3D modeling; hands-on prototyping; hardware for outdoor/harsh environments; experience with motors or electromechanical systems preferred.
CAD, CNC, 3D Printing, FEA, Prototyping, Welding, Electrical wiring, Encoders
2w
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Prototype Engineer
San Francisco, California, United States
OnsiteFull Time
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
1mo
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Mechanical Engineer
San Francisco, California, United States
$110k-$140k/yr OnsiteFull Time
3+ YOEBS/MS in Mechanical Engineering, 3+ years engineering experience, structural design and FEA, CAD (Onshape/SolidWorks), DFM/GD&T, hands-on prototyping and manufacturing experience.
Onshape, SolidWorks, FEA, GD&T
2mo
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Hardware Systems Engineer
Cambridge or San Francisco
$105k-$150k/yr OnsiteFull Time
3+ YOEHands-on electro-mechanical hardware engineer with electronics, embedded firmware, and system integration experience; capable of bringing prototypes to shipping.
MCAD, ECAD, Embedded Firmware, System Architecture, PCB Design, C/C++
1w
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Mechanical Design Engineer
San Francisco, California, United States
OnsiteFull Time
Hands-on mechanical design and prototyping for durable, manufacturable robots; experience with bent sheet metal, cable routing, reliability engineering, and clear documentation.
Onshape
2w
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Electrical Engineer
Healdsburg, California, United States
$85k-$110k/yr OnsiteFull Time
0+ YOEBS or MS in engineering, experience across electrical design, PCB and harness work, prototyping, testing and system integration; U.S. citizenship, background screening, and DOT drug test required; security-investigation eligibility.
PCB, Oscilloscope, Logic Analyzer, Power Supply, Electronic Load, DMM, Signal Generator
2mo
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Mechanical Engineer II
Petaluma, California, United States
$82k-$116k/yr OnsiteFull Time
2+ YOEBachelors in Mechanical or Aerospace Engineering (or equivalent), 2+ years designing complex mechanical/electro-mechanical systems, SolidWorks/ANSYS proficiency, prototyping and ASME drawing standards experience.
SolidWorks, SolidWorks Simulation, ANSYS, SolidWorks EPDM, Microsoft Office, 3D printing
2w
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Product Systems Engineer
Alameda, California, United States
$110k-$140k/yr OnsiteFull Time
3+ YOEBachelor's degree in electrical or related engineering, 3+ years product/systems/sustaining engineering, prototyping/testing, system troubleshooting, ECO/ECR and RMA experience, bench test equipment familiarity.
Microsoft Office, CAD, AutoCAD, SolidWorks, JTAG, Oscilloscope, Logic Analyzer, I2C, SPI, UART
1mo
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Power Electronics Engineer
Petaluma or Austin
$80k-$189k/yr OnsiteFull Time
1+ YOEM.S. or Ph.D. in Electrical Engineering, hands-on power electronics design experience, familiarity with advanced power semiconductors and magnetics, ability to translate simulation to prototypes.
2mo
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Intern - Mechanical Engineer
San Francisco or Toronto
HybridInternship
Pursuing an engineering degree; experience designing robotics hardware, prototyping with microcontrollers and PCBs, strong CAD (Onshape/SolidWorks/Fusion360) and 3D printing skills, and interest in human-robot interaction.
Onshape, SolidWorks, Fusion360, microcontrollers, PCBs, 3D printing
3w
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Staff Mechanical Engineer, Integration
Berkeley, California, United States
$148k-$194k/yr OnsiteFull Time
8+ YOEBachelor's in Mechanical Engineering (or related) with 8+ years mechanical design experience; prototyping, thermal modeling, manufacturing optimization, vendor leadership, and interdisciplinary integration experience.
5d
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Mechanical Engineer, Vacuum Systems
Austin or San Francisco
OnsiteFull Time
2+ YOE2+ years mechanical/electromechanical design and hands-on prototyping experience; degree in engineering or physics; experience with vacuum/fluid hardware, pumps, valves, and thermal systems required.
2w
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frog, Mechanical Engineer
New York City or San Francisco
$113k-$213k/yr OnsiteFull Time
5+ YOEBS in Mechanical Engineering,5+ years mechanical design experience (consumer electronics preferred),SolidWorks and 3D CAD expertise,DFM/DFA and manufacturing process knowledge,prototyping and vendor documentation skills.
SolidWorks, 3D CAD
3w
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Senior Mechanical Engineer
San Francisco, California, United States
$150k-$215k/yr OnsiteFull Time
7+ YOEBachelor's in mechanical engineering or related, 7+ years product development experience with electro-mechanical hardware, Solidworks and FEA/ANSYS experience, hands-on prototyping, manufacturing/vendor experience, quality system familiarity.
Solidworks, FEA, ANSYS, CAD
1mo
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Electrical Engineer (Systems / Integration / Experimentation)
San Francisco or California
OnsiteFull Time
Hands-on electrical engineering for scanner system integration, debugging, experiment design for ultrasound/transducer characterization, board/prototype design, and signal processing knowledge.
Altium, KiCad
2w
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Hardware Engineer (Product / Systems)
San Francisco, California, United States
OnsiteFull Time
1+ YOEDegree in engineering or equivalent experience, 1+ year building hardware systems, depth in one domain (mechanical/electrical/firmware) and fluency across others, prototype-to-deploy experience.
CAD
3w
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Software Engineer (Frontend)
San Francisco, California, United States
OnsiteFull Time
Frontend engineering experience building production React/TypeScript UIs; familiarity with Node and Python; strong product design sensibility, prototyping skills, and experience shipping customer-facing software.
React, TypeScript, Node, Python, Figma
3mo
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Hardware Engineer
San Francisco, California, United States
HybridFull Time
6+ YOEBachelor’s or Master’s in Electrical Engineering or related field; 6+ years hardware experience; expertise in autonomous sensing, high-performance embedded compute, sensor integration; proficient in C/C++/Rust and Python; able to prototype, test, and deploy hardware software.
C/C++, Rust, Python, Linux, NVIDIA Jetson, LIDAR, Camera, Radar, GNSS, IMU, GMSL, FPDlink, PCIe, Ethernet, CAN, UART, SPI, RS232/422/485
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