1w
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frog Product Prototype Developer (Fixed Term)
San Francisco or Boulder
$72k-$135k/yr OnsiteFull Time, Contract
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
3mo
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Robot Prototype Technician
San Francisco, California, United States
OnsiteFull Time
2+ YOE2+ years prototyping technician experience; electromechanical assembly; soldering; CAD; diagnostics; teamwork.
SOLIDWORKS, Onshape, Soldering, Wiring, Oscilloscopes, Multimeters, PLCs
2w
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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
3mo
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Founding Design Engineer
San Francisco, California, United States
$160k-$200k/yr RemoteFull Time
Strong design and engineering skills; proven ability to prototype and ship; excellent communication and empathy.
Framer, Figma, Claude Design, Claude Code, Cursor
3mo
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Senior Mechanical Engineer
Oakland, California, United States
$70k-$150k/yr OnsiteFull Time
4+ YOEBachelor's in Mechanical Engineering with 4+ years of experience; CAD proficiency; design, analysis, and prototyping; strong problem-solving and communication.
CAD, SolidWorks, AutoCAD, Creo, FEA, CFD
3mo
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Mechanical Engineer
San Francisco, California, United States
OnsiteFull Time
BS/MS in Mechanical Engineering or related, hands-on hardware prototyping, CAD design, testing, and production experience; on-site in San Francisco; flexible, hands-on contributor.
CAD, PLM, Prototyping, Manufacturing
1mo
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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++
2w
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Thermal Engineer
San Francisco, California, United States
OnsiteFull Time
5+ YOEBachelor's in mechanical/chemical engineering,5+ years experience in single/two-phase heat transfer or refrigeration,thermodynamic analysis,hands-on prototyping,lab testing,CAD and simulation experience.
CFD, FEA, CAD
1mo
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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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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.
6d
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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.
3mo
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Mechanical Engineer (Hands Team)
San Francisco, California, United States
OnsiteFull Time
Strong mechanical engineering foundation; hands-on robotics experience; experience with complex assemblies, manufacturing processes; tendon-driven systems familiarity; sensor integration; prototyping.
CNC machining, Injection molding, Additive manufacturing, Stamping, Mechatronics, Tendon-driven systems, Sensor integration
2mo
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Product Design Mechanical Engineer
San Francisco, California, United States
HybridFull Time
Mechanical engineering expertise with hardware product experience; proficient in CAD; strong cross-functional collaboration; prototyping and testing.
Creo, OnShape
6d
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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
3w
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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
21h
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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
1w
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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
2mo
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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
2mo
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Hardware Systems Engineer
San Francisco or Cupertino
OnsiteFull Time
3+ YOEBachelor's in Electrical or Computer Engineering; 3+ years hands-on prototype and functional verification with electronics; proficient with lab equipment; strong coding/scripting (Python, Perl, Shell, Unix).
Electronic testing equipment, Scripting languages, Python, Perl, Shell, Unix, Digital multimeter, Oscilloscope, Spectrum analyzer, Signal generator, Power supply, Data logger
6d
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Forward Deployed Engineer
San Francisco, California, United States
$145k-$200k/yr OnsiteFull Time
Customer-facing engineering experience; configuring and orchestrating AI agents; strong communication; familiarity with web automation and AI tools; ability to prototype and solve complex technical challenges.
Selenium, Playwright, Cursor, Windsurf, Lovable
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