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Hardware Prototype & Test Engineer

San Francisco💼 Full-time🗓 2026-05-26 → 2026-09-26

Core

Lead end-to-end hardware testing, validation, and prototyping for advanced sleep fitness products, including building physical prototypes, running stress experiments, and debugging electromechanical systems.

Role type

Senior Hardware Prototype & Test Engineer

Builds

Physical prototypes, automated test systems, and custom test fixtures for sleep fitness hardware

Domain

Consumer electronics / Sleep technology / Hardware systems

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

Hardware test engineering, integrated systems testing, hands-on prototyping (mechanical/electrical), 3D modeling, Python, PCB bring-up and debug, soldering/wiring, hardware communication protocols (I2C, SPI), data logging, hardware automation, root cause analysis

Preferred skills

MS degree, experience with manufacturing support in Asia, travel to China

Technologies

Python, C#/WPF, Solidworks, ProEngineer, Arduino, git, github, command line scripting, Homebrew, apt

Responsibilities

Design and run experiments to validate new hardware designs; Develop and maintain automated test applications and GUIs; Prototype complex electromechanical systems using 3D printing and machining; Collaborate with mechanical, electrical, and software engineering teams; Architect and implement data visualization and test result reporting; Design, build, and deploy custom physical test fixtures and jigs; Perform hands-on root cause analysis and debug of electrical and mechanical failures

Seniority

Senior, hands-on IC

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