Hardware Validation Engineer

Mashgin powers the world's best checkout experience for over 40 million users. Customers just place their items on our kiosks and our AI rings up their entire order in less than a second. With Mashgin, lines are now optional.

Mashgin's technology powers over 1 billion transactions at your favorite locations, including over half of all US professional sports teams, 4,000 convenience stores, major airports, universities, and more.

We’re not just building cutting-edge AI—we’re creating real-world impact and unforgettable experiences. Backed by a well-funded Series B, we’re also one of the rare AI startups that’s already profitable.

Our secret? A culture of extreme ownership, autonomy, and customer obsession. At Mashgin, we are building something extraordinary by challenging conventional wisdom. We’ve thrown out the old rules to focus on what truly matters: creating a kickass product that makes people say, 'Wow'. We don’t care about short-term wins; we build systems that stand the test of time. If you thrive in a culture of excellence without compromise and want to see your work have an immediate, remarkable impact, you’re in the right place.

Mashgin is seeking a Hardware Validation Engineer to support validation and qualification of our custom hardware platforms and checkout systems. You will work closely with senior engineers to execute validation plans, build and automate test setups, troubleshoot hardware issues, and document results.

This is a hands-on role covering both component and system-level testing across compute platforms, cameras, USB devices, power systems, networking, and other peripherals.

This is a hybrid role that requires you to be onsite at least 2 days a week in San Jose, CA.

- Executing functional, performance, stress, thermal, and reliability validation tests
- Building and maintaining hardware test setups and automated test tools
- Developing Python or similar scripts for test automation, data collection, and hardware communication
- Troubleshooting hardware and hardware/software integration issues
- Using lab equipment such as oscilloscopes, multimeters, power supplies, and logic analyzers
- Reviewing datasheets, specifications, and schematics to understand test requirements
- Reproducing failures, collecting data, and supporting root-cause analysis
- Testing new hardware revisions, supplier samples, and component changes
- Documenting test procedures, results, failures, and validation reports
- Maintaining hardware configuration and validation records
- Supporting prototype builds, pilot builds, and field testing as needed
- Collaborating with hardware, software, manufacturing, suppliers, and other engineering teams

- Bachelor’s degree in Electrical Engineering, Computer Engineering, or related field
- A minimum of 2 years of experience in hardware validation, test engineering, or related work; relevant internship or project experience is welcome
- Hands-on experience testing and troubleshooting electrical or computer hardware
- Ability to read datasheets, technical specifications, and basic schematics
- Experience with common lab equipment such as oscilloscopes and multimeters
- Basic programming or scripting experience, preferably Python
- Comfortable working with Windows and/or Linux
- Strong troubleshooting, documentation, and communication skills

- Experience with hardware validation, reliability, manufacturing test, or system integration
- Familiarity with USB, serial communication, Ethernet, Wi-Fi, and other hardware interfaces
- Experience with thermal, stress, burn-in, or lifecycle testing
- Familiarity with cameras, embedded systems, PC hardware, or other peripherals
- Experience with automated hardware testing or test fixtures

You will become comfortable independently executing validation tests, troubleshooting failures, and documenting results. As you grow in the role, you will take ownership of defined validation tasks and help improve our test automation, coverage, and repeatability.