Senior Mechanical Product Design Engineer

Palo Alto · San JoseFull-timesenior

EngineeringMechanical Design EngineerTrades & Skilled Labor

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Quick Summary

Overview

About Mashgin Mashgin powers the world's best checkout experience for over 40 million users.

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EngineeringMechanical Design EngineerTrades & Skilled Labor

About Mashgin

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.

Position Summary

Mashgin is seeking a Senior Mechanical Product Design Engineer to join our hardware engineering team. You’ll play a key role in developing the next generation of Mashgin kiosks, working from concept to mass production in a fast-paced, cross-functional environment.

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

Impact: You will own significant responsibility and have total ownership over your work. We stay lean and efficient, so your work directly impacts the product we ship every day.

Simplicity: Complexity is a waste of time here—we take pride in building things that just work.

Hard Work: Forget the glamorous research papers. We prioritize the hard work it takes to achieve real-world clarity and accuracy. You will innovate relentlessly to push the boundaries of what’s possible in visual automation.

Humility: No task is beneath you. Whether it's high-level architecture or grunt work to fix a bug, we check our egos at the door and get real work done.

Ruthless Prioritization: If everything is on fire, nothing is. You will be expected to prioritize ruthlessly, cutting through distractions to focus on the most impactful product improvements.

Customer Innovation: We are customer-centric, not customer-pleasing. You won’t bend to every client demand; you will let innovation drive the product forward to solve the real problems our users face.

Efficiency: Meetings suck. We keep them short and only use them for alignment, giving you your time back to focus on real work.

Owning the mechanical design of major kiosk subsystems and components from concept to production

Developing innovative, manufacturable designs for sheet metal, injection-molded plastics, CNC-machined parts, and electromechanical assemblies

Creating and managing BOMs (Bill of Materials), engineering documentation, and 2D manufacturing drawings with proper GD&T and revision control

Collaborating closely with electrical, thermal, and software engineering teams to integrate multi-disciplinary requirements

Building and iterating on 3D CAD models, tolerance analyses, and detailed drawings using SolidWorks

Driving prototype builds, DFM/DFX reviews, and design validation testing with internal teams and external suppliers

Working directly with domestic and international manufacturing partners to resolve production issues and improve yields

Contributing to reliability, thermal, EMI/ESD compliance, and safety testing for high-volume deployments

Supporting product lifecycle activities, including cost reduction, design revisions, and next-gen architecture exploration

Traveling internationally on occasion (~10%) to support suppliers, manufacturing builds, and validation testing

BS or MS in Mechanical Engineering or related field

5+ years of relevant mechanical design experience, preferably in consumer electronics, kiosks, medical devices, or other high-volume hardware products

Proficiency in SolidWorks (or similar CAD) with strong GD&T and tolerance stack-up skills

Hands-on experience with prototype fabrication, DFM, and mass production processes

Familiarity with plastics, sheet metal, die casting, CNC machining, and adhesive joining techniques

Strong understanding of thermal management, structural integrity, and reliability testing

Excellent problem-solving skills and ability to thrive in a fast-paced, cross-functional environment

Experience with high-volume contract manufacturers and overseas suppliers

Knowledge of electro-mechanical integration (displays, cameras, sensors, connectors, cables, etc.)

Exposure to regulatory compliance (EMI/ESD, UL, CE, FCC)

Experience working with computer vision systems or kiosk-style hardware is a plus

Mandarin Chinese proficiency is a plus for communicating with some manufacturing partners

Willingness to travel internationally (~10%) as needed for supplier engagement and production support

An opportunity to work on a small, multidisciplinary team with the potential to break new ground in many different industries