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Principal/ Senior Photonics Design Engineer (Bay Area)

Mountain View, CA
  • Expired: August 11, 2022. Applications are no longer accepted.

Principal/ Senior Photonics Design Engineer

Lightmatter builds chips for artificial intelligence computing. Our architecture leverages unique properties of light to enable fast and efficient inference and training engines. If you're a collaborative engineer or scientist who has a passion for innovation, solving challenging technical problems and doing impactful like building the world's first optical computers, consider joining the team at Lightmatter!

We are seeking a motivated and dedicated Principal photonics design engineer for our next-generation artificial intelligence computing architecture alongside a team of world-class scientists and engineers.

In this role, you will be a key member of the team architecting the world's first photonic computers. This is fundamentally an interdisciplinary team and outside-the-box thinking is the daily norm. You will need both deep expertise in silicon photonics and breadth across other engineering disciplines such as analog and digital electronics, semiconductor device physics, thermal/packaging, and machine learning. The successful candidate will demonstrate eagerness to refresh and grow their competency in these areas.

You'll have the opportunity to build a new kind of computer from the ground up and to solve groundbreaking challenges along the way. Work with people who love to build and who thrive in technically diverse environments where great ideas are prioritized.


  • Develop methodologies for high quality components suitable for volume production

  • Interface closely with laser and package designers to optimize performance for various form factors and operating conditions

  • Actively collaborate across disciplineswith digital, photonics, analog, and physical design teamsto design devices that meet performance and power requirements

  • Work with external vendors to ensure timely development and delivery of key photonics related processes and components

  • Work with the photonics test team in defining requirements for device characterization, debug and validation

  • Engage in problem solving and contributing with novel architectural ideas

  • Work closely with hardware and software teams on functionality, interfaces, and documentation


  • MS or PhD in EE, physics or a related discipline

  • 8+ years of experience in integrated optics

  • In-depth knowledge of photonic device physics, semiconductor laser and device physics

  • Demonstrated track record of ownership of integrated silicon photonics components

  • Experience with testing and characterization of photonic devices

  • Excellent written and verbal communication skills

  • Ability to collaborate in cross-disciplinary team

  • Demonstrate strong problem solving skills in problems that do not have obvious solutions


  • Comprehensive Health Care Plan (Medical, Dental & Vision)

  • 401k matching

  • Life Insurance (Basic, Voluntary & AD&D)

  • Generous Time Off (Vacation, Sick & Public Holidays)

  • Paid Family Leave

  • Short Term & Long Term Disability

  • Training & Development

  • Flexible, hybrid workplace model

  • Stock Option Plan

Lightmatter recruits, employs, trains, compensates and promotes regardless of race, religion, color, national origin, sex, disability, age, veteran status, and other protected status as required by applicable law.




Mountain View, CA
94039 USA



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