Demo

Staff Software Development Test Engineer (Bay Area)

Lightmatter
Palo Alto, CA Full Time
POSTED ON 4/25/2025
AVAILABLE BEFORE 5/22/2025

Lightmatter is leading the revolution in AI data center infrastructure, enabling the next giant leaps in human progress. The company invented the world's first 3D-stacked photonics engine, Passage™, capable of connecting thousands to millions of processors at the speed of light in extreme-scale data centers for the most advanced AI and HPC workloads.

Lightmatter raised $400 million in its Series D round, reaching a valuation of $4.4 billion. We will continue to accelerate the development of data center photonics and grow every department at Lightmatter!

If you're passionate about tackling complex challenges, making an impact, and being an expert in your craft, join our team of brilliant scientists, engineers, and accomplished industry leaders.

Lightmatter is (re)inventing the future of computing with light!

In this role as a part of the product engineering team you will be focused on test software development for various platforms for Lightmatter's silicon photonics products. You will lead the effort in setting up the test software architecture for various test applications including photonics wafer, packager and laser testing. Previous experience in laser test software development will be a great advantage.

Responsibilities :

  • Design and develop the test software infrastructure including tools, frameworks, and reporting mechanisms in test software.
  • Collaborate with test and design team members to develop effective testing strategies and quality metrics for new and existing test features.
  • Implements driver-based API to interface with hardware / equipment.
  • Implements command-based APIs to validate the firmware and implement test routines for test and characterization needs for Lightmatter's laser and photonics systems.
  • Release / maintain bug-free production-level test software for OSAT as needed.
  • Help build algorithms to meet data logging requirements by working closely with the data engineering team.

Qualifications

  • Bachelor's degree in Computer Science, Computer Engineering, relevant technical field, or equivalent practical experience
  • 8 years of experience in developing test SW automation.
  • Solid experience with Python or Labview to develop and deploy test sw solutions.
  • Experience developing driver software that interfaces and controls hardware devices over USB, JTAG or GPIB etc.
  • Experience in validating firmware and writing firmware tests to perform feature and system tests.
  • Proven experience in deploying and maintaining manufacturing test programs to production facilities
  • Familiarity with Gage repeatability and reproducibility principles
  • Experience with software version control systems, such as git
  • Preferred Qualifications :

  • Experience working in HVM environment from NPI to Mass Production
  • Previous SW test development experience in the Laser / Photonics Industry
  • Hands on experience with photonics test equipment including tunable lasers, power meters, fiber optics, etc.
  • Knowledge of cloud and database technologies such as AWS / SQL will be a big plus.
  • We offer competitive compensation. The base salary range for this role determined based on location, experience, educational background, and market data.

    Salary Range

    160,000-$180,000 USD

    Benefits

  • Comprehensive Health Care Plan (Medical, Dental & Vision)
  • Retirement Savings Matching Program
  • Life Insurance (Basic, Voluntary & AD&D)
  • Generous Time Off (Vacation, Sick & Public Holidays)
  • Paid Family Leave
  • Short Term & Long Term Disability
  • Training & Development
  • Commuter Benefits
  • Flexible, hybrid workplace model
  • Equity grants
  • 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.

    Salary : $160,000 - $180,000

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