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Embedded Software Engineer

Lightmatter is a photonic-computing company developing optical interconnects and light engines for AI-scale data centers.

Mountain View, United States
About Lightmatter

Founded in 2017 by MIT researchers, Lightmatter develops photonic infrastructure for AI, including its Passage interconnect platform and Guide light engine.

View jobs by Lightmatter

Skills

Candidate Availability

About the Role

You will develop firmware for optical transceivers covering control, telemetry, diagnostics and monitoring, taking components from requirements through bring-up, testing and release. You will implement photonic control and stabilization loops on embedded targets, support board bring-up in the lab, and document findings from design reviews.

Requirements

  • Experience delivering firmware to production hardware or customers with clear component ownership
  • Proficiency in C or C++ on resource-constrained targets and Python
  • Understanding of embedded buses and peripherals (SPI, I2C, GPIO, UART)
  • Hands-on lab debugging with JTAG/GDB, logic analyzers, oscilloscopes
  • Familiarity with Git and build toolchains such as CMake
  • BS or MS in Electrical Engineering, Computer Engineering, Computer Science or equivalent and 2+ years of embedded software experience
  • Ability to comply with U.S. export control laws

Responsibilities

  • Develop the lifecycle of optical transceiver firmware modules covering control, telemetry, diagnostics, and monitoring
  • Implement and refine photonic control and stabilization loops on embedded targets
  • Partner with hardware engineers during board bring-up using oscilloscopes, logic analyzers, JTAG, and GDB
  • Participate in control and diagnostics design reviews and document findings
  • Operate independently with guidance at key project milestones

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 (applicable to full-time employees)
Embedded Software Engineer at Lightmatter | JobStash