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← Lightmatter

Embedded Software Engineer

Lightmatter · Boston, MA

Infrastructureonsitemid-level$125k–$145k
Apply on the lab’s site ↗

At a glance

Highlights

  • Build control firmware for photonic interconnect chips for AI compute clusters.
  • Develop stabilization loops that maintain health and lock of optical transceivers.
  • Work on Passage tech connecting thousands of processors at speed of light.

What they offer

  • 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
  • New hire equity grant and annual performance-based equity

Ideal candidate

Hands-on embedded engineer with 2+ years shipping firmware who thrives in the lab and loves cross-disciplinary collaboration to solve complex photonics challenges.

Requirements

  • Experience delivering firmware to production hardware or customers with ownership of specific components
  • Proficiency in C or C++ on resource-constrained targets combined with Python for prototyping and test
  • Solid understanding of embedded communication buses and peripherals (SPI, I2C, GPIO, UART)
  • Hands-on lab debugging skills using JTAG/GDB, logic-analyzers, and 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 embedded software experience
remote policy
Flexible, hybrid workplace model

Lab profile

About Lightmatter

Building 3D-stacked photonics engines connecting AI processors at light speed for data centers.

What they build

  • Passage™ 3D-stacked photonics engine
  • Photonic interconnects for AI / HPC data centers

Known for

  • Silicon photonics
  • 3D-stacked packaging
  • High-speed analog / mixed-signal design
  • Electro-optic systems

Key facts

  • Raised $400M Series D
  • $4.4 billion valuation
More about Lightmatter →
Apply on the lab’s site ↗

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