Embedded Software Engineer
Lightmatter · Boston, MA
Infrastructureonsitemid-level$125k–$145k
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
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