Embedded Software Engineer
Lightmatter11 days ago
Boston, MA, USAMid Level
Base Salary
$125k - $145k/yr
Responsibilities
- Develop the full lifecycle of optical transceiver firmware modules, including requirements, bring-up, testing, and release.
- Implement and refine photonic control and stabilization loops on embedded targets with analog and photonics design teams.
- Partner with hardware engineers on new board bring-up using oscilloscopes, logic analyzers, JTAG, and GDB.
- Participate in control and diagnostics design reviews and document findings for cross-functional engineering teams.
- Work independently with guidance at key project milestones.
Requirements
- Have experience delivering firmware to production hardware or customers with ownership of specific components.
- Be proficient in C or C++ on resource-constrained targets and use Python for prototyping, test creation, and data analysis.
- Understand embedded communication buses and peripherals including SPI, I2C, GPIO, and UART, as well as hardware-software co-integration.
- Have hands-on lab debugging experience with JTAG, GDB, logic analyzers, and oscilloscopes.
- Be familiar with Git and build tools such as CMake.
- Hold a BS or MS in Electrical Engineering, Computer Engineering, Computer Science, or equivalent, and have at least 2 years of professional embedded software engineering experience.
- Preferred qualifications include bare-metal firmware and RTOS experience with technologies such as Zephyr or FreeRTOS.
- Preferred qualifications include hardware-in-the-loop test setups, test automation, or firmware CI pipeline experience.
- Preferred qualifications include Embedded Linux and device driver development experience.
- Experience with optical transceivers, photonic platforms, high-precision analog or mixed-signal hardware, laser physics, or wavelength and thermal control systems is preferred.
Benefits
- Comprehensive medical, dental, and vision health care plan.
- Retirement savings matching program.
- Basic, voluntary, and accidental death and dismemberment life insurance.
- Vacation, sick time, and public holiday time off.
- Paid family leave.
- Short-term and long-term disability coverage.
- Training and development opportunities.
- Commuter benefits.
- Flexible hybrid workplace model.
- Equity grants for eligible full-time employees.
- Benefits eligibility may vary by employment status and location.
About Lightmatter
Lightmatter builds photonic computing and interconnect hardware for AI and high‑performance computing data centers. Its products include Envise, a photonic AI accelerator, and Passage, a 3D‑stacked photonics engine that links large numbers of processors at high bandwidth and low latency. Founded in 2017 and headquartered in Mountain View, California, the privately held company sells chips and systems to data center operators and AI infrastructure providers.