AI Hiring Index

Lightmatter · Infrastructure · Staff+ · Posted 2026-07-15

Staff Embedded Software Engineer

Lightmatter · Boston, MA; Mountain View, CA · $175k–220k base

This range's midpoint is above 34% of posted infrastructure ranges at AI companies right now. Compare it with every posted range at Lightmatter by level, and at 281 other AI companies, in the AI Salary Report, US$29 once, or see the free salary index.

Apply on Lightmatter's site Watch Lightmatter for new roles

Job description from Lightmatter's careers page.

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!

We are hiring a talented software engineer to help us build the next generation of photonic AI processors and interconnects. In this role, you will be responsible for developing and extending the device software and firmware stack for Photonic Compute and Photonic interconnect products. You will collaborate with other software teams and hardware systems teams to develop security, telemetry, virtualization, and remote administration functionality.

Responsibilities

Qualifications

Preferred Qualifications

We offer competitive compensation. The base salary range for this role determined based on location, experience, educational background, and market data.

Salary Range: total compensation goes beyond base salary, it also includes a new hire equity grant, annual performance-based equity, and other rewards that recognize your impact and contribution.

$175,000—$220,000 USD

Benefits

Benefits eligibility may vary depending on your employment status and location. 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.

Export Control

Candidates should have capacity to comply with the federally mandated requirements of U.S. export control laws.

Apply on Lightmatter's site

Report this listing or ask us to remove it

A removal request from the employer takes effect at the next refresh, within 6 hours. Other reports go to the site owner.

New infrastructure roles at AI companies, every Monday. The week's openings in this function across 277 companies, plus the weekly index. Free.

More infrastructure roles at Lightmatter

See also: Software Engineer jobs · AI jobs in San Francisco Bay Area · Lightmatter salaries · Python jobs · C++ jobs · Robotics jobs.

This listing is reproduced from Lightmatter's public careers feed and links to the original. AI Hiring Index is not the employer and does not accept applications. All Lightmatter roles · AI salaries.