Jobs at Lightmatter

• Develop the lifecycle (requirements, bring-up, testing, and release) of well-defined optical transceiver firmware modules covering control, telemetry, diagnostics, and monitoring.
• Implement and refine photonic control and stabilization loops on embedded targets in partnership with analog and photonics design teams.

Lightmatter is hiring a talented software engineer to build the next generation of photonic AI processors and interconnects. You will develop and extend the device software/firmware stack for Photonic Compute and Photonic interconnect products, collaborating with software and hardware teams to im...

Lightmatter is hiring a Physical Design Timing Engineer in Mountain View, California. You will help drive backend digital execution for photonics-based interconnect solutions, working alongside world-class engineers.

Lightmatter, Inc. is hiring a Sr.

Lightmatter is hiring a Chip Firmware Validation Engineer to develop and validate the device software and firmware stack for Photonic Compute and Photonic Interconnect products. You will collaborate across software and hardware teams to drive validation, testing, data analysis, and stack optimiza...

• Run hands-on lab characterization and debug of high-speed electrical/optical hardware, including novel failure modes
• Build system-level electrical/optical/EO channel models and correlate them against your own bench measurements

• Drive product definition (MRD/PRD), SKU strategy, and commercial positioning for silicon photonics products focusing on the Passage interconnect platform, evaluation systems, and demonstration vehicles.
• Drive strategic industry partnerships to ensure the availability of key optical hardware soluti...

• Own the architecture and roadmap of the firmware test automation framework across products, targets, sites, and teams
• Design and build stable automation for new firmware features and hardware, held to production-quality engineering standards

• Creative problem-solving and contributing to high-performance electro-optic architecture solutions for high-volume products.
• Electro-optic system modeling using Cadence photonics-analog simulators (Verilog-A, Spectre, Virtuoso), VPI Photonics, and Keysight ADS.

• Be the digital architecture owner of Lightmatter’s Passage product. Work closely with the rest of the architecture team, chip-design team, and the software team.
• Responsible for the digital architecture from initial concept through high-volume production. Work closely with the technical program manager(s) to plan, organize, and execute.

• Technical leadership and mentorship of team members to drive excellence and elevate the teams collective output
• Own and drive multiple complex projects and hardware systems development throughout the full lifecycle, from concept through production

• Serve as the technical authority for thermo-mechanical simulation within the packaging organization, setting standards for model fidelity, validation methodology, and documentation practices adopted across the team.
• Identify capability gaps in simulation tooling, characterization methods, or material databases...

• Execute high-speed serial I/O characterization and validation across multiple platforms for Lightmatter products.
• Work directly with architecture, signal integrity, and silicon design teams to understand the technology and conceptualize characterization and test techniques targeting product manufacturing.

• Collaborate with system architects and technical leads to define and develop hardware systems for photonic AI infrastructure applications
• Own hardware systems development throughout the full lifecycle, from concept through production

• Create mechanical models of package stack-up and associated components.
• Perform mechanical design analysis to identify and implement solutions that improve package mechanical integrity.

• Engage with a cross-functional team to design and deliver a successful high-volume laser product
• Collaborate with product and architecture teams to drive new laser concepts