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.
Open Positions at Lightmatter
7 open positions
Senior SDET role building production-quality firmware test automation and hardware-in-the-loop infrastructure for Lightmatter’s photonic computing hardware. The role bridges firmware, software, and systems teams while automating testing on real hardware.
Build production-quality software and hardware-in-the-loop automation for firmware running on Lightmatter’s photonic hardware. This senior role bridges firmware, embedded systems, test infrastructure, and broader software teams.
Build test automation software that brings up, characterizes, and qualifies photonic chips across laboratory and automated test equipment environments. This staff-level role bridges hardware, software, characterization, and manufacturing teams while owning scalable test architecture.
Build test automation software that brings up, characterizes, and qualifies Lightmatter’s photonic chips across lab benches, wafer test, and automated test equipment. This hands-on staff-level role bridges hardware, software, instrumentation, and manufacturing teams.
Build embedded control, diagnostics, telemetry, and stabilization software for next-generation communications lasers and photonic interconnects. This role combines firmware development, hardware bring-up, optical testing, and cross-functional systems engineering.
Staff Embedded Software Engineer developing device software and firmware for photonic AI processors and interconnects. The role combines embedded Linux development, hardware-software integration, diagnostics, control-plane architecture, and photonic systems.
Lightmatter is hiring a Chip Firmware Validation Engineer to develop and validate firmware and device software for photonic AI processors and interconnects. The role combines embedded systems debugging, validation testing, data analysis, and hardware-software integration.