Staff Software Engineer- Hardware Test Infrastructure
Lightmatter - Mountain View, CA
Posted Mar 12, 2026
Benefits
- Parental leave
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- Non-birth-parent leave
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- Family-building benefits
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- Fertility benefits: Not verified
- Adoption assistance: Not verified
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- Mental health support
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- Relocation assistance
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- Childcare support
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- 401(k) match
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- Weekend work
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About this role
Staff Software Engineer- Hardware Test Infrastructure Mountain View, CA 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, Passageā¢, 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! In this role, you will lead the development of a comprehensive High Temperature Operating Life (HTOL) Test Software system. Your work will involve designing, implementing, and maintaining a scalable multi-chassis testing platform that performs automated stress and performance testing with real-time monitoring and comprehensive data collection capabilities. Responsibilities - System Design & Development: Architect, build, and maintain scalable architecture for a multi-chassis HTOL testing system. - Orchestration: Develop containerized applications for deployment at scale using Python-based services for chassis coordination and management. - Hardware Monitoring & Management: Create hardware abstraction layers and develop APIs that represent hardware systems, providing essential capabilities for monitoring and management of those systems. - Manage Data: Develop data collection pipelines handling sensor data and
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