Lightmatter · 18 hours ago
Staff Software Engineer- Test
Mountain View, CA
Full-time
Hybrid
Senior Level, Lead/Staff
8+ years expLightmatter is leading the revolution in AI data center infrastructure, enabling the next giant leaps in human progress. In this role, you will lead the development of a comprehensive High Temperature Operating Life (HTOL) Test Software system, involving designing, implementing, and maintaining a scalable multi-chassis testing platform for automated stress and performance testing.
AI InfrastructureArtificial Intelligence (AI)Data CenterMachine LearningSemiconductorSoftware
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 performance metrics
Deploy and Update Software: Create automated deployment and testing pipelines using CI/CD best practices
Collaboration with Front-End Teams: Work closely with the frontend team to ensure seamless integration of backend APIs with applications
Testing & Documentation: Write automated tests to monitor the reliability and performance of the system; maintain clear and concise documentation for troubleshooting
Performance and Reliability: Continuously monitor and optimize performance to reduce response times and improve system scalability; ensure uptime in production environments; establish capacity planning procedures
Qualification
Required
BS and 12+ years of experience or MS and 8+ years of experience; degree in Computer Science, Electrical Engineering, or related field
Expert level Python, knowledge of web frameworks such as FastAPI, Flask, Django; strong understanding of API design principles and best practices
Experience with containerization and orchestration technologies such as Docker and Docker Compose
Experience with one or more databases such as MongoDB, PostgreSQL, Redis, time-series databases
Familiarity with testing frameworks such as pytest and integration testing, performance testing tools
Experience with CI/CD tools such as GitHub Actions/Runners and Infrastructure as Code tools such as Ansible
Experience with hardware integration or embedded systems; interfacing with BMCs, FPGAs, temperature sensors, thermal management, power management systems
Candidates should have capacity to comply with the federally mandated requirements of U.S. export control laws
Preferred
Familiarity with real-time data handling and communication protocols, such as gRPC, TCP/IP, WebSockets, message brokers or similar technologies
Experience with high-availability, mission-critical systems
Experience in the Semiconductor Industry: wafer-level testing, burn-in systems, reliability testing
Professional Certifications: Agile/Scrum certifications
Experience building backend services for web applications like Next.js, proficiency in JavaScript/TypeScript
Benefits
Comprehensive Health Care Plan (Medical, Dental & Vision)
Retirement Savings Matching Program
Life Insurance (Basic, Voluntary & AD&D)
Generous Time Off (Vacation, Sick & Public Holidays)
Paid Family Leave
Short Term & Long Term Disability
Training & Development
Commuter Benefits
Flexible, hybrid workplace model
Equity grants (applicable to full-time employees)
Company
Lightmatter
Lightmatter develops photonic chips that enable data processing and communication using light instead of electricity.
201-500 employees
H1B Sponsorship
Lightmatter has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (21)
2024 (12)
2023 (5)
2022 (4)
2021 (4)
2020 (4)
Funding
Current Stage
Late StageTotal Funding
$822MKey Investors
T. Rowe PriceViking Global InvestorsGoogle Ventures
2024-10-16Series D· $400M
2023-12-19Series C· $155M
2023-05-31Series C· $154M
Leadership Team
Nicholas Harris
Founder, CEO
B
Bob Turner
Sr. VP Sales & Solution Architecture
Recent News
2025-11-23
2025-10-09
Company data provided by crunchbase