Lightmatter · 1 month ago
Machine Learning Research Intern
Lightmatter is leading the revolution in AI data center infrastructure, and they are seeking a PhD Intern to join their Machine Learning team. This internship offers a unique opportunity to contribute to the invention of novel hardware systems and model their performance on training and inference workloads.
AI InfrastructureArtificial Intelligence (AI)Data CenterMachine LearningSemiconductorSoftware
Responsibilities
Research and stay current on the latest advancements in Machine Learning systems and models, particularly Large Language Models (LLMs)
Develop and utilize tools to model the performance of Lightmatter-enabled systems running various training and inference workloads
Collaborate on the design of compelling reference platforms systems powered by Lightmatter technology
Work towards publishing academic papers at top industry conferences or journals, and assist in creating whitepapers, blog posts, and other technical collateral
Qualification
Required
Currently pursuing a PhD in Computer Science, Electrical Engineering, or a closely related field
Solid academic or research background in Machine Learning systems research, including experience with performance evaluation and modeling
Hands-on experience with machine learning/deep learning methods and knowledge of Large Language Model training and inference frameworks
Familiarity with modern AI systems infrastructure, including compute (e.g., GPUs, TPUs) and networking technologies (e.g., Ethernet, Infiniband) and their various topologies and trade-offs
Demonstrated ability to independently own a research project and drive it from concept to completion within the internship period
Preferred
Prior academic publications in relevant venues are a strong plus
A demonstrated ability for creative problem-solving and applying first-principles thinking to generate novel ideas in an ambiguous environment
Excellent skills in communicating complex research and technical concepts clearly and effectively
A strong desire to collaborate across research and engineering functions to bridge gaps and accelerate outcomes
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.
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
Recent News
2025-11-23
2025-10-09
Company data provided by crunchbase