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120 research engineer intern jobs at 34 companies in San Francisco, CA

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Research Engineer Intern
San Francisco, California, United States
$10k-$19k/yr OnsiteInternship, Full Time
Center for AI Safety
Center for AI Safety: Conducts research and advocacy to mitigate AI risks.
Must be a current university student, have empirical ML research experience and at least one top‑venue publication or equivalent contributions, able to run and debug ML experiments, and familiar with PyTorch.
PyTorch
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5d
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Research Intern-Post training
Sunnyvale, California, United States
OnsiteInternship
Alibaba
AlibabaNYSE: BABA: Provides online marketplaces, cloud computing, and digital payment services.
Pursuing a PhD, master's, or bachelor's degree in computer science, engineering, mathematics, or related fields; requires NLP or computer vision, machine learning, LLM, statistics, mathematics, Python, and problem-solving skills.
Large Language Models (LLMs), Python
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2w
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Research Engineer Intern (Agentic Systems & AI Infrastructure - TikTok-Generalized Arch) - 2027 Start (PhD)
San Jose, California, United States
OnsiteInternship
TikTok
TikTok: Global short-form video hosting and social media platform.
PhD student or recent PhD with research/engineering experience in AI agents, LLM reasoning, RL, or AI for code; strong programming in Python/C++/Go/Java; experimental design and evaluation skills; ability to collaborate across teams; must be authorized to work in the US.
Python, C++, Go, Java, CI/CD
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2mo
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Energy Systems Research Engineer Intern
Cupertino, California, United States
OnsiteInternship
Gridmatic
Gridmatic: AI-powered platform for optimizing energy trading and battery storage.
Enrolled MS or PhD student in EE or Energy Systems; coursework in unit commitment/economic dispatch/OPF; familiarity with power flow and network modeling; Python programming; comfort with linear and MILP optimization.
Python
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Research Intern (SDN Traffic Intelligence & Control) - 2027 Start (PhD)
San Jose, California, United States
OnsiteInternship
ByteDance
ByteDance: Developing AI-driven content platforms and mobile applications.
Currently pursuing a PhD in computer science, computer engineering, or related discipline; proficiency in Go, C++, or Python; distributed software development ability; networking research experience preferred.
Go, C++, Python
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2mo
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Research Engineer (PhD) - Database Internals / Special Projects
San Francisco or United States
$10k-$20k/mo HybridFull Time
Hotdata
Hotdata: Building agent-native data infrastructure for AI applications.
PhD in CS/Distributed Systems/Databases; strong systems programming in Rust/C++; experience with query engines, distributed systems, storage engines; research and prototyping.
Rust, C++, Apache Arrow, DataFusion, Parquet
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1d
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Operations Research Engineering Intern (Fall 2026)
San Francisco, California, United States
$6k-$8k/mo OnsiteInternship
Haladir
Haladir: Decisional AI layer for logistics and supply chain optimization.
Strong operations research background with MILP, constraint programming, heuristics, and local search; production-quality Python and solver APIs; research experience; US work authorization; willingness to relocate and travel.
Python, Gurobi, CP-SAT, HiGHS, MILP
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Applied Research Intern, NLP - Fall 2026
Santa Clara, California, United States
$20-$71/hr OnsiteFull Time, Internship
NVIDIA
NVIDIANASDAQ: NVDA: Designs GPU-accelerated computing and artificial intelligence hardware.
Pursuing an MS or PhD in Computer Science or Electrical Engineering; strong Python, deep learning for NLP knowledge; experience with PyTorch or JAX; ability to run and manage large experiments.
Python, PyTorch, JAX, NeMo-RL, Nemotron
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2mo
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Systems Research Engineer Intern - GPU Programming (Fall 2026)
San Francisco, California, United States
$58-$63/hr OnsiteInternship
Together AI
Together AI: Cloud platform for training and deploying artificial intelligence models.
Strong GPU programming and parallel computing skills (CUDA and/or Triton), ML/AI knowledge, performance profiling experience, and strong problem-solving and analytical ability.
CUDA, Triton, FlashAttention, Mamba, FlexGen, Petals, Mixture of Agents, RedPajama
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3mo
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Autonomous Driving Applications Research Intern
Santa Clara, California, United States
OnsiteFull Time, Internship
Nissan
NissanTokyo Stock Exchange: 7201: Manufactures and sells automobiles, luxury vehicles, and commercial vehicles
Pursuing a Master’s or PhD in engineering or related field; robotics, perception, AI; Python and C++ programming; GPA 3.0+; on-site work.
Python, C++, Machine Learning Libraries
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2w
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Deep Learning Research Intern — Multimodal BEV Perception
Santa Clara, California, United States
$19-$65/hr OnsiteInternship
PlusAI
PlusAI: AI-based virtual driver software for factory-built autonomous trucks.
Pursuing a master's or doctoral degree in AI, computer science, electrical engineering, robotics, or related field; Python, deep learning, computer vision, 3D geometry, and PyTorch, TensorFlow, or JAX experience required.
Python, PyTorch, TensorFlow, JAX, LiDAR, radar, GPU
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2mo
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Energy Storage Solution Engineer - Intern
Santa Clara or Japan or United Kingdom or China or United States
RemoteFull Time, Internship
AESC
AESC: Manufactures lithium-ion batteries for electric vehicles and energy storage.
Master's preferred (or Bachelor's with strong research); background in renewable energy, materials science, chemistry, electrical or systems engineering; understanding of energy storage architecture; AutoCAD and Microsoft Office proficiency; Python a plus; strong communication and analytical skills.
AutoCAD, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Python
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2mo
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Intern, Optical Packaging and Characterization Engineer
Milpitas, California, United States
OnsiteInternship
PsiQuantum
PsiQuantum: Builds fault-tolerant quantum computers using silicon photonics technology.
Pursuing or recently completed bachelor’s in Optics/Optical Engineering/Photonics/Physics; experience with optical microscopy, image processing or Python; strong attention to detail and collaborative lab work.
Optics, Optical Microscopy, Python, Image Processing, SOPs, JMP
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1d
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Motion Planning Engineer (PhD, Intern)
San Jose or Mountain View
$46/hr OnsiteInternship
DiDi Autonomous Driving
DiDi Autonomous Driving: Develops Level 4 autonomous driving technology for shared mobility.
Recently completed or soon-to-complete PhD in a related field, motion planning or autonomous systems research, C++ experience, top-tier publications, and strong analytical and communication skills.
C++
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2mo
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Nanofabrication Intern
Menlo Park, California, United States
OnsiteInternship
Periodic Labs
Periodic Labs: Builds autonomous laboratories for AI-driven scientific discovery.
Pursuing or recently completed a Bachelor’s, Master’s, or PhD in engineering or related field; hands-on cleanroom/nanofabrication experience; exposure to lithography, deposition, and etch; comfortable in shared facilities; strong documentation.
Lithography, Deposition, Etch, Sputtering, Evaporation, PVD, PLD, ALD, PECVD, RIE, ICP-RIE, Profilometry, Ellipsometry, SEM, XRD, XRR, 4-point probe, Spin coater, Mask aligner
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1d
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Intern - Data Center Optimization
Santa Clara, California, United States
$50-$55/hr OnsiteInternship, Full Time
Hitachi
HitachiTokyo Stock Exchange: 6501: Global provider of digital systems and social infrastructure solutions.
Current master's or PhD student in industrial engineering, operations research, computer science, applied mathematics, or related field; strong Python skills and knowledge of machine learning or optimization methods required.
Python, Pandas, NumPy, Scikit-learn, PyTorch, TensorFlow, matplotlib, seaborn, Plotly
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6d
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WED - 2027 New Grad Mechanical & Fire Protection Engineer I (For Current & Recent HNTB Interns Only)
Oakland, California, United States
$83k-$125k/yr OnsiteFull Time
HNTB
HNTB: Designs and manages large-scale transportation and infrastructure projects.
Bachelor's degree in Engineering required; position is limited to current and recent HNTB interns. Supports engineering design, calculations, reports, plans, estimates, research, and field investigations.
design tools, programs, software
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5d
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WED - 2027 New Grad Mechanical & Fire Protection Engineer I (For Current & Recent HNTB Interns Only)
Oakland, California, United States
$83k-$125k/yr OnsiteFull Time
HNTB
HNTB: Infrastructure firm providing engineering, architecture, and construction management services.
Bachelor's degree in Engineering; current or recent HNTB intern status required. Assists with engineering designs, calculations, reports, plans, specifications, estimates, research, and field investigations.
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1mo
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Agentic AI Intern
Boston or Seattle or Ontario or San Francisco
RemoteInternship
DataRobot
DataRobot: Provides an enterprise platform for building and governing AI.
Pursuing or recently completed BS/MS in CS/data science/engineering; proficiency in Python (pandas,numpy); foundational ML knowledge; strong communication and autonomy; passion for autonomous agents.
DataRobot platform, AutoML, GenAI, MLOps, Python, pandas, numpy, LangGraph, CrewAI, LlamaIndex, FastAPI, Flask, Docker, Slack, Confluence
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1w
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Computational Engineering Division Graduate Intern - Fall 2026
Livermore, California, United States
$10k/mo HybridInternship, Temporary
Lawrence Livermore National Laboratory
Lawrence Livermore National Laboratory: Develops science and technology for United States national security.
Graduate student or bachelor’s/master’s graduate with computational science, mathematical optimization, research, communication, and teamwork skills; experience with aerothermal modeling and chemical kinetics required.
Pointwise, Ansys, Cart3D, US3D, Tecplot, ParaView, FIAT, ATAC, CMA
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