118 research engineer intern jobs at 28 companies in Berkeley, CA

PromotedHiringCafe
Founding Machine Learning / AI Search Engineer
Cupertino, CA, US
$160k-$310k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Build the ML and AI search behind HiringCafe — ranking, recommenders, retrieval, and LLM agents that surface jobs people would never find on their own.
Python, PyTorch, Elasticsearch, LLMs
1mo
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Research Engineer Intern
Santa Clara, California, United States
$19-$65/hr OnsiteInternship
PlusAI
PlusAI: AI-based virtual driver software for factory-built autonomous trucks.
Pursuing MS or PhD in Computer Science, Electrical Engineering, Robotics or related field; programming in Python and C++; experience in 3D computer vision; internship focused on reconstruction, auto labeling and mapping.
Python, C++, 3D computer vision
2mo
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AI Research Intern
Sunnyvale, California, United States
$20-$35/hr OnsiteMultiple Commitments Available
Alpha & Omega Semiconductor
Alpha & Omega SemiconductorNASDAQ: AOSL: Designs and manufactures power semiconductor products for electronic systems.
Pursuing a degree in Business/HR/Engineering/Data Science; strong research/critical thinking; AI interest; clear business communication; comfortable with ambiguity.
Anthropic, OpenAI, enterprise copilots
1w
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Research Intern, Efficient ML Engineer (AI Platform)- 2026 Start (PhD)
San Jose, California, United States
OnsiteInternship
TikTok
TikTok: Global short-form video hosting and social media platform.
PhD candidate in CS/engineering; proficient in C++ and Python; experience with diffusion models, model compression, efficient architectures, and generative ML; strong communication and teamwork skills.
C++, Python, PyTorch, DeepSpeed, JAX, HuggingFace Diffusers
4w
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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
3mo
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Wireless Sensing Research Intern
Sunnyvale, California, United States
$32-$69/hr OnsiteInternship, Full Time
Bosch
Bosch: Global manufacturer of automotive and industrial engineering technology.
PhD student in computer science or electrical engineering; experience in wireless sensing, ML, and embedded programming; GPA 3.0+; 3-6 month internship.
TensorFlow, C, Python, Embedded Systems
2w
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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
1mo
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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
1mo
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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
1w
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Research Engineer - LLM Training Infrastructure - Seed Infra
San Jose, California, United States
OnsiteFull Time
ByteDance
ByteDance: Developing AI-driven content platforms and mobile applications.
Experience with large-scale distributed LLM training, strong Python/C++ skills, ML systems and infrastructure knowledge, proficiency in parallelism strategies and training stack internals (PyTorch, CUDA, NCCL).
Python, C++, DDP, FSDP, PyTorch, CUDA, NCCL, ByteMLPerf
1w
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Motion Planning Engineer (PhD, Intern)
San Jose, California, United States
$46/hr OnsiteInternship
DiDi Autonomous Driving
DiDi Autonomous Driving: Develops Level 4 autonomous driving technology for shared mobility.
PhD in robotics/computer science/electrical engineering, research experience in motion or behavioral planning, publications in top conferences, hands-on C++ experience, strong analytical and communication skills.
C++
1mo
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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
3mo
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Developer Advocate / Research Community Intern
Mountain View, California, United States
HybridFull Time
Lightwheel
Lightwheel: Physical AI infrastructure and simulation platform for robotics.
Experience in community building or technical outreach; interest in robotics/AI; strong communication and event-organizing skills.
1mo
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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
1mo
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NAMS-2 Intern
Mountain View, California, United States
$730/wk HybridInternship
Crown Innovations
Crown Innovations: Provides engineering and technology services for the aviation sector.
Currently enrolled in engineering or computer science; minimum 2.5 GPA; STEM experience preferred.
1mo
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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
3mo
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Intern, AI Engineering
San Francisco, California, United States
OnsiteInternship
Workato
Workato: Enterprise platform for automating business workflows and integrating applications.
Pursuing MS/PhD in CS, ML, NLP or related; publications in top venues; strong Python and PyTorch; ability to work in SF office; collaborate across teams.
Python, PyTorch, CUDA
3d
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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
1mo
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Materials Science Division Undergraduate Intern - Fall 2026
Livermore, California, United States
OnsiteInternship, Temporary
Lawrence Livermore National Laboratory
Lawrence Livermore National Laboratory: Develops science and technology for United States national security.
Continuing undergraduate student in chemistry/materials/computational fields; eligible for Lab access under NDAA Section 3112; basic engineering/science skills, teamwork, communication, and familiarity with Word, Excel, PowerPoint.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint
2w
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Test Engineer
Fremont, California, United States
$110k-$198k/yr HybridFull Time
Siemens
SiemensXETRA: SIE: Manufactures industrial automation, infrastructure, and energy technology systems.
5+ YOEBachelor's degree in EE/IE/CE or equivalent, 5+ years PCBA production and system integration testing, test automation with Python/shell, Linux and networking knowledge, lab equipment familiarity, ability to lift 25 lbs, ~10% international travel.
Python, PERL, Shell, Linux, PCIe, Ethernet, TCP/IP, Power Supplies, Oscilloscopes, Signal Generators, DMMs, Logic Analyzers
1mo
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Member of Technical Staff, Software Engineer
San Francisco, California, United States
OnsiteFull Time
Plato
Plato: Building foundational infrastructure to train specialized AI agents.
Experience building backend systems, data pipelines, product surfaces, and internal tools for AI/research workflows; strong product engineering judgment, emphasis on correctness, observability, and iteration speed.