Research Engineer Nace AIResearch EngineerPalo Alto, CaliforniaNace AI is building the next generation of enterprise intelligence — advanced long-horizon reasoning models and autonomous agents designed to execute complex financial workflows with precision. Our flagship product, Agentic Accounting, enables financial audit, billing audit, and revenue leakage detection with speed and accuracy that traditional systems cannot match.
LLM Post-training Engineer Graduate (Research & Product) - 2027 Start TikTok IncLLM Post-training Engineer Graduate (Research & Product) - 2027 StartSan Jose, CAAbout the team The Multimedia AI team at TikTok focuses on building, researching, and applying Large Language Models (LLMs) to power our global products. Minimum Qualifications: Individuals who are completing or have recently completed a Bachelor s degree in Computer Science, Machine Learning or a related discipline.
AI/ML Research Intern AfterQueryAI/ML Research InternSan Francisco, CaliforniaOur founding team brings backgrounds from Jane Street, Meta, Citadel Securities, Google, Goldman Sachs, Morgan Stanley, Silver Lake, Berkeley Artificial Intelligence Research (BAIR), and Stanford Artificial Intelligence Laboratory (SAIL). We're based in San Francisco and backed by leading investors including Altos Ventures, BoxGroup, and Y Combinator and angels from Google DeepMind, OpenAI, Anthropic, Meta Superintelligence Labs, and Microsoft AI.
Research Scientist Graduate (Monetization Technology - Business Integrity) - 2027 Start TikTok IncResearch Scientist Graduate (Monetization Technology - Business Integrity) - 2027 StartSan Jose, CAIn particular, existing open-source large models often do not perform as effective as we expect in scenarios involving evolving moderation rules, long-form text, long temporal sequences, multi-languages, limited sample data, and adversarial content generated by AIGC. Minimum Qualifications: Individuals who are completing or have recently completed a Master s degree in Computer Science, Software Engineering, Electronic Engineering, Automation, Mathematics, Statistics, or a related technical discipline (completed, or expecting to graduate within 12 months).
Research Scientist Intern (TikTok Recommendation-LLMs, RL, GenAI) - 2026 Start (PhD) TikTok IncResearch Scientist Intern (TikTok Recommendation-LLMs, RL, GenAI) - 2026 Start (PhD)San Jose, CAPosttraining & RL: Exploration of posttraining methods to better align large generative models with business and feed quality needs. Do you dream of working on cutting-edge technologies that shape the way hundreds of millions of people discover content?
Research Scientist - TikTok Search (Generative AI) - Global Frontier Tech Recruitment Program - 2027 Start (PhD) TikTok IncResearch Scientist - TikTok Search (Generative AI) - Global Frontier Tech Recruitment Program - 2027 Start (PhD)San Jose, CAAs a campus hire, you will collaborate with top engineers and researchers to solve challenging problems at scale, working across the full stack of search-from content understanding and retrieval to ranking and user experience optimization. Traditional search systems face increasing limitations when handling massive-scale data, multimodal content (video, text, image), and complex user intents.
Research Scientist Intern (Monetization Technology - Business Integrity) - 2027 Start (PhD) TikTok IncResearch Scientist Intern (Monetization Technology - Business Integrity) - 2027 Start (PhD)San Jose, CAIn particular, existing open-source large models often do not perform as effective as we expect in scenarios involving evolving moderation rules, long-form text, long temporal sequences, multi-languages, limited sample data, and adversarial content generated by AIGC. We are looking for strong machine learning engineers who are excited to grow their business understanding, build highly scalable machine learning models, and partner across disciplines with global teams, in pursuit of excellence.
Research Scientist/Software Engineer, Neural Graphics and World Models - Global Frontier Tech Recruitment Program - 2027 Start (PhD) TikTok IncResearch Scientist/Software Engineer, Neural Graphics and World Models - Global Frontier Tech Recruitment Program - 2027 Start (PhD)San Jose, CADeep experience in at least one of the following AI-for-graphics areas: 3D modeling, asset generation, or 3D representations; animation or motion generation; simulation or physics-aware learning; rendering or neural rendering; world models or video prediction; or graphics and game-engine workflows. Familiarity with modern generative architectures and training methods such as variational autoencoders, latent tokenizers, diffusion or flow-matching models, diffusion transformers, autoregressive models, multimodal transformers, long-context modeling, pre-training, or post-training.
LLM Post-Training Engineer Graduate (Research & Product) - 2027 Start TikTok IncLLM Post-Training Engineer Graduate (Research & Product) - 2027 StartSan Jose, CAAbout the team The Multimedia AI team at TikTok focuses on building, researching, and applying Large Language Models (LLMs) to power our global products. Minimum Qualifications: Individuals who are completing or have recently completed a Master s degree in Computer Science, Machine Learning or a related discipline.
Research Scientist Graduate (Monetization Technology - Business Integrity) - 2027 Start (PhD) TikTok IncResearch Scientist Graduate (Monetization Technology - Business Integrity) - 2027 Start (PhD)San Jose, CAIn particular, existing open-source large models often do not perform as effective as we expect in scenarios involving evolving moderation rules, long-form text, long temporal sequences, multi-languages, limited sample data, and adversarial content generated by AIGC. Minimum Qualifications: Individuals who are completing or have recently completed a PhD degree in Computer Science, Software Engineering, Electronic Engineering, Automation, Mathematics, Statistics, or a related technical discipline (completed, or expecting to graduate within 12 months).
Research Scientist Intern- E-commerce Recommendation(LLM Applications) - Global Frontier Tech Recruitment Program - 2027 Start (PhD) TikTok IncResearch Scientist Intern- E-commerce Recommendation(LLM Applications) - Global Frontier Tech Recruitment Program - 2027 Start (PhD)San Jose, CAAcross multiple scenarios-including live-streaming e-commerce, video-based commerce, and marketplace (shelf-based) commerce-the team is committed to delivering a more personalized, proactive, and efficient shopping experience for users, while providing merchants with a stable and reliable platform. Multimodal Large Models for E-commerce: Build multilingual, multimodal models achieving SOTA performance and powering intelligent e-commerce agents.
Research Engineer Intern (Agentic Systems & AI Infrastructure - TikTok-Generalized Arch) - 2027 Start (PhD) TikTok IncResearch Engineer Intern (Agentic Systems & AI Infrastructure - TikTok-Generalized Arch) - 2027 Start (PhD)San Jose, CAMinimum Qualifications: Currently pursuing or recently completed a PhD in Computer Science or a related field, with relevant work in machine learning, natural language processing, software engineering, distributed systems, programming languages, or a related area. Responsibilities: Currently pursuing or recently completed a PhD in Computer Science or a related field, with relevant work in machine learning, natural language processing, software engineering, distributed systems, programming languages, or a related area.
Neural Graphics and World Models Research Scientist/Software Engineer Graduate (TikTok, Engine&Tools) - 2027 Start (PhD) TikTok IncNeural Graphics and World Models Research Scientist/Software Engineer Graduate (TikTok, Engine&Tools) - 2027 Start (PhD)San Jose, CADeep experience in at least one of the following AI-for-graphics areas: 3D modeling, asset generation, or 3D representations; animation or motion generation; simulation or physics-aware learning; rendering or neural rendering; world models or video prediction; or graphics and game-engine workflows. Familiarity with modern generative architectures and training methods such as variational autoencoders, latent tokenizers, diffusion or flow-matching models, diffusion transformers, autoregressive models, multimodal transformers, long-context modeling, pre-training, or post-training.
Machine Learning Research Scientist, Mechanical Intuition in Multimodal Models Toyota Research Institute IncMachine Learning Research Scientist, Mechanical Intuition in Multimodal ModelsLos Altos, CA$158,400–$227,700 / yearThe Future Factory team in TRI''s Energy and Materials division focuses on developing cutting-edge tools and methods to accelerate change and increase flexibility and efficiency in Toyota''s product design and manufacturing, to speed the transition to an emissions-free world. As a researcher on the team, you will design and implement learning pipelines from scratch, run experiments to evaluate a wide range of architectural, data, and algorithmic choices, and help shape how we apply modern machine learning to the challenges of robotic assembly.
Robotics Research Intern - Post-Training Toyota Research InstituteRobotics Research Intern - Post-TrainingLos Altos, CA$45–$65 / hourWe may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. To lead this transformative shift in mobility, we've built a world-class team advancing the state of the art in AI, robotics, driving, and material sciences.
Research Engineer Intern (Ads ML Infra) - 2026 Start (PhD) TikTok IncResearch Engineer Intern (Ads ML Infra) - 2026 Start (PhD)San Jose, CAThe Ads machine learning data platform team is responsible for building highly efficient and stable infrastructure to collect and process data for the usage of machine learning training, serving, and privacy enforcement, including feature engineering, feature store, training data generation, etc. The quality of the ads system highly depends on the ability to handle massive data, and machine learning is widely used to improve the quality of our ads.
Robotics Research Intern - Post-Training Toyota Research Institute IncRobotics Research Intern - Post-TrainingLos Altos, CA$45–$65 / hourInterns will work closely with researchers and engineers across the Robotics division, with the goal of producing meaningful scientific results and, where appropriate, publications at leading robotics or machine-learning venues. Our research interests include reinforcement learning, imitation learning, human-in-the-loop learning, simulation, world models, policy distillation, and large-scale robot learning.
ML Researcher (Internship and Full-time) Tilde ResearchML Researcher (Internship and Full-time)Palo Alto, CaliforniaYou'll work on training, analyzing, and evaluating cutting-edge models, collaborating closely with a team of researchers and engineers to advance interpretability as a tool for improving performance and control. As a ML Researcher, you will develop innovative techniques to deeply understand how large AI models work—and use those insights to make them better.
Optics Research Scientist KLA CorporationOptics Research ScientistMilpitas, CA$136,300–$231,700 / yearThe Office of the Chief Technology Officer (CTO) plays a critical role in developing advanced long-range technology in collaboration with product divisions and strategic marketing, working on future technology like light sources, lasers, and sensors. This role is ideal for candidates who are passionate about optics/physics/math, eager to learn, and interested in developing expertise in advanced optical system R&D for semiconductor inspection and manufacturing applications!
Research Associate II Dawar Consulting, Inc.Research Associate IISouth San Francisco, CAThis role will support animal monitoring, dosing, necropsy, organ collection, sample processing, and related study activities, including work with infectious and/or biohazardous materials. Ability to work with biohazardous materials ; prior experience is not required, but candidates must be comfortable completing required training.