Research Scientist - Distributed Machine Learning Institute of Foundation ModelsResearch Scientist - Distributed Machine LearningSunnyvale, CaliforniaBoost training efficiency and stability ·Lead mixed-precision training, push bf16, fp8, etc, into daily runs, track their accuracy-vs-speed gains, and be able to analyze numeric stability ·Apply kernel fusion, communication tuning, and memory optimization to reach state-of-the-art throughput. Strategic and innovative problem-solving skills will be instrumental in establishing MBZUAI as a global hub for high-performance computing in deep learning, driving impactful discoveries that inspire the next generation of AI pioneers.
Research Engineer - TikTok Ads Core ML, Ranking TikTok IncResearch Engineer - TikTok Ads Core ML, RankingSan Jose, CATikTok Ads Core ML Team aims at creating automatic delivery products for the next generation and developing advertising as a global business, instead of just a monetization tool to consolidate the delivery funnel framework allowing multiple teams to iterate parallel. As part of our team, you will be responsible for: Optimize efficiency across the entire advertising funnel, including Recall&Rough-sort, Fine-sort(CTR/CVR), format/creative personalization and system resource allocation.
Research Engineer / Research Scientist - Personal AGI, Memory OpenAI LLCResearch Engineer / Research Scientist - Personal AGI, MemorySan Francisco, CAFor unincorporated Los Angeles County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: protect computer hardware entrusted to you from theft, loss or damage; return all computer hardware in your possession (including the data contained therein) upon termination of employment or end of assignment; and maintain the confidentiality of proprietary, confidential, and non-public information. We build general-purpose memory and personalization capabilities that transfer across ChatGPT and other agentic products, and we collaborate with applied engineering on the product surfaces that allow users to interact with memory.
Research Engineer/Scientist(all levels), Efficient Models TikTok IncResearch Engineer/Scientist(all levels), Efficient ModelsSan Jose, CAProven experiences in at least one of the following areas: image/video generation and editing; model compression (e.g., quantization, step/cfg distillation); efficient architectures (e.g., MoE, window attention); efficient model design; or reinforcement learning training methods (e.g., RLHF, DPO, GRPO). Develop efficient algorithms and architectures for large-scale generative and multimodal models, using techniques such as step distillation, cfg distillation, quantization, and other methods to improve model efficiency (e.g., image generation, video generation, VLM).
Senior Member of Research Staff Voleon Capital Management LpSenior Member of Research StaffBerkeley, CAYour research colleagues have collectively published hundreds of academic articles in top-tier venues on machine learning, systems, and theory, and we meet regularly to stay current on the latest academic research and share ideas. As a Senior Member of Research Staff, you will work at the forefront of modern statistical machine learning leading key projects focused on enduring challenges of financial market prediction and portfolio optimization.
Research Scientist - TikTok E-Commerce Recommendation Foundation TikTok IncResearch Scientist - TikTok E-Commerce Recommendation FoundationSan Jose, CAApply LLM technologies across retrieval, ranking, and re-ranking stages; participate in model training, inference optimization, and system co-design. Minimum Qualifications: MS/PhD in Computer Science, related technical field or equivalent industrial research experience.
Member of Research Staff Voleon Capital Management LpMember of Research StaffBerkeley, CAYour research colleagues have collectively published hundreds of academic articles in top-tier venues on machine learning, systems, and theory, and we meet regularly to stay current on the latest academic research and share ideas. The behavior of financial markets is noisy and violates a number of classical statistical assumptions, and we've spent over a decade pioneering scientific advances in the application of machine learning techniques to this domain.
Research Scientist Intern (Monetization Technology - Business Integrity) - 2027 Summer TikTok IncResearch Scientist Intern (Monetization Technology - Business Integrity) - 2027 SummerSan 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. Research experience in one or more of the following areas - Ads, Search, Recommender Systems, NLP, CV, Multimodal, or Agent technologies - demonstrated through publications, thesis work, internships, or research projects.
Senior Member of Research Staff, Voleon Securities Voleon Capital Management LpSenior Member of Research Staff, Voleon SecuritiesBerkeley, CAYour research colleagues across Voleon have collectively published hundreds of academic articles in top-tier venues on machine learning, systems, and theory, and we meet regularly to stay current on the latest academic research and share ideas. Expertise modern statistical methods and machine learning with a track record as an applied researcher, preferably with experience in at least one of the following: optimal control, deep RL, deep learning, and causal inference.
Senior Research Scientist/Software Engineer, TikTok-Neural Graphics and World Models TikTok IncSenior Research Scientist/Software Engineer, TikTok-Neural Graphics and World ModelsSan Jose, CAStrong candidates combine research judgment with hands-on engineering ability: they can identify an important modeling problem, translate it into concrete research and engineering milestones, run rigorous experiments, and work with engineering teams to turn successful results into interactive, reliable engine capabilities. Deep expertise in at least one of the following AI-for-graphics areas: 3D modeling, asset generation, or 3D representations; animation, motion generation, or character behavior; simulation, physical AI, or neural simulation; rendering or neural rendering; world models or video prediction; or graphics and game-engine workflows.
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 Engineer Lotus AIResearch EngineerSan Francisco, CaliforniaThe work blends applied research with product engineering: dataset curation, model training and evaluation, retrieval and tool use, safety and alignment, and putting breakthroughs into production. Our team includes ex-founders and engineers who have built and scaled consumer apps to millions of users, generating over $100M in annual revenue.
Research Hardware Engineer Convergent ResearchResearch Hardware EngineerSan Francisco, CANice to have: experience with ultrasound systems or transducers; neural interfaces, electrodes, or implantable hardware; wearable or at-home medical devices; work with large animals; experience at a small company or academic lab where you built your own tooling; regulatory or safety testing experience. Design, build, and help validate hardware for a novel platform combining bidirectional electrophysiology and ultrasound in animals, including implants, headstage interfaces, simple circuit boards, and test rigs.
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.
Senior Research Engineer - AI-Native Online Datastore Systems TikTok IncSenior Research Engineer - AI-Native Online Datastore SystemsSan Jose, CAWe already have early practices in production-an Oncall Agent (knowledge base + runbooks + tiered write-permission model), a storage replica governance Skill, and an Agent Box toolchain-but we need someone to design the AI infrastructure layer from scratch, establish an evaluation framework, and drive org-wide adoption. You won t be maintaining existing AI systems-you ll be the team s first dedicated AI-Native Research Engineer, balancing research exploration with hands-on engineering: studying how agents work best in online data storage contexts, and turning those insights into reusable infrastructure and workflows.
Research Scientist (Trust and Safety - Vision Language Models/VLM) TikTok IncResearch Scientist (Trust and Safety - Vision Language Models/VLM)San Jose, CAWe are looking for researchers in LLM, VLM and Omni Model domain who are experienced in single/multi-modality LLM/VLM pretraining and applications, including evaluations, data processing and recipes for pre-training and post-training, reinforcement learning based alignment, efficient training and inference. Strong understanding of cutting-edge LLM research (e.g., long context, multi modality, alignment research, agent ecosystem, etc.) and possess practical expertise in effectively implementing these advanced systems as a plus.
Research Engineer Graduate (Agentic Arch) - 2027 Start (PhD) TikTok IncResearch Engineer Graduate (Agentic Arch) - 2027 Start (PhD)San Jose, CAExperience building or deploying LLM agents, AI developer tools, or agent platforms in complex or large-scale environments.•Hands-on experience with model post-training, reinforcement learning, execution-feedback loops, tool-using agents, distributed agent runtimes, or scalable evaluation systems. We research and deploy reliable long-horizon agents that can reason over large codebases, interact with complex tools and environments, and complete consequential engineering work across distributed production systems.
Research Engineer/Scientist (all levels), World Models TikTok IncResearch Engineer/Scientist (all levels), World ModelsSan Jose, CAAdvance video generation models to capture long-horizon temporal consistency, realistic physical dynamics, object interactions, and causal relationships from large-scale multi-modal data. About the Team The Vision-Applied Research team focuses on applied research in Generative AI and CV/Multimodal Understanding, and delivering intelligent solutions to Tiktok, enabling users to make and share creative content in a much easier way.
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.