Software Engineer, Model Runtime OpenAISoftware Engineer, Model RuntimeSan Francisco, CaliforniaFor 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. You will work across model architecture, distributed systems, compilers, kernels, and silicon to design a production-grade runtime comparable in ambition to systems such as vLLM and SGLang, but customized and optimized for OpenAI’s AI accelerator.
Research Engineer / Research Scientist - Personal AGI, Personality and Model Behavior OpenAIResearch Engineer / Research Scientist - Personal AGI, Personality and Model BehaviorSan Francisco, CaliforniaFor 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're looking for individuals with strong ML engineering skills and research experience, especially with novel and highly capable models, and in areas like reinforcement learning and reward modeling.
Research Engineer / Research Scientist - Personal Agi, Personality And Model Behavior OpenAIResearch Engineer / Research Scientist - Personal Agi, Personality And Model BehaviorSan 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're looking for individuals with strong ML engineering skills and research experience, especially with novel and highly capable models, and in areas like reinforcement learning and reward modeling.
Research Engineer/Research Scientist- Personal AGI, Model Experience OpenAIResearch Engineer/Research Scientist- Personal AGI, Model ExperienceSan Francisco, CaliforniaFor 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. AI is an extremely powerful tool that must be created with safety and human needs at its core, and to achieve our mission, we must encompass and value the many different perspectives, voices, and experiences that form the full spectrum of humanity.
Research Engineer/Research Scientist- Personal Agi, Model Experience OpenAIResearch Engineer/Research Scientist- Personal Agi, Model ExperienceSan 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. AI is an extremely powerful tool that must be created with safety and human needs at its core, and to achieve our mission, we must encompass and value the many different perspectives, voices, and experiences that form the full spectrum of humanity.
NewML Scientist I / II, Foundation Models For Life Sciences LILAML Scientist I / II, Foundation Models For Life SciencesSan Francisco, CA$176,000–$304,000 / yearFull-time U.S. employees receive a comprehensive benefits program including medical, dental, and vision coverage; employer-paid life and disability insurance; flexible time off with generous company wide holidays; paid parental leave; an educational assistance program; commuter benefits, including bike share memberships for office based employees; and a company subsidized lunch program. LILA combines advanced AI models with proprietary AI Science Factory instruments into an operating system for science that executes the entire scientific method autonomously, accelerating discovery at unprecedented speed, scale, and impact across medicine, materials, and energy.
Platform Engineer, Model Shaping Together AIPlatform Engineer, Model ShapingSan Francisco, CA$200,000–$290,000 / yearWe believe open and transparent AI systems will drive innovation and create the best outcomes for society, and together we are on a mission to significantly lower the cost of modern AI systems by co-designing software, hardware, algorithms, and models. We have contributed to leading open-source research, models, and datasets to advance the frontier of AI, and our team has been behind technological advancements such as FlashAttention, RedPajama, SWARM Parallelism, and SpecExec.
Member of Technical Staff, Model Evaluation MirendilMember of Technical Staff, Model EvaluationSan Francisco, CaliforniaMirendil is a tech-first company focused on solving core bottlenecks that unlock step-change acceleration across science and technology. We are looking for a research engineer to build the evaluation infrastructure that tells us whether our models are getting better in ways we care about.
Senior Product Manager, Model APIs & Developer Experience Together AISenior Product Manager, Model APIs & Developer ExperienceSan Francisco, CaliforniaWe believe open and transparent AI systems will drive innovation and create the best outcomes for society, and together we are on a mission to significantly lower the cost of modern AI systems by co-designing software, hardware, algorithms, and models. The interfaces around those models shape the entire customer experience: how easily a developer can migrate an application, how reliably an agent can use a model, and how a team runs large asynchronous workloads.
Associate, Quantitative Developer, Model Portfolio Solutions (MPS), Multi-Asset Strategies & Solutions (MASS) BlackRockAssociate, Quantitative Developer, Model Portfolio Solutions (MPS), Multi-Asset Strategies & Solutions (MASS)San Francisco, CaliforniaAs a Quantitative Developer on the Model Portfolio Solutions team, you will sit at the heart of BlackRock's innovation engine for quantitatively driven investing—designing, building, and scaling the signal implementations and analytical tools that researchers and portfolio managers rely on every day. You will translate cutting-edge quantitative research into production-grade signals, pioneer the integration of AI and agentic tooling into investment workflows, strengthen investment controls, and deliver scalable solutions that shape how a global, fast-growing systematic business invests.
Senior Product Manager, Model Apis & Developer Experience Together AISenior Product Manager, Model Apis & Developer ExperienceSan Francisco, CA$200,000–$280,000 / yearWe believe open and transparent AI systems will drive innovation and create the best outcomes for society, and together we are on a mission to significantly lower the cost of modern AI systems by co-designing software, hardware, algorithms, and models. The interfaces around those models shape the entire customer experience: how easily a developer can migrate an application, how reliably an agent can use a model, and how a team runs large asynchronous workloads.
Staff Software Engineer- Foundation Model Inference Databricks IncStaff Software Engineer- Foundation Model InferenceSan Francisco, CA$190,000–$265,000 / yearThe impact you will have: Build LLM infrastructure powering large-scale inference workloads for customers through partner models (OpenAI, Anthropic, Gemini) and self-hosted models (Qwen, GPT-OSS, Llama). More than 10,000 organizations worldwide - including Comcast, Condé Nast, Grammarly, and over 50% of the Fortune 500 - rely on the Databricks Data Intelligence Platform to unify and democratize data, analytics and AI.
Machine Learning: World Models The Bot CompanyMachine Learning: World ModelsSan Francisco, CaliforniaOwn the Training Loop End-to-End: Design, run, debug, and iterate on large-scale training experiments—diagnosing failure modes, improving data mixtures, and tightening evaluation to drive measurable gains. Architect Neural Simulators: Design and train spatiotemporal models that move beyond short clips toward coherent, long-form world simulations.
Legal Counsel - AI Model Advisor MercorLegal Counsel - AI Model AdvisorSan Francisco, California$85–$120 / hourCurrent or past counsel, senior associate, senior in-house counsel, or Assistant General Counsel level. For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome.
Model Performance Software Engineer, Claude Code AnthropicModel Performance Software Engineer, Claude CodeSan Francisco, CAThis is a senior individual contributor role for someone who has already built and owned systems at significant scale, and who is ready to operate as a technical leader: driving architecture, mentoring engineers, and influencing the direction of Claude Code itself. This research continues many of the directions our team worked on prior to Anthropic, including: GPT-3, Circuit-Based Interpretability, Multimodal Neurons, Scaling Laws, AI & Compute, Concrete Problems in AI Safety, and Learning from Human Preferences.
Research Scientist - World Model Luma AI IncResearch Scientist - World ModelSan Francisco, CALuma already trains the strongest generative video models in the industry; the next step is turning those models into world models - interactive, controllable, physically faithful, and useful as a substrate for embodied reasoning. Invent next-generation world model architectures - diffusion, transformer, autoregressive, or hybrid - with a particular focus on controllability and physical consistency.
Content Creator (Model) Orca CommunicationsContent Creator (Model)San Francisco, CaliforniaRemoteOrca Communications wants fresh, bold talent to train as the next digital superstar. Your New Gig: Work with us to craft your unique brand as a real content creator.
Senior ML Engineer, Foundation Models Chef Robotics, Inc.Senior ML Engineer, Foundation ModelsSan Francisco, CAThe job posting you''re looking for might have closed, or it has been removed. Sorry, we couldn''t find anything here.
Staff Machine Learning Model Risk Specialist Upstart Holdings IncStaff Machine Learning Model Risk SpecialistCARemote$157,000–$217,500 / yearYou will oversee risk across a diverse and growing inventory of models and Generative AI applications, including sophisticated machine learning models used in lending and other models supporting areas such as fraud, compliance, finance, capital and liquidity, servicing, and operational risk. Partner with Machine Learning teams, GenAI application developers, business sponsors, and other stakeholders to maintain accurate inventories, risk assessments, documentation, monitoring reports, and supporting governance materials for models and GenAI applications affecting Upstart Bank.
Research Engineering Manager - Model Training PerplexityResearch Engineering Manager - Model TrainingSan Francisco, CaliforniaExperience leading or managing research or engineering teams working on large-scale AI model development, including driving complex projects from idea to production. Lead a team of researchers and engineers focused on training SotA models for Perplexity-relevant use cases, leveraging the latest supervised and reinforcement learning techniques.