Member of Technical Staff (ML Engineer, Recommendations & User Modeling) PerplexityMember of Technical Staff (ML Engineer, Recommendations & User Modeling)San Francisco, CaliforniaWe build systems that draw on past context and connected data sources to deeply understand each user's needs and recommend the actions that help them get the most out of Perplexity. Own the personalization and ranking behind key product surfaces to make Perplexity more useful and drive impact on core user and business metrics.
Semiconductor Packaging Modeling and Simulation Engineer onsemiSemiconductor Packaging Modeling and Simulation EngineerSan Jose, CAWith a highly differentiated and innovative product portfolio, onsemi creates intelligent power and sensing technologies that solve the world’s most complex challenges and leads the way in creating a safer, cleaner, and smarter world. As a semiconductor packaging modeling and simulation engineer, you will have the opportunities to support new power module development and new product design, assembly and process, quality and reliability, and customers in worldwide.
Senior Machine Learning Engineer, Model Training and Reinforcement Learning NebiusSenior Machine Learning Engineer, Model Training and Reinforcement LearningPalo Alto, California$195,200–$262,200 / yearThey can translate an ambiguous capability goal into concrete experiments, implement and debug training and RL recipes, build the supporting data and systems, and deliver measurable improvements in model quality, experiment throughput, and reliability. Design and run model-training and post-training experiments, including SFT, continued pretraining, preference optimization (DPO/IPO/KTO), and RL methods such as RLHF/RLAIF, PPO, and GRPO.
Senior Machine Learning Engineer - Large Driving Model (Behavioral Alignment) RivianSenior Machine Learning Engineer - Large Driving Model (Behavioral Alignment)Palo Alto, California$179,000–$223,800 / yearFull timeRivian may use your Candidate Personal Data for the purposes of (i) tracking interactions with our recruiting system; (ii) carrying out, analyzing and improving our application and recruitment process, including assessing you and your application and conducting employment, background and reference checks; (iii) establishing an employment relationship or entering into an employment contract with you; (iv) complying with our legal, regulatory and corporate governance obligations; (v) recordkeeping; (vi) ensuring network and information security and preventing fraud; and (vii) as otherwise required or permitted by applicable law. Rivian may share your Candidate Personal Data with (i) internal personnel who have a need to know such information in order to perform their duties, including individuals on our People Team, Finance, Legal, and the team(s) with the position(s) for which you are applying; (ii) Rivian affiliates; and (iii) Rivian’s service providers, including providers of background checks, staffing services, and cloud services.
Senior Data Engineer- Large Driving Model, Autonomy RivianSenior Data Engineer- Large Driving Model, AutonomyPalo Alto, California$179,000–$223,800 / yearFull timeRivian may use your Candidate Personal Data for the purposes of (i) tracking interactions with our recruiting system; (ii) carrying out, analyzing and improving our application and recruitment process, including assessing you and your application and conducting employment, background and reference checks; (iii) establishing an employment relationship or entering into an employment contract with you; (iv) complying with our legal, regulatory and corporate governance obligations; (v) recordkeeping; (vi) ensuring network and information security and preventing fraud; and (vii) as otherwise required or permitted by applicable law. Rivian may share your Candidate Personal Data with (i) internal personnel who have a need to know such information in order to perform their duties, including individuals on our People Team, Finance, Legal, and the team(s) with the position(s) for which you are applying; (ii) Rivian affiliates; and (iii) Rivian’s service providers, including providers of background checks, staffing services, and cloud services.
Research Scientist / Engineer - Foundation Model (Agent) Luma AI, Inc.Research Scientist / Engineer - Foundation Model (Agent)Redwood City, CAYou'll build and train large-scale multimodal agentic models - systems that reason, plan, code, and call tools to do complex, multi-step work over pixels. It's a multi-stack research role across modeling, data, systems, and evaluation, on novel problems with no existing playbook, treating science and engineering as equally important.
Member of Technical Staff - Imagine Model SpaceXAIMember of Technical Staff - Imagine ModelPalo Alto, CA$180,000–$440,000 / yearDomain expertise in multimodal applications such as graphics engines, rendering techniques, image/video understanding and generation, world models, real-time simulation, or controllable/long-horizon visual content creation (audio/speech processing or music/audio generation experience is a plus where it supports video). ABOUT THE ROLE: As a multimodal engineer on the Imagine Model Team, you will develop cutting-edge AI experiences beyond text, with a strong focus on enabling high-fidelity understanding and generation across image and video modalities, while also incorporating audio where it enhances visual content (e.g., synchronized audio for video).
Modelling Data Scientist, Vice President - AI Labs BlackRockModelling Data Scientist, Vice President - AI LabsSan Francisco, New YorkOur teams work on some of the firm's highest priority strategic initiatives, including large-scale generative AI systems, intelligent agents, predictive analytics, optimization engines, operational risk solutions, and AI platforms that accelerate innovation across BlackRock. Solutions developed often use multiple subject areas, including Generative AI, machine learning, and optimization, and combine original methods with pioneering solutions available in industry and academia.
Researcher, Models CartesiaResearcher, ModelsSan Francisco, CaliforniaConduct groundbreaking research in neural network architecture design to advance the state-of-the-art in alternative architectures (e.g., state space models, efficient transformers, hybrid architectures). Deep expertise in architecture design, with experience in researching or deploying advanced architectures (e.g., state space models, transformers, RNN variants, CNN variants).
ML Research Scientist, Foundation Models (Senior / Staff / Principal) Genesis Molecular AIML Research Scientist, Foundation Models (Senior / Staff / Principal)San MateoOur generative and predictive AI platform, GEMS (Genesis Exploration of Molecular Space), integrates AI and physics into industry-leading models to generate and optimize drug molecules, including the breakthrough generative diffusion model Pearl for structure prediction. Genesis has also signed category-leading AI-pharma deals, the most recent of which was a significant expansion with Incyte (see coverage in Forbes and GEN ) with a total potential deal value of several billion dollars.
Research Scientist - Vision Language Model Institute of Foundation ModelsResearch Scientist - Vision Language ModelSunnyvale, California$150,000–$450,000 / yearThe role combines cutting-edge research with practical engineering, emphasizing large-scale data processing, filtering, and weighting pipelines, distributed training systems, and reinforcement learning algorithms and systems for multimodal reasoning and agent development. 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.
Senior Machine Learning Engineer, Model Training And Reinforcement Learning Nebius Group NVSenior Machine Learning Engineer, Model Training And Reinforcement LearningPalo Alto, CA$195,200–$262,200 / yearThey can translate an ambiguous capability goal into concrete experiments, implement and debug training and RL recipes, build the supporting data and systems, and deliver measurable improvements in model quality, experiment throughput, and reliability. Your responsibilities: Design and run model-training and post-training experiments, including SFT, continued pretraining, preference optimization (DPO/IPO/KTO), and RL methods such as RLHF/RLAIF, PPO, and GRPO.
Research Scientist - World-Action Foundation Model, Robotics Applied IntuitionResearch Scientist - World-Action Foundation Model, RoboticsSunnyvale, CaliforniaSupported by industry-leading tools and infra, researchers can access millions of miles of data from large fleets, and deploy methods they develop into various autonomous and robotic systems including self-driving cars/trucks, autonomous mining/construction machines, humanoid robots and dexterous hands. Applied Intuition is headquartered in Sunnyvale, California, with offices in Washington, D.C. San Diego; Ft. Walton Beach, Florida; Ann Arbor, Michigan; London; Stuttgart; Munich; Stockholm; Bangalore; Seoul; and Tokyo.
Fabric Modeling And Analysis Engineer For Scale Up Fabric Astera LabsFabric Modeling And Analysis Engineer For Scale Up FabricSan Jose, CA$185,000–$240,000 / yearServe as the internal authority on fabric modeling, partnering with ASIC architects and product teams to drive roadmap and feature decisions, support early customer engagement, and produce modeling reports, white papers, and presentations for engineering, product, and executive audiences. Astera Labs' Intelligent Connectivity Platform integrates CXL, Ethernet, NVLink, PCIe, and UALink semiconductor-based technologies with the company's COSMOS software suite to unify diverse components into cohesive, flexible systems that deliver end-to-end scale-up, and scale-out connectivity.
Member Of Technical Staff - Imagine Model TwitterMember Of Technical Staff - Imagine ModelPalo Alto, CA$180,000–$440,000 / yearDomain expertise in multimodal applications such as graphics engines, rendering techniques, image/video understanding and generation, world models, real-time simulation, or controllable/long-horizon visual content creation (audio/speech processing or music/audio generation experience is a plus where it supports video). ABOUT THE ROLE: As a multimodal engineer on the Imagine Model Team, you will develop cutting-edge AI experiences beyond text, with a strong focus on enabling high-fidelity understanding and generation across image and video modalities, while also incorporating audio where it enhances visual content (e.g., synchronized audio for video).
Staff Software Engineer, Applied Research, Foundation User Models GoogleStaff Software Engineer, Applied Research, Foundation User ModelsMountain View, CAWe're looking for engineers who bring fresh ideas from all areas, including information retrieval, distributed computing, large-scale system design, networking and data storage, security, artificial intelligence, natural language processing, UI design and mobile; the list goes on and is growing every day. From software to hardware our teams are shaping the future of world-leading hyperscale computing, with key teams working on the development of our TPUs, Vertex AI for Google Cloud, Google Global Networking, Data Center operations, systems research, and much more.
Research Engineer - Model Architectures ZyphraResearch Engineer - Model ArchitecturesSan Francisco, CaliforniaWe strongly value new and crazy ideas and are very willing to bet big on new ideas. Generally, a joy in inventing and seriously assessing ‘crazy’ ideas, and the ability to have a unique perspective on things.
ML Engineer, Foundation Models Humble RoboticsML Engineer, Foundation ModelsSan Francisco, CaliforniaWe’re building an autonomous, zero-emissions hauler that dramatically lowers the cost of freight with groundbreaking vision-based AI, designed for today’s global logistics network. Translate state-of-the-art research (diffusion/flow-matching action heads, reasoning-augmented VLAs, world models) into production-grade systems.
Member of Technical Staff, Foundation Models OdysseyMember of Technical Staff, Foundation ModelsPalo Alto, CaliforniaThey’ve now brought together a world-class research team from DeepMind, Tesla, Waymo, Meta, Apple, and Wayve, who have made significant contributions to language models (DeepMind Gemini), video models (DeepMind Veo), world models (Wayve GAIA), and autonomous systems (Tesla FSD). Odyssey has raised significant venture capital from GV, Amazon, AMD, EQT, NVIDIA, Natural Capital, In-Q-Tel, Elad Gil, Jeff Dean, Guillermo Rauch, Garry Tan, Kyle Vogt, and researchers from OpenAI, DeepMind, MSL, Recursive, and Thinking Machines.
Research Engineer - Audio & Speech Models ZyphraResearch Engineer - Audio & Speech ModelsSan Francisco, CaliforniaAs a Research Engineer - Audio & Speech Models , you will be a core contributor on Zyphra’s Audio Team, building the next generation of open-source autoencoders, ASR, TTS, SSL, and speech-to-speech models. Expertise and intuition for training models in the audio domain, including text-to-speech, ASR, speech-to-speech, speech-emotion-recognition, or other models.