Research Scientist, Ultrasound Imaging NudgeResearch Scientist, Ultrasound ImagingSan Francisco, CaliforniaWe're starting with an approach that we believe can help the most people the fastest, and also allow us to learn as much about the brain as possible: developing a non-invasive, ultrasound-based device that can stimulate and image the brain at high resolution and depth. We hire people who are exceptional at their craft, believe hard things are worth doing, and execute relentlessly — people who expect the highest levels of both rigor and integrity from each other.
Research Scientist, Rodent Neural Imaging NudgeResearch Scientist, Rodent Neural ImagingSan Francisco, CaliforniaWe're starting with an approach that we believe can help the most people the fastest, and also allow us to learn as much about the brain as possible: developing a non-invasive, ultrasound-based device that can stimulate and image the brain at high resolution and depth. We hire people who are exceptional at their craft, believe hard things are worth doing, and execute relentlessly — people who expect the highest levels of both rigor and integrity from each other.
NewResearch Scientist, Dynamical Systems & AI BecomingResearch Scientist, Dynamical Systems & AISan Francisco, CAWe are hiring a Research Scientist to help verify, validate, and shape a new modeling primitive designed for complex, time-evolving systems. They fail when systems become long-horizon, nonlinear, and context-dependent — exactly where development, biology, and many real-world systems live.
Clinical Research Scientist LancesoftClinical Research ScientistFoster City, CA$50–$58 / hourPrimary responsibilities will include: designing, validating and performing virology, cell-based biochemical, and immunology assays;construct and propagate mutant viruses;evaluating EC50 of selected drug candidates against wt and mutant viruses;understanding MOA of lead compounds in clinical settings;interpreting results, proactively troubleshooting technical challenges and recommending potential solutions based on personal observations and/or literature searches. The ideal candidate will have hands-on experience in one or more of the following techniques: primary cell isolation and culture, ELISA, molecular biology techniques such as RNA/DNA isolation, qPCR, cloning and virus production, immune cell functional assays, and multi-color FACS.
AI Research Scientist - United States Flexion RoboticsAI Research Scientist - United StatesSan Francisco, CAIf you are among the most capable, and ambitious robotics researchers in the country, someone who has stared at the limits of what robots can do today and decided that simply wasn't good enough, we want to hear from you. Among them are Nikita Rudin, David Hoeller, Julian Nubert, and Korrawe Karunratanakul - scientists who have redefined what humanoid robots can do.
Research Scientist PantographResearch ScientistSan Francisco, CaliforniaInterest in problems adjacent to the critical path — new modalities, alternatives to text for reasoning, pixel-space modeling, or automating research itself. Believe simple methods that scale beat complicated ones that don't, and reach for the simplest thing that could work.
AfterQuery — Research Scientist, Post-Training DavidJoseph&CoAfterQuery — Research Scientist, Post-TrainingSan Francisco, CaliforniaSalary$150K–$250K baseProfit sharingTotal cash ~$250K–$450KEquityCompetitive (unspecified %)On-site policyOn-site, San FranciscoVisa sponsorshipNone availableEmployment typeFull-timeLocationSan Francisco, CA. Type: Full-time | On-site | San Francisco, CA Compensation: $150K–$250K base + profit sharing (total cash ~$250K–$450K) + equity Hiring count: 3 (client hiring 2–3 Research Scientists) Visa sponsorship: None available Reports to: Not specified on role page.
Research Scientist (Model Evaluation) SanasResearch Scientist (Model Evaluation)Palo Alto, CaliforniaDevelop reference-based and reference-free metrics calibrated to Sanas's specific model tasks: SI-SDR, PESQ, STOI, DNSMOS, speaker similarity, WER delta, COMET, and task-specific custom metrics where off-the-shelf measures fall short. Deep familiarity with speech and audio quality metrics — perceptual (MOS, MUSHRA, PESQ, STOI), signal-level (SI-SDR, SNR), and task-specific (WER, speaker similarity, DNSMOS) — and an understanding of when each is and isn't the right tool.
Research Engineer/Research Scientist Coach MentoResearch Engineer/Research Scientist CoachSan Francisco, CaliforniaRemoteAs a Mento coach, you will form 1:1 partnerships with our members to help them identify & track clear goals, become stronger researchers, leaders and strategic thinkers, communicate more effectively, problem-solve issues at work, and help them feel happy, fulfilled, and engaged at work and beyond. All Mento coaches, regardless of coaching experience, are required to participate in our ICF-certified coach training program to learn Mento’s coaching methodology prior to working with our members.
Principal Research Scientist - Scaling DataBricksPrincipal Research Scientist - ScalingSan Francisco, CA$280,000–$350,000 / yearAs a Principal Research Scientist- Scaling, you will lead a team of world‑class researchers and engineers to advance the state of the art in large‑scale machine learning, focusing on post-training, RL and inference efficiency, optimization, and scaling. The Databricks AI Research organization enables companies to develop AI models and agents using their own data, with technologies ranging from post-training open source LLMs to developing advanced multi-agent architectures.
Manager, Research Scientist Scale AI, Inc.Manager, Research ScientistSan Francisco, CA$290,400–$363,000 / yearOur teams operate at the intersection of cutting-edge research, large-scale engineering, and real-world deployment, partnering with leading frontier labs, enterprises, and government agencies to push Generative AI into new capabilities and applications. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position and may be inclusive of several career levels at Scale; it will be determined during the interview process based on work location and additional factors, including job-related skills, experience, qualifications, interview performance, and relevant education or training.
Sr. Research Associate/Associate Scientist, Nonclinical Development Adicet BioSr. Research Associate/Associate Scientist, Nonclinical DevelopmentRedwood City, CaliforniaAdicet is located in a state-of-the-art facility and works to create an incredible office experience with an onsite gym and various other fitness options, onsite parking with electric vehicle charging stations and free shuttle (Caltrain), company-subsidized lunches (delivered onsite daily) and fully stocked breakrooms. Coordinate and execute in vivo and ex vivo nonclinical studies to evaluate Adicet’s immune-cell and gene-therapy platforms, including efficacy, pharmacokinetic/pharmacodynamic, and safety assessments in relevant murine oncology and immunology models.
AI research scientist WriterAI research scientistSan Francisco, CaliforniaThe instincts and orientation that match WRITER's values: you Connect — you collaborate openly across research, engineering, and product and communicate complex ideas with clarity to both technical and non-technical audiences; you Challenge — you ask the hard questions, push back on conventional wisdom, and pursue the research directions others haven't tried yet; you Own — you drive your projects end-to-end with urgency, take accountability for results, and care deeply about the impact your work has on real customers. Founded in 2020 with office hubs in San Francisco, New York City, Austin, Chicago, and London, our team thinks big and moves fast, and we're looking for smart, hardworking builders and scalers to join us on our journey to create a better future of work with AI.
Senior Research Scientist EliseAISenior Research ScientistSan Francisco, California$200,000–$320,000 / yearWe are looking for candidates with outstanding mathematical and quantitative skills, robust programming expertise, and exceptional academic credentials—including but not limited to mathematicians, theoretical physicists, and computer scientists—who are passionate about applying their knowledge to solve real-world challenges. You will be working on cutting-edge questions in machine learning and large language models, develop predictive models to enhance our AI capabilities, build controlled systematic analysis of large data, and more.
AI Research Scientist WriterAI Research ScientistSan Francisco, CAThe instincts and orientation that match WRITER's values: you Connect - you collaborate openly across research, engineering, and product and communicate complex ideas with clarity to both technical and non-technical audiences; you Challenge - you ask the hard questions, push back on conventional wisdom, and pursue the research directions others haven't tried yet; you Own - you drive your projects end-to-end with urgency, take accountability for results, and care deeply about the impact your work has on real customers. Founded in 2020 with office hubs in San Francisco, New York City, Austin, Chicago, and London, our team thinks big and moves fast, and we're looking for smart, hardworking builders and scalers to join us on our journey to create a better future of work with AI.
Machine Learning Research Scientist SentraMachine Learning Research ScientistSan Francisco, California5+ years building novel systems in machine learning, NLP, knowledge graphs, or related areas with evidence through publications, production implementations, or significant open-source contributions. You will design and implement systems that maintain execution state for entire organizations, consolidate millions of micro-events into durable knowledge, and learn patterns that predict events before it happens.
Research Scientist - Post-training / RL Epsilon LabsResearch Scientist - Post-training / RLSan Francisco, CaliforniaExtend reinforcement learning to unverifiable and noisy objectives such as report quality and clinical usefulness, using learned reward models and radiologist feedback pipelines ( RLHF ) built on expert preferences and report edits. This role owns every stage after pretraining: supervised fine-tuning, reward modeling, reinforcement learning against verifiable and learned reward signals, reasoning and tool-use training, and inference-time strategy.
Research Scientist - Vision Foundation Models Epsilon LabsResearch Scientist - Vision Foundation ModelsSan Francisco, CaliforniaDrive research and technical excellence through conference publications and technical blog posts, establishing best practices for training robust medical imaging models at scale. This role focuses on pretraining and scaling vision encoders for radiology diagnosis across X-ray, CT, and MRI, with a growing emphasis on 3D volumetric modeling.
Research Scientist - VLM Pretraining Epsilon LabsResearch Scientist - VLM PretrainingSan Francisco, CaliforniaThis role owns the pretraining stage of our radiology report generation model: VLM architecture design, multimodal data and task mixtures, and the large-scale training runs that build grounded visual understanding across X-rays, CT scans, and MRI. You'll work with one of the largest and most diverse medical imaging datasets in the industry, paired with the reports that make multimodal pretraining at this scale possible, while maintaining the clinical rigor required for healthcare deployment.
Research Scientist, Life Sciences (Chemistry) AnthropicResearch Scientist, Life Sciences (Chemistry)San Francisco, CAThis 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. Working alongside AI researchers and engineers, you'll drive experimental programs end to end and pressure-test AI-designed molecules and AI-proposed synthetic routes against real chemistry.