Principal Data Scientist GTT, LLCPrincipal Data ScientistOakland, CAThe Principal Data Scientist leads the design, development, and execution of scripts, programs, models, user interfaces, algorithms, and processes, using structured and unstructured data from disparate sources and sizes, generating defensible, valid, scalable, reproducible, and documented machine learning and artificial intelligence models (predictive or optimization) for problem solving and strategy development. This client is a major utility and energy company delivering both natural gas and electric power to approximately 16 million people across a 70,000-square-mile service area spanning northern and central California making it one of the largest combined energy utilities in the United States.
NewLead AI Engineer / Data Scientist Cardinal Integrated Technologies IncLead AI Engineer / Data ScientistSanta Clara, CAAgentic AI frameworks & protocols: Claude Agent SDK, Anthropic / OpenAI SDKs, LangGraph, AutoGen, CrewAI, Semantic Kernel, and the Model Context Protocol (MCP); tool/function calling and multi-agent patterns. GenAI & fine-tuning frameworks: Hugging Face Transformers, PEFT (LoRA/QLoRA), TRL, Accelerate, DeepSpeed, bitsandbytes, Axolotl, Unsloth; vLLM / TGI / Ollama for serving; LangChain, LlamaIndex for RAG and orchestration.
Staff Data Scientist, GTM AirwallexStaff Data Scientist, GTMSan Francisco, CaliforniaPowered by our unique combination of proprietary infrastructure and software, we empower over 250,000 businesses worldwide – including Brex, Navan, Qantas, SHEIN and many more – with fully integrated solutions to manage everything from business accounts, payments, spend management and treasury, to embedded finance at a global scale. Rowe Price, Visa, Mastercard, Robinhood Ventures, Sequoia, Salesforce Ventures, DST Global, and Lone Pine Capital, Airwallex is leading the charge in building the global payments and financial platform of the future.
Senior Data Scientist NashSenior Data ScientistSan Francisco, CaliforniaCouriers, fleets, gig workers, parcel carriers, in-store labor, and increasingly autonomous systems all have to be coordinated in real time, against tighter windows and rising expectations, with hard-fought customer trust on the line. Real-time, AI-native intelligence determines what should happen, operational control executes it, and the platform dynamically orchestrates capacity from any source: a company's own fleets, partners, or the Nash delivery network.
Machine Learning Data Scientist, Forecasting OpenAIMachine Learning Data Scientist, ForecastingSan 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. As part of our expanding Data Science function, we’re building a best-in-class Forecasting capability to drive real-time, data-driven decision-making across user growth, revenue, compute infrastructure, and more.
Research Engineer/Research Scientist, Rl/Reasoning OpenAIResearch Engineer/Research Scientist, Rl/ReasoningSan 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.
NewData Collection Manager, Nimble Brain NimbleData Collection Manager, Nimble BrainSan Francisco, CA$120,000–$180,000 / yearOur founding team comes from the AI labs at Stanford and Carnegie Mellon and our board of directors include famed robotics and AI legends including Fei-Fei Li (Chief Scientist of AI at Google and Director of Stanford's AI Lab), Marc Raibert (founder of Boston Dynamics), and Sebastian Thrun (founder of GoogleX, Waymo; Stanford Professor and considered the father of autonomous vehicles). Success looks like a site that ramps fast and runs like clockwork: new operators certified and productive in days, quality feedback acted on within 24 hours, rigs up, people showing up, and a bench of supervisors you developed yourself.
Staff Data Scientist PoshmarkStaff Data ScientistRedwood City, CaliforniaPoshmark empowers sellers to grow meaningful businesses, keeps fashion in circulation longer, and gives shoppers access to unique and trusted finds, from everyday pieces to one-of-a-kind vintage and luxury. 12+ Month Accomplishments: Collaborated with ML engineers and other data scientists to establish best practices for managing and maintaining machine learning models in production, enhancing system reliability.
Senior Data Scientist BrigitSenior Data ScientistSan Francisco, CaliforniaWith a business model that is aligned with our customers, we create transparent, fair, and simple financial products that put money back in the hands of our members, help them spend wisely, avoid unfair fees and build their credit quickly. The actual base salary offered depends on a variety of factors, which may include as applicable, the qualifications of the individual applicant for the position, years of relevant experience, specific and unique skills, level of education attained, certifications or other professional licenses held, and the location in which the applicant lives and/or from which they will be performing the job.
NewSenior Data Scientist Manufacturing Analytics Macpower Digital Assets Edge Private LimitedSenior Data Scientist Manufacturing AnalyticsSunnyvale, CA$80–$90 / hourJob Summary: We are seeking a highly experienced Data Scientist to join our analytics team, with a focus on advanced data modeling and AI applications in manufacturing. Model Development : Design and implement machine learning models, including predictive and statistical models (e.g., regression, classification, clustering).
Data Scientist Samba TVData ScientistSan Francisco, CA$150,000–$180,000 / yearBuild and evaluate multi-touch and multi-channel attribution models; apply Causal ML methods - counterfactual modeling, meta-learners (S-learner, T-learner, X-learner), and heterogeneous treatment effect estimation - to advertising and viewership measurement problems. Samba expects to offer a base salary between $150,000 - $180,000 USD per year for roles to be performed in San Francisco or California; actual base salary offered will depend on various factors including but not limited to location, experience, and performance.
Data Scientist, AI Solutions DataVisorData Scientist, AI SolutionsMountain View, CA$120,000–$170,000 / yearCross-Functional R&D: Collaborate with Product, Strategy, Data Science, Delivery, and Engineering teams to explore and implement state-of-the-art machine learning and large language model (LLM) capabilities, providing the statistical rigor needed to turn experimental concepts into production-grade features. With an open SaaS platform that supports easy consolidation and enrichment of any data, DataVisor's fraud and anti-money laundering (AML) solutions scale infinitely and enable organizations to act on fast-evolving fraud and money laundering activities in real time.
Senior Data Scientist - Consumer Frontend RobloxSenior Data Scientist - Consumer FrontendSan Mateo, CA$263,670–$322,820 / yearYou will define KPIs and measurement frameworks for navigation efficiency, content discoverability, user friction, and UX quality, and leverage analytics, experimentation, and statistical rigor to influence product decisions and drive continuous improvements to the usability and effectiveness of the Roblox app. Aligned and partnering with product groups, we use this vast tool belt to discover new opportunities and unmet use cases, influence and shape the product roadmap and prioritization, build data products and measure the impact on our community of players and developers.
Senior Data Scientist - Discovery RobloxSenior Data Scientist - DiscoverySan Mateo, CA$307,430–$373,680 / yearAligned and partnering with product verticals, we use this extensive tool belt to discover new opportunities and unmet use cases, influence and shape the product roadmap and prioritization, build data products and measure impact on our community of players and developers. Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators.
Research Engineer / Research Scientist- Personal AGI (Post Training) OpenAIResearch Engineer / Research Scientist- Personal AGI (Post Training)San 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. The team partners closely with research and product teams across the company, and conducts research as a final step to prepare for real world deployment to millions of users, ensuring that our models are safe, efficient, and reliable.
Science Engagement Lead Sofar OceanScience Engagement LeadSan Francisco, CaliforniaRemote$80,000–$115,000 / yearDevelop original, science-driven content ideas that inspire and educate audiences across both the Spotter and Wayfinder customer bases, from research institutions and coastal agencies to offshore energy, engineering firms, ports, and shipping fleets. Partner with the marketing and design teams to define the messaging and creative direction for event presences, including booth design, storytelling themes, and visual experiences.
Field Application Scientist - West Countable LabsField Application Scientist - WestPalo Alto, CAYou will drive customer success from onboarding through adoption, working closely with sales and product teams to ensure our customers achieve meaningful results with Countable PCR. Train new customers on Countable Labs instrumentation, workflows, and applications, ensuring successful onboarding and protocol adherence.
R&D Packaging Scientist 1 (Recent Grad Starting In 2026) The Clorox CompanyR&D Packaging Scientist 1 (Recent Grad Starting In 2026)Pleasanton, CA$74,200–$135,800 / yearExecute with Technical Excellence: Apply engineering principles to solve complex packaging challenges by owning the end-to-end development of packaging solutions-from conceptual design, prototyping, mechanical and chemical performance testing, to consumer testing, lab validation (drop, vibration, ship tests), component tooling qualification and scale-up, production, manufacturing, and supply chain. You'll leverage an engineering mindset as you work with R&D Product and Process Development, Marketing, Sales, and Supply chain - to understand consumer needs, investigate future technologies, identify sustainable packaging opportunities, design and develop functional and cost-effective solutions while overcoming packaging technical hurdles.
Research Scientist Horizon RoboticsResearch ScientistCupertino, California$150,000–$300,000 / yearPropose and formulate research problems towards solving AGI - Design, implement and evaluate algorithms, models and prototypes of AI systems - Collaborate with team members to achieve research goals - Report and present research findings internally and externally (such as in top tier academic journals and/or conferences) Here is what we’d like to see in you: - PhD degree (or close to completion)) in computer science, machine learning, robotics, or related field, with a broad knowledge of machine learning approaches and theory - Track record of coming up with and implementing new ideas in AI - Strong ability in mathematically modeling real world problems - Strong ability in implementing algorithms and systems - Hunger for learning new things - Passion in artificial general intelligence and willingness to do challenging deep research - Experience in one or more fields of artificial intelligence such as machine learning, natural language processing, computer vision, reinforcement learning, robotics, large language models, etc. HORIZON ROBOTICS: Make human life safer and better About Horizon Robotics Horizon Robotics (HKEX: 9660) is a leading provider of Smart Driving solutions for passenger vehicles, empowered by our proprietary software and hardware technologies.
Applied Scientist, Optimization & Logistics Sprinter HealthApplied Scientist, Optimization & LogisticsSan Francisco, CaliforniaThe algorithms you build will answer questions like which clinician sees which patient, in what order, given drive time, appointment windows, and clinical constraints; how many clinicians to staff in each region next month; and how long a visit will take or whether a patient is likely to cancel. The ideal candidate is a scientist-engineer who reasons from first principles about uncertainty and constraints, reaches for the simplest model that works, and can move from a formulation on the whiteboard to a decision that runs in production.