Data Scientist II, Long Term Planning and Forecasting Amazon.com IncData Scientist II, Long Term Planning and ForecastingBellevue, WAYou will build automated Plan-vs-Actual and Actual-vs-Actual variance decomposition models that quantify the contribution of individual demand drivers to observed gaps across revenue, price, units, inventory, and capacity metrics at multiple granularities to serve audiences from working-level analysts to VP-level planning reviews cycles. As a Data Scientist in LTPF (Long-Term Planning & Forecasting): You will develop causal inference models, automated explainability frameworks, and variance bridging methodologies that translate LTPF"s forecasts and plans into actionable business intelligence.
Principal Data Scientist, Prime Video Amazon.com IncPrincipal Data Scientist, Prime VideoSeattle, WAYou will build cross-functional support within Prime Video for high-quality, rigorous measurement, assess business problems, and support iterative scientific solutions that balance short-term delivery with long-term science roadmaps. The ideal candidate brings experience building experiment-based measurement systems at scale, excellent stakeholder communication skills, and the ability to balance technical rigor with delivery speed and customer impact.
Lead Data Scientist VisaLead Data ScientistBellevue, WA$180,000–$288,000 / yearMasters, MBA, JD, MD) or 6+ years of work experience with a PhD • Three (3) years of experience building AI / ML powered models for predictive analytics / insights • Four (4) years of experience solving data problems using data technologies (e.g., Hadoop, Hive, Kafka, Redis, NoSQL, RDBMS). Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid.
Senior Plasma Data Scientist Helion Energy IncSenior Plasma Data ScientistEverett, WAYou Will: Develop and validate machine‑learning frameworks for FRC plasma‑dynamics, leveraging physics‑grounded ML approaches (e.g., differentiable physics, PINNs, surrogate modeling, or hybrid physics+ML systems). Since Helions founding in 2013, we have raised over $1 billion from long-time investors such as Sam Altman, Mithril, and Capricorn Investment Group as well as new investors SoftBank and Lightspeed to propel us forward.
Staff Research Scientist - Physical AI / Multimodality SnowflakeStaff Research Scientist - Physical AI / MultimodalityBellevue, WashingtonDesign and build scalable training infrastructure for representation models (e.g., contrastive and self-supervised approaches like CLIP/SigLIP, DINO/MAE, and joint-embedding predictive architectures). We look for low-ego individuals who thrive in dynamic and fast-moving environments and move with an experimental mindset — who rapidly test emerging capabilities to discover simpler, more powerful ways to deliver results.
Sr Applied Scientist, Responsible AI Amazon.com IncSr Applied Scientist, Responsible AISeattle, WAWe offer talented security professionals the chance to accelerate their careers with opportunities to build experience in a wide variety of areas including cloud, devices, retail, entertainment, healthcare, operations, and physical stores. As a scientist on this team, you will: understand in depth the technical and scientific issues related to RAI, including controllability, security, privacy, safety, veracity, robustness, fairness, explainability, transparency, and governance.
Data Scientist Twitch Interactive IncData ScientistSeattle, WA$136,000–$184,000 / yearYou''ll partner closely with product, engineering, finance, and data teams to measure the impact of new features, design and analyze experiments, and apply causal inference methods to inform decisions where A/B testing isn''t possible. The work ranges from high-velocity experimentation on consumer-facing products to deeper pricing, policy, and segmentation analyses where causal identification is the central challenge.
Data Scientist III, Supply Chain Optimization Technologies (SCOT), Inbound Planning Science Amazon.com IncData Scientist III, Supply Chain Optimization Technologies (SCOT), Inbound Planning ScienceBellevue, WAWe are looking for a Data Scientist who will be responsible to develop scientific solutions to optimize our inbound fulfillment strategy across multiple networks and global regions, to maximize our Customer Experience and minimize our cost to serve and carbon footprint. Consult and collaborate with business and technical stakeholders across multiple teams to define new opportunities to optimize our Supply Chain.
Data Scientist III, Rapid & Rural Logistics (R2L) Science & AI Amazon.com IncData Scientist III, Rapid & Rural Logistics (R2L) Science & AIBellevue, WAThis role is uniquely positioned in the team as we have a growing need for looking around corners, prioritizing opportunities using data driven insights, and finding solutions to these opportunities using different machine learning techniques and causal inference models. The R2L team is responsible for building the next generation supply chain for Amazon's world-class ultra-fast customer experiences including Amazon Fresh groceries, Sub-Same Day, Amazon Now, and other soon-to-launch exciting new businesses.
Applied Scientist II, AWS DynamoDB Amazon.com IncApplied Scientist II, AWS DynamoDBSeattle, WAYou will work backwards from customer experience and fleet economics to find where capacity is used inefficiently, where scaling bottlenecks constrain the service, and where smarter data placement can raise utilization without degrading latency or availability. Amazon DynamoDB is a fully managed NoSQL database that serves more than 1 million customers and delivers single-digit millisecond performance at any scale.
Principal Experimental Scientist HelionPrincipal Experimental ScientistEverett, WAIntegrate cross-disciplinary technical input from experts across Helion-including plasma physics, machine operations, controls, and data science-to align diagnostic capabilities with real-time operational needs and long-term scientific milestones. Demonstrated track record using diagnostic measurements (e.g., interferometry, spectroscopy, Langmuir probes, magnetic coils, electrostatic diagnostics) to evaluate plasma parameters such as density, temperature, and current profiles, directly influencing system improvements.
Principal Applied Scientist, Selling Partner Selection Success Amazon.com IncPrincipal Applied Scientist, Selling Partner Selection SuccessSeattle, WAThe Selling Partner Selection Success org is looking for a Principal Applied Scientist to lead us on our mission to provide selection success support on Amazon, and empower sellers to grow their business and provide a great customer experience. As a Principal Applied Scientist on our team of scientists and engineers, you will have opportunities to create significant impact on our systems, our business and most importantly, our customers as we take on challenges that can revolutionize the e-commerce industry.
Applied Scientist, Prime Video - Marketing Science Amazon.com IncApplied Scientist, Prime Video - Marketing ScienceSeattle, WAPrime members can customize their viewing experience and find their favorite movies, series, documentaries, and live sports - including Amazon MGM Studios-produced series and movies; licensed fan favorites; and programming from Prime Video add-on subscriptions such as Apple TV+, Max, Crunchyroll and MGM+. As a Prime Video technologist, you'll have end-to-end ownership of the product, user experience, design, and technology required to deliver state-of-the-art experiences for our customers.
Applied Scientist II, Personalization Amazon.com IncApplied Scientist II, PersonalizationSeattle, WAYou will have a breadth of problems to work on, ranging from developing state of the art LLM-based techniques to reason about customers and products, developing deep learned transformer-based models to understand and abstract customer intent signals and representations, building large-scale real-time multi-task ranking systems, and more. Our team is part of Amazon's Personalization organization, a high-performing group that leverages Amazon's expertise in machine learning, big data, distributed systems, and user experience design to deliver the best shopping experiences for our customers.
Senior Applied Scientist, Sales Insights Analytics and Data Science (SIADS) Amazon.com IncSenior Applied Scientist, Sales Insights Analytics and Data Science (SIADS)Seattle, WAAWS Sales, Marketing, and Global Services (SMGS) is responsible for driving revenue, adoption, and growth from the largest and fastest growing small- and mid-market accounts to enterprise-level customers including public sector. We pioneered cloud computing and never stopped innovating - that's why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses.
Applied Scientist - Simulation and Large-Scale RL, Amazon Robotics - Vulcan Stow Amazon.com IncApplied Scientist - Simulation and Large-Scale RL, Amazon Robotics - Vulcan StowSeattle, WAThe robots our organization already deploys at scale give you a rare proving ground to collect data, run experiments, and get new policies onto real hardware faster than almost anywhere in the field. Our organization in Amazon Robotics builds robots that perform contact-rich manipulation safely and reliably in complex, unstructured environments at Amazon scale.
Senior Applied Scientist - Manipulation RL, Amazon Robotics - Vulcan Stow Amazon.com IncSenior Applied Scientist - Manipulation RL, Amazon Robotics - Vulcan StowSeattle, WAYou will set the technical direction for how we learn these behaviors, from simulation training through reliable execution on physical robots, and you will demonstrate new manipulation capabilities on real hardware at scale. The robots our organization already deploys at scale give you a rare proving ground to collect data, run experiments, and get new policies onto real hardware faster than almost anywhere in the field.
Applied Scientist, Amazon Leo Satellite Build Systems Amazon.com IncApplied Scientist, Amazon Leo Satellite Build SystemsBellevue, WAYour work will power AI-enabled workflows such as non-conformance disposition, root-cause analysis, and predictive test optimization - reducing defects, accelerating production, and helping create more intelligent, data-driven manufacturing systems. You may start by partnering with Quality and Manufacturing teams to define a training dataset for a root-cause prediction model, including how historical cases should be labeled and evaluated.
Staff Research Scientist, AI Agents & Llms SnowflakeStaff Research Scientist, AI Agents & LlmsBellevue, WA$236,000–$339,200 / yearAt the intersection of autonomous agents and large language models (LLMs), you will build the models and systems that turn enterprise data into self-directed, decision-making agents-shifting from passive data access to autonomous execution. We look for low-ego individuals who thrive in dynamic and fast-moving environments and move with an experimental mindset - who rapidly test emerging capabilities to discover simpler, more powerful ways to deliver results.
Senior Ai/Ml Applied Scientist - Remote UnitedHealth Group Inc.Senior Ai/Ml Applied Scientist - RemoteBellevue, WARemote$130,000–$162,500 / yearWe develop AI/ML solutions for the highest impact opportunities across UnitedHealth Group businesses including UnitedHealthcare, Optum Financial, Optum Health, Optum Insight, and Optum Rx. We are committed to mitigating our impact on the environment and enabling and delivering equitable care that addresses health disparities and improves health outcomes - an enterprise priority reflected in our mission.