Data Scientist jobs in San Jose, CA

Fulltime :: Senior Data Scientist / ML Engineer :: San Jose, CA (Onsite)

San Jose, California

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Today

Summary Works directly with Client and its data to build, train and deploy next-generation LLM-based recommender systems. Works closely with the client's science team, the AWS account team and the AWS Applied Scientist leading the science. The role covers the full path from raw customer data to a deployed model. Responsibilities: Data to training sets: turn unstructured and structured traveler and catalog data into narrative text documents and synthetic data, at a scale of tens of millions of do

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Full-time

Senior Data Scientist

Sunnyvale, California

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Today

What you'll do Position: Senior Data Scientist Job Location: 1375 Crossman Avenue, Sunnyvale, CA 94089 Duties: Develop custom data models to drive innovative business solutions. Build complex data sets from multiple data sources, both internally and externally. Conduct advanced statistical analysis to determine trends and significant data relationships. Build learning systems to analyze and filter continuous data flows and offline data analysis. Train algorithms to apply models to new data se

Full-time

USD 168,917.00 - 234,000.00 per year

Staff Data Scientist

Sunnyvale, California

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Today

What you'll do Position: Staff Data Scientist Job Location: 1375 Crossman Avenue, Sunnyvale, CA 94089 Duties: Build complex data sets from multiple data sources, both internally and externally. Conduct advanced statistical analysis to determine trends and significant data relationships. Build learning systems to analyze and filter continuous data flows and offline data analysis. Train algorithms to apply models to new data sets. Validate models and algorithmic techniques. Scale new algorithms

Full-time

USD 172,170.00 - 286,000.00 per year

Staff, Data Scientist

Sunnyvale, California

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Today

Position Summary What you'll do Role summary: We are looking for a Staff Data Scientist to drive innovation across Walmart's BuyBox, Search & Personalization ecosystem. You will develop next-generation machine learning solutions spanning ranking, recommendation systems, Generative AI, and neural networks. You will lead high-impact initiatives from problem formulation and research through experimentation, deployment, and continuous improvement, partnering closely with Product, Engineering, and

Full-time

USD 143,000.00 - 286,000.00 per year

Principal Data Scientist

Mountain View, California

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Today

Overview Microsoft Copilot is building an ecosystem of AI-powered consumer experiences across Search, Copilot, Edge, MSN, and beyond. The MAI Ecosystem Data Science team defines the metrics, experimentation frameworks, and measurement systems that shape how Microsoft AI evaluates success, identifies opportunities, and makes investment decisions at scale. We are seeking a Principal Data Scientist to lead ecosystem-level measurement strategy across products and businesses. In this role, you will

Full-time

USD 142,800.00 - 274,800.00 per year

Senior Data Scientist

Mountain View, California

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Today

Overview As Microsoft continues to push the boundaries of AI, we are on the lookout for passionate individuals to work with us on the most interesting and challenging AI questions of our time. Our vision is bold and broad - to build systems that have true artificial intelligence across agents, applications, services, and infrastructure. It's also inclusive: we aim to make AI accessible to all - consumers, businesses, developers - so that everyone can realize its benefits. AI Experiences (AIX) i

Full-time

USD 119,800.00 - 234,700.00 per year

Principal Data Scientist

San Jose, California

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Today

It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed to bringing passion and customer focus to the business. If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us! As a Principal Data Scientist at Lumentum Operations LLC, you will lead the development and deployment of advanced analytical solutions to drive business innovation and operational excellence. You will leverage your expertise in data s

Full-time

Compensation information provided in the description

ML - Data Scientist

Sunnyvale, California

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Today

Do you want to decide whether a generative imaging feature is good enough to ship? Our team evaluates generative image and video features. These features reach a very large number of people on Apple devices. You will build the evaluation systems, human-annotation programs, and automated metrics that turn \\"this looks better\\" into measurable, trustworthy quality signals. Those signals guide model development and release decisions. Description You'll own quality evaluation end to end - from e

Full-time

AIML - Data Scientist, Evaluation

Cupertino, California

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Today

Do you get excited by building software systems to enhance the automatic evaluation of various Apple AI products? Our Evaluation organization is responsible for providing principled assessments across a diverse range of Apple features, from Search, Siri to the latest Apple Intelligence capabilities. As part of our online metrics and insights team, we are looking for a Sr Data Scientist to contribute to product understanding and development of Apple features. This role involves using analytical a

Full-time

Data Scientist, Audio Telemetry Intelligence

Cupertino, California

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Today

Imagine what you could do at Apple! Everyday, new ideas have a way of becoming extraordinary products, services, and customer experiences very quickly. Do you bring passion and dedication to your job? If so, we are looking for individuals like you. The Media Graphics Compute Technologies (MGC) group is at the center of audio, video, and graphics in Apple's innovative products, including the iPhone, iPad, Mac, Apple Watch, AirPods, HomePod, Apple TV and Vision Pro. Our work directly impacts the e

Full-time

(USA) Distinguished, Data Scientist

Sunnyvale, California

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Today

Position Summary What you'll do Role summary: We are hiring a Distinguished Data Scientist to lead the design and development of Walmart Connect's next-generation ads incrementality measurement platform. We are looking for a scientist with rare depth in causal inference, incrementality and RCT experimentation who thrives on doing the hard technical work, not just directing it. You will own the methodology end-to-end, partner with engineering and product to carry solutions into production, and s

Full-time

USD 169,000.00 - 338,000.00 per year

Data Scientist - Intelligent Experiences, MLO

Cupertino, California

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Today

Do you believe machine learning and AI can change the world? We do. We're the ML Data team within Apple's Intelligent System Experience (ISE) group, and we build the high-quality, high-scale datasets that train the ML features across many Apple products - iPhone, iPad, Mac, Apple Watch, AirPods and the newly released HomeView. Our work sits behind some of the most visible and personal experiences Apple ships: the wallpaper on your Lock Screen, personalized stickers in iMessage, on-device Genmoji

Full-time

Data Scientist, US Decision Intelligence

Cupertino, California

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Today

Imagine what you could do here. At Apple, new ideas have a way of becoming outstanding products, services, and customer experiences very quickly. Bring passion and dedication to your job, and there's no telling what you could accomplish. Apple's Sales organization generates the revenue needed to fuel our ongoing development of products and services. This, in turn, enriches the lives of hundreds of millions of people around the world. We are, in many ways, the face of Apple to our largest custom

Full-time

Senior Data Scientist

Santa Clara, California

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2d ago

Hi, Greetings of the day!! Senior Data Scientist GenAI / RAGLocation - Houston TX / Santa Clara CA3 rounds of internal technical interviewsWilling to attend an in-person interview at Santa Clara, CA / Houston TX officeMust Have - 5 to 7 years of Relevant experience is neededHands-on Agentic AI production experience LangGraph, LangChain, MCP, tool calling, agent orchestration (not POC/hackathon only)RAG implementation depth vector databases, hybrid retrieval, reranking, knowledge graphsAWS

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Full-time

Depends on Experience

(USA) Staff, Data Scientist

Sunnyvale, California

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18d ago

Position Summary What you'll do Role summary: The Staff Data Scientist provides technical leadership for large-scale Search and Personalization initiatives, driving the design and deployment of advanced AI solutions across multiple products. This role influences technical strategy, mentors senior scientists, and partners across engineering and product organizations to deliver scalable machine learning systems that improve customer discovery and business outcomes. **Immigration Sponsorship supp

Full-time

USD 143,000.00 - 286,000.00 per year

(USA) Senior, Data Scientist

Sunnyvale, California

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Today

Position Summary What you'll do About the Team Retail AI Foundations is part of the Retail Intelligence group within Walmart's AI & Data organization. The team develops and deploys Generative AI and machine learning platforms, models, and services across Walmart's highest-impact growth pillars-including AI Shopping, Social Commerce, Walmart Connect advertising, creator experiences, marketing, and rich-media content. Our Applied Science and ML Engineering teams build AI capabilities across Lar

Full-time

USD 117,000.00 - 234,000.00 per year

Senior Data Scientist

Santa Clara, California

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Today

Ericsson Inc. does not sponsor U.S work authorizations for this job position including U.S. immigration filings for initial and/or change of employer paperwork for H-1's, H-1B1's, E-3's, O-1's, and TN's. Ericsson also does not hire F-1's working on CPT orfor this position. This role will be sitting out of our Santa Clara, CA office and relocation support isnt available at this time. About this opportunity The AI Innovation & Incubation (A) team in Silicon Valley is a group of applied research

Full-time

USD 156,000.00 - 204,225.00 per year

(USA) Principal, Data Scientist

Sunnyvale, California

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Today

Position Summary What you'll do Walmart Marketplace Walmart Marketplace is a key part of e-commerce at Walmart. It is a gateway for Third-Party Sellers to manage their operations, such as onboarding, catalogs, order fulfillment, global opportunities, and return & refund management. We are responsible for providing the best in-class marketplace experience for our sellers and customers through the design, development, and operations of highly scalable systems. We interact with multiple teams with

Full-time

USD 143,000.00 - 286,000.00 per year

Senior Data Scientist, ML- Fraud Prevention

San Jose, California

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Today

Senior Data Scientist, ML- Fraud Detection & Effectiveness The Opportunity We are seeking an experienced Senior Machine Learning Data Scientist to build fraud and abuse detection models and measure how effectively they work. This role combines hands-on modeling with deep experimentation, evaluation, and analytics to improve detection and quantify business impact. You will work across the fraud lifecycle - from modeling and ground-truth definition to performance measurement, monitoring, and ex

Full-time

USD 133,100.00 - 236,400.00 per year

Lead Data Scientist (User Growth)-TikTok

San Jose, California

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Today

Responsibilities The Product Data Analytics Team analyzes a combination of product usage and product performance data to derive meaningful insights that would serve as a guide to better product and decision making for our business leaders. As a member of the data science team, you will work with diverse and highly collaborative teams of product managers, engineers, and other data analysts to drive product impact. You will be working on exciting and challenging projects, and convert the insights

Full-time

USD 219,000.00 - 408,000.00 per year

Data Scientist jobs in San Jose, CA, USA