User research Jobs in California

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Research Scientist

DataAnnotation

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Concord, California, USA

Full-time

Job DescriptionWe are looking for an advanced physicist to join our team to train AI models. You will measure the progress of these AI chatbots, evaluate their logic, and solve problems to improve the quality of each model. In this role you will need to hold an expert understanding of physics- a completed or in progress Masters/PhD is preferred but not required. Other related fields include, but are not limited to: Astrophysics, Biophysics, Electrical Engineering, Nuclear Engineering, Chemical E
Posted 38 days ago | Updated 12 hours ago

Research Scientist

DataAnnotation

•

Cerritos, California, USA

Full-time

Job DescriptionWe are looking for an advanced physicist to join our team to train AI models. You will measure the progress of these AI chatbots, evaluate their logic, and solve problems to improve the quality of each model. In this role you will need to hold an expert understanding of physics- a completed or in progress Masters/PhD is preferred but not required. Other related fields include, but are not limited to: Astrophysics, Biophysics, Electrical Engineering, Nuclear Engineering, Chemical E
Posted 38 days ago | Updated 12 hours ago

Research Scientist

DataAnnotation

•

Carlsbad, California, USA

Full-time

Job DescriptionWe are looking for an advanced physicist to join our team to train AI models. You will measure the progress of these AI chatbots, evaluate their logic, and solve problems to improve the quality of each model. In this role you will need to hold an expert understanding of physics- a completed or in progress Masters/PhD is preferred but not required. Other related fields include, but are not limited to: Astrophysics, Biophysics, Electrical Engineering, Nuclear Engineering, Chemical E
Posted 38 days ago | Updated 12 hours ago

Research Scientist

DataAnnotation

•

Burbank, California, USA

Full-time

Job DescriptionWe are looking for an advanced physicist to join our team to train AI models. You will measure the progress of these AI chatbots, evaluate their logic, and solve problems to improve the quality of each model. In this role you will need to hold an expert understanding of physics- a completed or in progress Masters/PhD is preferred but not required. Other related fields include, but are not limited to: Astrophysics, Biophysics, Electrical Engineering, Nuclear Engineering, Chemical E
Posted 38 days ago | Updated 12 hours ago

Research Scientist

DataAnnotation

•

Bodega Bay, California, USA

Full-time

Job DescriptionWe are looking for an advanced physicist to join our team to train AI models. You will measure the progress of these AI chatbots, evaluate their logic, and solve problems to improve the quality of each model. In this role you will need to hold an expert understanding of physics- a completed or in progress Masters/PhD is preferred but not required. Other related fields include, but are not limited to: Astrophysics, Biophysics, Electrical Engineering, Nuclear Engineering, Chemical E
Posted 38 days ago | Updated 12 hours ago

Research Scientist

DataAnnotation

•

Brea, California, USA

Full-time

Job DescriptionWe are looking for an advanced physicist to join our team to train AI models. You will measure the progress of these AI chatbots, evaluate their logic, and solve problems to improve the quality of each model. In this role you will need to hold an expert understanding of physics- a completed or in progress Masters/PhD is preferred but not required. Other related fields include, but are not limited to: Astrophysics, Biophysics, Electrical Engineering, Nuclear Engineering, Chemical E
Posted 38 days ago | Updated 12 hours ago

Research Scientist

DataAnnotation

•

Bakersfield, California, USA

Full-time

Job DescriptionWe are looking for an advanced physicist to join our team to train AI models. You will measure the progress of these AI chatbots, evaluate their logic, and solve problems to improve the quality of each model. In this role you will need to hold an expert understanding of physics- a completed or in progress Masters/PhD is preferred but not required. Other related fields include, but are not limited to: Astrophysics, Biophysics, Electrical Engineering, Nuclear Engineering, Chemical E
Posted 38 days ago | Updated 12 hours ago

Research Scientist

DataAnnotation

•

Anaheim, California, USA

Full-time

Job DescriptionWe are looking for an advanced physicist to join our team to train AI models. You will measure the progress of these AI chatbots, evaluate their logic, and solve problems to improve the quality of each model. In this role you will need to hold an expert understanding of physics- a completed or in progress Masters/PhD is preferred but not required. Other related fields include, but are not limited to: Astrophysics, Biophysics, Electrical Engineering, Nuclear Engineering, Chemical E
Posted 38 days ago | Updated 12 hours ago

Research Scientist

DataAnnotation

•

Alameda, California, USA

Full-time

Job DescriptionWe are looking for an advanced physicist to join our team to train AI models. You will measure the progress of these AI chatbots, evaluate their logic, and solve problems to improve the quality of each model. In this role you will need to hold an expert understanding of physics- a completed or in progress Masters/PhD is preferred but not required. Other related fields include, but are not limited to: Astrophysics, Biophysics, Electrical Engineering, Nuclear Engineering, Chemical E
Posted 38 days ago | Updated 12 hours ago

Lead Data Scientist - Operations Research

McKesson Corporation

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Remote or Irving, Texas, USA

Full-time

McKesson is an impact-driven, Fortune 10 company that touches virtually every aspect of healthcare. We are known for delivering insights, products, and services that make quality care more accessible and affordable. Here, we focus on the health, happiness, and well-being of you and those we serve - we care. What you do at McKesson matters. We foster a culture where you can grow, make an impact, and are empowered to bring new ideas. Together, we thrive as we shape the future of health for patien
Posted 27 days ago | Updated moments ago

Research Scientist Intern (TikTok- Data- RecScience) - 2025 Summer (PhD)

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Intern Job Code : A108483A Apply to this job Share this listing: Responsibilities Our team's mission is to empower GenAI and content understanding in TikTok businesses. Computer vision and natural language processing are important dimensions in both content generation and understanding. We are working on various foundational models, including multi-modality pre-training, multi-modal large language model, image generation, video generation etc. As a Ge
Posted 60+ days ago | Updated moments ago

GPU Research Engineer

Qualcomm Technologies

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San Diego, California, USA

Full-time

Company: Qualcomm Technologies, Inc. Job Area: Engineering Group, Engineering Group > GPU ASICS Engineering General Summary: As a leading technology innovator, Qualcomm pushes the boundaries of what's possible to enable next-generation experiences and drives digital transformation to help create a smarter, connected future for all. As a Qualcomm GPU Engineer, you may architect, design, implement, verify, and/or optimize the performance and power of GPU cores. Qualcomm Engineers collaborate wi
Posted 5 days ago | Updated moments ago

Research Assistant - 100% Remote

Cassidy Consulting Group

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Remote

Full-time

Remote Opportunity The Research Assistant supports financial analysts, auditors, and managers by gathering, analyzing, and organizing data related to operations. This position plays a vital role in supporting audit readiness, financial reporting, and compliance with federal financial management regulations. The ideal candidate will have strong research and analytical skills and a foundational understanding of federal government finance or accounting. Responsibilities: Conduct research and data c
Easy Apply
Posted 60+ days ago | Updated 27 days ago

Research Engineer - Foundation Models, Ads Integrity

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A143589 Apply to this job Share this listing: Responsibilities Our Business Integrity team has a strong user focus and a dedication to technical excellence. We aim to meet our users' needs with reliable and high-performing platforms and services. We are looking for strong machine learning engineers who are excited to grow their business understanding, build highly scalable machine learning models, and partner across disciplines with
Posted 14 days ago | Updated moments ago

Senior Optimization Engineer (Operations Research)

Uber Corporate

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San Francisco, California, USA

Full-time

About the Role The mission of the Surge team is to maintain overall marketplace reliability by balancing supply/demand in real-time through dynamic pricing. We build scalable real-time systems to understand the state of the market, forecast future demand, make predictions using ML models, solve network optimization programs, and eventually make pricing decisions for each rider session. Surge plays a critical role in service of Uber's mission to make transport accessible. We generate billions o
Posted 37 days ago | Updated moments ago

Research Associate II - iPSc culture

Software Guidance & Assistance

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South San Francisco, California, USA

Contract

Software Guidance & Assistance, Inc., (SGA), is searching for a Research Associate II - iPSc culture for a contract assignment with one of our premier Pharmaceutical clients in South San Francisco, CA. Responsibilities : Looking for a self-motivated, intellectually curious Research Associate to support ongoing activities. Will be a skilled lab-based iPSc stem cell biologist who thrives in a fast-paced and collaborative scientific environment. Primary responsibility will be to execute protoc
Posted 8 days ago | Updated 11 hours ago

Sr Machine Learning Engineer, Applied Research Science

Pinterest, Inc.

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San Francisco, California, USA

Full-time

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we're on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product. Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other's unique experiences and embrace the flexibility
Posted 60+ days ago | Updated moments ago

Senior Research Engineer, TikTok AI Video Editing

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A193376A Apply to this job Share this listing: Responsibilities Team & Project Introduction: We are developing a next-generation AI-powered video editing tool designed to make high-quality video creation accessible to everyone. At the core of this initiative is an intelligent assistant embedded within creative workflows, capable of understanding user intent and automating complex editing tasks. As a member of this mission-driven tea
Posted 43 days ago | Updated moments ago

Senior Engineer, AI Research

Qualcomm Technologies

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San Diego, California, USA

Full-time

Company: Qualcomm Technologies, Inc. Job Area: Engineering Group, Engineering Group > Machine Learning Engineering General Summary: Qualcomm AI Research is looking for world-class researchers in deep learning to join a high-caliber team of engineers inventing machine-learning technology to provide best-in-class solutions while running with the most efficient use of power, memory, and computation. Members of our team are part of a multi-disciplinary core research group within Qualcomm which sp
Posted 60+ days ago | Updated moments ago

Research Engineer, TikTok AI Video Editing

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A121721A Apply to this job Share this listing: Responsibilities Team & Project Introduction: We are developing a next-generation AI-powered video editing tool designed to make high-quality video creation accessible to everyone. At the core of this initiative is an intelligent assistant embedded within creative workflows, capable of understanding user intent and automating complex editing tasks. As a member of this mission-driven tea
Posted 48 days ago | Updated moments ago