machine learning scientist Jobs in california

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Senior Machine Learning Engineer, Tidal Product AI

Block Inc

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California, USA

Full-time

TIDAL was founded for artists by artists as the next innovative streaming platform to bring value back to the music industry. We empower artists with the products, resources, services, and content required to take control of their careers and connect more deeply with fans. Available in over 60+ countries, TIDAL continues to help artists break down economic barriers to continue creating what's next in culture. TIDAL is part of Block, Inc. (NYSE: SQ), a global technology company with a focus on fi
Posted 11 days ago | Updated 11 hours ago

Senior Machine Learning Engineer, Rider Experience

Uber Corporate

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San Francisco, California, USA

Full-time

About the Role Rider Experience drives and enables the critical trip booking funnel within the Rides app that makes up almost all of the trip transactions and contributes tremendously to business growth. We actively explore algorithmic improvements to how we help millions of riders find and discover the right products every hour to move around the world, and power smart and intuitive experiences for them. Senior Softwareengineers at Uber are passionate and pragmatic technologists who are able
Posted 11 hours ago

Senior Machine Learning Engineer - Data Gen AI team

Uber Corporate

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San Francisco, California, USA

Full-time

About the Role We are looking for a highly-motivated software engineer to join our Data GenAI team, which focuses on providing machine learning/GenAI solutions to improve both Uber's data utilization productivity and large scale data processing efficiency. You will work on a variety of projects including GenAI applications, predictive machine learning models and infrastructure software engineering. It is a special opportunity for you to work in the cross-road of machine learning and data infras
Posted 17 days ago | Updated 11 hours ago

Senior Machine Learning Infrastructure Engineer - DGX Cloud

NVIDIA Corporation

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Remote or Santa Clara, California, USA

Full-time

NVIDIA is hiring engineers to scale up its AI Infrastructure. We expect you to have a strong programming background, knowledge of datacenter hardware, operations, and networking, familiarity with software testing and deployment, familiarity with distributed systems, and excellent communication and planning abilities. We also welcome out-of-the-box thinkers who can provide new ideas with a strong execution bias. Expect to be constantly challenged, improving, and evolving for the better. You and o
Posted 23 days ago | Updated 11 hours ago

Staff Machine Learning Engineer, Ads Conversion Modeling

Pinterest, Inc.

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Remote or 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 50 days ago | Updated 11 hours ago

Sr. Staff Machine Learning Engineer, Homefeed

Pinterest, Inc.

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Remote or 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 9 days ago | Updated 11 hours ago

(General Hire) Machine Learning Engineer Intern (TikTok-Recommendation) - 2026 Summer (BS/MS)

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Intern Job Code : A104605 Apply to this job Share this listing: Responsibilities About the Team Recommendation algorithm team plays a central role in the company, driving critical product decisions and platform growth. The team is made up of machine learning researchers and engineers, who support and innovate on production recommendation models and drive product impact. The team is fast-pacing, collaborative and impact-driven. We are looking for talen
Posted 5 days ago | Updated 10 hours ago

Senior Machine Learning Engineer

Amgen Inc

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Remote or Thousand Oaks, California, USA

Full-time

Career Category Information Systems Job Description Join Amgen's Mission of Serving Patients At Amgen, if you feel like you're part of something bigger, it's because you are. Our shared mission-to serve patients living with serious illnesses-drives all that we do. Since 1980, we've helped pioneer the world of biotech in our fight against the world's toughest diseases. With our focus on four therapeutic areas -Oncology, Inflammation, General Medicine, and Rare Disease- we reach millions of pat
Posted 16 days ago | Updated 11 hours ago

(General Hire) Machine Learning Engineer Graduate (Commerce& Content Service & Search Ads) - 2026 Start (PhD)

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A08786 Apply to this job Share this listing: Responsibilities Monetization Technology teams are building the next-generation monetization platforms to help millions of customers grow their businesses, utilizing our products like TikTok. Our team develops a wide variety of advertisements for numerous uses including feeds, live streaming, branding, measurement, targeting, search, vertical solutions, creative solutions, and business in
Posted 5 days ago | Updated 10 hours ago

Senior Machine Learning Engineer, GenAI 3D

Roblox

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San Mateo, California, USA

Full-time

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. At Roblox, we're building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device.We're on a mission to connect a billion people with op
Posted 11 days ago | Updated 11 hours ago

Senior Machine Learning Engineer, TikTok Core Feed Recommendation - Dedup

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A244339 Apply to this job Share this listing: Responsibilities About the Team Dedup team drives research and develops cutting-edge AI technologies that power core product experiences. Our work focuses on building large-scale, high-performance systems that support key strategies such as video deduplication, originality recognition, copyright detection, content safety, and content moderation. We are committed to delivering a seamless
Posted 60+ days ago | Updated 10 hours ago

Machine Learning Engineer, TikTok Core Feed Recommendation - Dedup

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A15293 Apply to this job Share this listing: Responsibilities About the Team Dedup team drives research and develops cutting-edge AI technologies that power core product experiences. Our work focuses on building large-scale, high-performance systems that support key strategies such as video deduplication, originality recognition, copyright detection, content safety, and content moderation. We are committed to delivering a seamless a
Posted 60+ days ago | Updated 10 hours ago

Machine Learning Engineer Graduate Short Video Content Ecology - 2026 Start (PhD)

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A99837 Apply to this job Share this listing: Responsibilities The Content Ecology team aims to leverage AI and machine learning algorithms to build a suite of strategic models and platform solutions that enhance user experience across various sub-businesses under the short video business line. Our focus areas include: - TikTok Intelligent Customer Service: Utilizing large language models to address intelligent customer service and c
Posted 5 days ago | Updated 10 hours ago

Software Engineer, ML Inference Compiler & Deployment, AI Frameworks

Tesla Motors

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Palo Alto, California, USA

Full-time

As a Software Engineer within our Autonomy teams, you will contribute to one of the most advanced and widely deployed AI Platforms in the world, powering Autopilot and our Humanoid Robot, Optimus. In this role, you will be responsible for the internal working of the AI inference stack and compiler running neural networks in millions of Tesla vehicles and Optimus. You will collaborate closely with the AI Engineers and Hardware Engineers to understand the full inference stack and design the compi
Posted 41 days ago | Updated 11 hours ago

Staff Software Engineer, Machine Learning

Discord Inc.

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Remote or San Francisco, California, USA

Full-time

Discord is used by over 200 million people every month for many different reasons, but there's one thing that nearly everyone does on our platform: play video games. Over 90% of our users play games, spending a combined 1.5 billion hours playing thousands of unique titles on Discord each month. Discord plays a uniquely important role in the future of gaming. We are focused on making it easier and more fun for people to talk and hang out before, during, and after playing games. We're currently l
Posted 9 days ago | Updated 11 hours ago

AI/ML Engineer

Ledgent Technology

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Remote

Contract

Senior AI/ML Engineer - Remote Contract-to-Hire: 6 months, then convert to FTE Pay Rate: $80 - $90/hr Requirements 5+ years as an AI/ML Engineer with a focus on healthcare AI/ML use cases. 5+ years of experience with Python and machine learning frameworks such as scikit-learn, SparkML, TensorFlow, PyTorch, pandas, Hugging Face, etc. Strong understanding of machine learning algorithms (e.g., supervised and unsupervised learning, natural language processing, reinforcement learning). Proven trac
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Posted 6 days ago | Updated moments ago

Senior Machine Learning Engineer (Multiple Positions)

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A49156 Apply to this job Share this listing: Responsibilities About TikTok TikTok is the leading destination for short-form mobile video. At TikTok, our mission is to inspire creativity and bring joy. TikTok's global headquarters are in Los Angeles and Singapore, and we also have offices in New York City, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo. Why Join Us Inspiring creativity is at the core of TikTok's miss
Posted 13 days ago | Updated 10 hours ago

Principal Machine Learning Engineer, Account Authentication

Roblox

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San Mateo, California, USA

Full-time

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. At Roblox, we're building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device.We're on a mission to connect a billion people with op
Posted 10 days ago | Updated 11 hours ago

Staff Machine Learning Engineer - Causal Inference

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 39 days ago | Updated 11 hours ago

(General Hire) Machine Learning Engineer Graduate (Commerce& Content Service & Search Ads)- 2026 Start(BS/MS)

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A133206A Apply to this job Share this listing: Responsibilities Global Monetization Product and Technology teams are building the next-generation monetization platforms to help millions of customers grow their businesses, utilizing our products like TikTok. Our team develops a wide variety of advertisements for numerous uses including feeds, live streaming, branding, measurement, targeting, search, vertical solutions, creative solut
Posted 1 day ago | Updated 10 hours ago