Express.js Jobs in California

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Research Engineer (LLM/ML/RL) - TikTok Ads Core ML, Ranking

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A62118 Apply to this job Share this listing: Responsibilities TikTok Ads Core ML Team aims at creating automatic delivery products for the next generation and developing advertising as a global business, instead of just a monetization tool to consolidate the delivery funnel framework allowing multiple teams to iterate parallel. We're looking for innovative Research Engineers focused on ML/RL/LLM or other relevant professional domain
Posted 60+ days ago | Updated 10 hours ago

Machine Learning Engineer Intern (TikTok - P- LLM/Content Understanding) - 2025 Start (PhD)

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Intern Job Code : A45454 Apply to this job Share this listing: Responsibilities Our mission is to empower professional creators, media partners, and organizations to produce high-quality content that engages, entertains, and informs TikTok's diverse global audience. We are a product-facing team and you will work closely with a multi-disciplinary team (Product, Engineers, Design, and Data) to define and build solutions for creators who inspire members
Posted 60+ days ago | Updated 10 hours ago

Machine Learning Engineer, Ecommerce Risk Control

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : 2WUV Apply to this job Share this listing: Responsibilities The E-Commerce Risk Control (ECRC) team's mission is : - To protect TikTok e-commerce users, including and beyond buyer, seller, creator; - To make Tiktok e-commerce the safest and most trusted place worldwide to transact online by securing the integrity of the e-commerce ecosystem and providing a safe shopping experience on the platform; - Through building software systems
Posted 60+ days ago | Updated 10 hours ago

Senior Machine Learning Engineer, TikTok Branding Ads

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : M9215 Apply to this job Share this listing: Responsibilities Build the most powerful content understanding engine on the world's leading short-video platform! Retrieve and rerank billions of videos, redefine the intelligent connection between advertising and content with multimodal large language model. TikTok Brand Ads team is hiring multiple MLE/SWE roles, focusing on the in-depth application of multimodal large language models in
Posted 60+ days ago | Updated 10 hours ago

Senior/Staff Big Data Storage and Computing Engineer, Recommendation Data Ecosystem

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A114757 Apply to this job Share this listing: Responsibilities Team Introduction Our team plays a crucial role in the data ecosystem of the TikTok Recommendation System, focusing on creating offline and real-time data storage solutions for large-scale recommendation, search, and advertising businesses, serving over 1 billion users. The core goals of the team are to ensure high system reliability, uninterrupted service, and smooth da
Posted 60+ days ago | Updated 10 hours ago

(General Hire) Machine Learning Engineer Intern (Commerce& Content Service & Search Ads) - 2025 Summer/Fall (BS/MS)

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Intern Job Code : A149347A 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 teams develop a wide variety of advertisements for numerous uses including feeds, live streaming, branding, measurement, targeting, vertical solutions, creative solutions, and business integrity
Posted 60+ days ago | Updated 10 hours ago

Tech Lead Machine Learning Engineer, Commerce Ads

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A09173 Apply to this job Share this listing: Responsibilities TikTok Commerce Ads team holds a strong advertiser focus and a dedication to technical excellence. We work with advertisers from all verticals, such as E-commerce, Retail, Travel etc, to make TikTok an irreplaceable growth channel for businesses of all sizes and a favourite destination for consumers to discover and purchase products, content, and services. We are on the c
Posted 60+ days ago | Updated 10 hours ago

Senior Machine Learning Engineer, Commerce Ads

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A49292 Apply to this job Share this listing: Responsibilities TikTok commerce ads team holds a strong advertiser focus and a dedication to technical excellence. We work with advertisers from all verticals, such as E-commerce, Retail, Travel etc, to make TikTok an irreplaceable growth channel for businesses of all sizes and a favourite destination for consumers to discover and purchase products, content, and services. We are on the c
Posted 60+ days ago | Updated 10 hours ago

Senior Frontend Software Engineer, TikTok User Growth - Innovative Growth

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A206229 Apply to this job Share this listing: Responsibilities About the Innovative Growth organization We own multiple product surfaces to serve TikTok's diverse content to different users and usage scenarios, including TikTok WebApp ( ), Vehicle Infotainment Systems (Tesla, etc.), and TikTok Tablet Apps. We are continually expanding to new surfaces. Together they form an important traffic matrix for TikTok to keep growing its user
Posted 60+ days ago | Updated 10 hours ago

Machine Learning Engineer, Commerce Ads

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A168575 Apply to this job Share this listing: Responsibilities TikTok commerce ads team holds a strong advertiser focus and a dedication to technical excellence. We work with advertisers from all verticals, such as E-commerce, Retail, Travel etc, to make TikTok an irreplaceable growth channel for businesses of all sizes and a favorite destination for consumers to discover and purchase products, content, and services. We are on the c
Posted 60+ days ago | Updated 10 hours ago

Senior Node.js Developer

Caspex Corporation

•

Sunnyvale, California, USA

Contract, Third Party

Position: Senior Node.js developer :: Remote Location: Sunnyvale, CA Duration: 12+ Months Job Description: Expertise and hands-on experience in object-oriented programmingExperience with NodeExperience of building GraphQLExperience with TypeScriptExperience with ReactExperience in developing highly scalable micro-services and optimized RESTful APIs using Node or TypeScriptExperience in Jest for unit testing application.Experience working with container-based technologies such as Docker or Kuber
Easy Apply
Posted 60+ days ago | Updated 2 days ago

Machine Learning Engineer Graduate (E-Commerce Risk Control)- 2025 Start (PhD)

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A174931 Apply to this job Share this listing: Responsibilities Team Introduction: The E-Commerce Risk Control (ECRC) team's mission is : - To protect TikTok e-commerce users, including and beyond buyer, seller, creator; - To make Tiktok e-commerce the safest and most trusted place worldwide to transact online by securing the integrity of the e-commerce ecosystem and providing a safe shopping experience on the platform; - Through bui
Posted 60+ days ago | Updated 10 hours ago

Software Engineer - GenAI , Ads Creative & Ecosystem

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A72641 Apply to this job Share this listing: Responsibilities A "creative" is the ad (in the form of a short-form video) served to TikTok users, composed of video, background music, call-to-action card, post-click landing page, and other formats that get delivered to users. A quote goes "creativity is the soul of advertising", because a good ad creative is effective, yet difficult to produce, especially at the scale of TikTok advert
Posted 60+ days ago | Updated 10 hours ago

Senior Software Engineer - GenAI , Ads Creative & Ecosystem

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A210333 Apply to this job Share this listing: Responsibilities A "creative" is the ad (in the form of a short-form video) served to TikTok users, composed of video, background music, call-to-action card, post-click landing page, and other formats that get delivered to users. A quote goes "creativity is the soul of advertising", because a good ad creative is effective, yet difficult to produce, especially at the scale of TikTok adver
Posted 60+ days ago | Updated 10 hours ago

Machine Learning Engineer Graduate (Large Language Models & Generative AI-US) - 2025 Start (BS/MS)

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A187222 Apply to this job Share this listing: Responsibilities Our team is pioneering the future of large language model-based applications with a focus on developing long-term memory capabilities and delivering personalized chat, search, and recommendation experiences. We're leveraging our deep expertise in artificial intelligence to create advanced AI algorithms that can understand, learn, and predict, dramatically enhancing user
Posted 60+ days ago | Updated 10 hours ago

Senior Software Engineer - AIPlatform, TikTok Monetization GenAI - San Jose

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A63122 Apply to this job Share this listing: Responsibilities We are Generative AI team under Monetization Technology. Our team focuses on developing cutting-edge Generative AI techs across all modalities, including text, image, videos, landing pages, etc., and creates industry-leading technical solutions to improve creative efficiency for advertisers, agencies and creators. We are committed to automated creative workflows by levera
Posted 60+ days ago | Updated 10 hours ago

Machine Learning Engineer, TikTok Ads Core Global - Traffic & Strategy

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A70821 Apply to this job Share this listing: Responsibilities TikTok Ads Core ML Team aims at creating automatic delivery products for the next generation and developing advertising as a global business, instead of just a monetization tool to consolidate the delivery funnel framework allowing multiple teams to iterate parallel. Ads Core Traffic Strategy & User Experience team is essential to TikTok's success, our work focuses are: -
Posted 60+ days ago | Updated 10 hours ago

Machine Learning Engineer Intern (Monetization Technology-Ads Core Technology) - 2025 Start (PhD)

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Intern Job Code : A155705A Apply to this job Share this listing: Responsibilities Ads Core ML Team aims at creating automatic delivery products for the next generation and developing advertising as a global business, instead of just a monetization tool to consolidate the delivery funnel framework allowing multiple teams to iterate parallel. We're looking for innovative Research Engineer Interns focused on ML/RL/LLM or other relevant professional domai
Posted 60+ days ago | Updated 10 hours ago

Senior Software Engineer - AI Safety, TikTok Ads Creative & Ecosystem

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A251088 Apply to this job Share this listing: Responsibilities A "creative" is the ad (in the form of a short-form video) served to TikTok users, composed of video, background music, call-to-action card, post-click landing page, and other formats that get delivered to users. A quote goes "creativity is the soul of advertising", because a good ad creative is effective, yet difficult to produce, especially at the scale of TikTok adver
Posted 60+ days ago | Updated 10 hours ago

Machine Learning Intern, Fall 2025

Netflix, Inc.

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Los Gatos, California, USA

Full-time

Netflix is one of the world's leading entertainment services, with 283 million paid memberships in over 190 countries enjoying TV series, films and games across a wide variety of genres and languages. Members can play, pause and resume watching as much as they want, anytime, anywhere, and can change their plans at any time. Netflix is reinventing entertainment from end to end. We are revolutionizing how shows and movies are produced, pushing technological boundaries to efficiently deliver strea
Posted 60+ days ago | Updated 10 hours ago