Express.js Jobs in California

841 - 860 of 930 Jobs

Software Development Engineer in Test - Multimodal AIAudio TechnologyJob Title - Software Development Engineer in Test - Multimodal AIAudio Technology

TikTokCompany Name - TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A128124 Apply to this job Share this listing: Responsibilities The Quality Technology Team focuses on the quality domain, providing a series of effective quality products and tools throughout the entire software engineering lifecycle from development, testing, and changes to online operation and maintenance. We work closely with the Speech Engineering team to helping them quickly build quality technology capabilities in areas such a

Data Science intern (TikTok-Product-Data Science-UG Mid-Platform-US) - 2025 Start (BS/MS)Job Title - Data Science intern (TikTok-Product-Data Science-UG Mid-Platform-US) - 2025 Start (BS/MS)

TikTokCompany Name - TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Intern Job Code : A88609 Apply to this job Share this listing: Responsibilities Team Introduction TikTok-Data Science team is responsible for all data science and analytics related work, cooperating with all key value chains in TikTok, including User Growth, P Content Ecosystem, Social, Creation, Product Infrastructure, Research and Science etc. The goal of the team is to generate actionable insights from data and help the stakeholders to make the rig

Software Engineer - AI Safety, TikTok Ads Creative & EcosystemJob Title - Software Engineer - AI Safety, TikTok Ads Creative & Ecosystem

TikTokCompany Name - TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A200135 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

Machine Learning Engineer Graduate (Ads Core Global) - 2025 Start (BS/MS)Job Title - Machine Learning Engineer Graduate (Ads Core Global) - 2025 Start (BS/MS)

TikTokCompany Name - TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A110211A Apply to this job Share this listing: Responsibilities We are the Ads Core Team from TikTok Global Monetization Technology. Our core mission is to generate revenue and optimize the user experience on the world's leading short-form video platform. Within the global monetization and advertising landscape, we are responsible for accelerating TikTok revenue growth through advanced machine learning technology and delivering opti

Machine Learning Engineer Graduate (Ads Measurement Signal and Privacy Technology) - 2025 Start (BS/MS)Job Title - Machine Learning Engineer Graduate (Ads Measurement Signal and Privacy Technology) - 2025 Start (BS/MS)

TikTokCompany Name - TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A97227 Apply to this job Share this listing: Responsibilities Our Ads Measurement Signal and Privacy team (MSP) is missioned to build our security and governance infrastructure and process for the ads system end-to-end while making sure our platform with large volume of various signals and data are constantly compliant with regional regulations across the world. The team will be responsible for exploring and implementing cutting-edg

Senior Machine Learning Engineer - TikTok Content EcologyJob Title - Senior Machine Learning Engineer - TikTok Content Ecology

TikTokCompany Name - TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A171079 Apply to this job Share this listing: Responsibilities TikTok Content Ecology Algorithm Team leverages multimodal, LLM/MLLM, NLP & CV, and recommendation technologies to provide platform-level algorithmic capabilities for various business lines, including local services, search, main architecture, P(Professionally Generated Content), and UG (User Growth). Our work spans short video content understanding, global trending even

Machine Learning Engineer - TikTok Content EcologyJob Title - Machine Learning Engineer - TikTok Content Ecology

TikTokCompany Name - TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A242912 Apply to this job Share this listing: Responsibilities TikTok Content Ecology Algorithm Team leverages multimodal, LLM/MLLM, NLP & CV, and recommendation technologies to provide platform-level algorithmic capabilities for various business lines, including local services, search, main architecture, P(Professionally Generated Content), and UG (User Growth). Our work spans short video content understanding, global trending even

Machine Learning Engineer Graduate (E-Commerce Knowledge Graph - CV/Multimodal/NLP) -2025 Start (PhD)Job Title - Machine Learning Engineer Graduate (E-Commerce Knowledge Graph - CV/Multimodal/NLP) -2025 Start (PhD)

TikTokCompany Name - TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A206355 Apply to this job Share this listing: Responsibilities The Knowledge Graph team is responsible for the neural network of e-commerce, which includes tasks such as categorizing products, influencers, and merchants, mining product information, and providing this data to the recommendation team. Additionally, they manage operations related to product tags and category attributes. When we come across a product, they determine whe

Machine Learning Engineer Intern (Training Pre-processing) - 2025 Summer (BS/MS)Job Title - Machine Learning Engineer Intern (Training Pre-processing) - 2025 Summer (BS/MS)

TikTokCompany Name - TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Intern Job Code : A38464 Apply to this job Share this listing: Responsibilities Team Introduction: The TikTok Flink Ecosystem Team plays a critical role in delivering real-time computing capabilities to power TikTok's massive-scale recommendation, search, and advertising systems. This team is focused on building the infrastructure for stream processing at exabyte scale - enabling ultra-low-latency, high-reliability, and cost-efficient real-time data t

Machine Learning Engineer Graduate (Commerce Ads) - 2025 Start (BS/MS)Job Title - Machine Learning Engineer Graduate (Commerce Ads) - 2025 Start (BS/MS)

TikTokCompany Name - TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A111162 Apply to this job Share this listing: Responsibilities The TikTok Commerce Ads team is dedicated to blending advertiser focus with technical expertise. Our mission is to enhance commerce ads-both open-loop and closed-loop-to establish TikTok as an essential growth engine for businesses of all sizes and a top destination for consumers to discover and buy products, content, and services. We are crucial to driving TikTok's ad r

Software Engineer, Tech Lead - Engineering Efficiency and AI Code AssistantJob Title - Software Engineer, Tech Lead - Engineering Efficiency and AI Code Assistant

TikTokCompany Name - TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A134263 Apply to this job Share this listing: Responsibilities About the Team The Quality Technology Team focuses on the quality domain, providing a series of AI-powered products and tools throughout the entire software engineering lifecycle from development, testing, and changes to online operation and maintenance. We leverage cutting-edge artificial intelligence to offer comprehensive quality improvement solutions, helping busines

IT Supervisor (Application Development/Support Section)Job Title - IT Supervisor (Application Development/Support Section)

Orange County Fire AuthorityCompany Name - Orange County Fire Authority

•

Irvine, California, USA

Full-time

THE POSITION The Orange County Fire Authority (OCFA) is seeking a dynamic, detail-oriented, and forward-thinking Information Technology Supervisor to join the Systems Development and Support Section of the Information Technology Division. The ideal candidate will possess a strong process improvement mindset and demonstrate the ability to implement effective policies and procedures that strengthen the development and support teams. This individual must be capable of performing in high-pressure, c

Senior Machine Learning Engineer, TikTok Branding AdsJob Title - Senior Machine Learning Engineer, TikTok Branding Ads

TikTokCompany Name - TikTok

•

Los Angeles, California, USA

Full-time

Location : Los Angeles Employment Type : Regular Job Code : I4118 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

Machine Learning Engineer - Marketplace Growth (TikTok Global E-commerce Supply Chain and Logistics)Job Title - Machine Learning Engineer - Marketplace Growth (TikTok Global E-commerce Supply Chain and Logistics)

TikTokCompany Name - TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A165330 Apply to this job Share this listing: Responsibilities About the team! The E-Commerce Supply Chain and Logistics team is dedicated to enhancing clients' shopping experience and reducing operational costs in the supply chain and logistics of TikTok E-commerce by developing end-to-end algorithm capabilities using machine learning, operations research, data mining, and causal inference methods. Role Overview: We are seeking a t

Senior Backend Software Engineer, TikTok Privacy AIJob Title - Senior Backend Software Engineer, TikTok Privacy AI

TikTokCompany Name - TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : K0559 Apply to this job Share this listing: Responsibilities At TikTok, we treat privacy as our first priority in our product design and implementation. Privacy is not just about regulation compliance, but also about a more trusted way to enable technology innovation by respecting users' privacy choices! As a part of TikTok Privacy & Security group, the AI Privacy team provides solutions to preserve privacy in all AI-powered experie

Backend Software Engineer, TikTok Privacy AIJob Title - Backend Software Engineer, TikTok Privacy AI

TikTokCompany Name - TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : G5655 Apply to this job Share this listing: Responsibilities At TikTok, we treat privacy as our first priority in our product design and implementation. Privacy is not just about regulation compliance, but also about a more trusted way to enable technology innovation by respecting users' privacy choices! As a part of TikTok Privacy & Security group, the AI Privacy team provides solutions to preserve privacy in all AI-powered experie

Staff Research Engineer, LLM - TikTok Ads Core ML, RankingJob Title - Staff Research Engineer, LLM - TikTok Ads Core ML, Ranking

TikTokCompany Name - TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A68131A 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 business, instead of just a monetization tool to consolidate the delivery funnel framework allowing multiple teams to iterate parallel. We're looking for innovative Staff Research Engineers to join our Core ML Ranking team. Ads Core Ranking team sp

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

TikTokCompany Name - TikTok

•

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

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

TikTokCompany Name - TikTok

•

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

Machine Learning Engineer, Ecommerce Risk ControlJob Title - Machine Learning Engineer, Ecommerce Risk Control

TikTokCompany Name - TikTok

•

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