express.js Jobs in california

501 - 520 of 1,036 Jobs

Security Engineer Graduate (BRIC Anti-Automation) - 2026 Start (BS/MS)Job Title - Security Engineer Graduate (BRIC Anti-Automation) - 2026 Start (BS/MS)

TikTokCompany Name - TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A221739 Apply to this job Share this listing: Responsibilities Anti-Automation Solutions (AA) is part of Business Integrated Risk Control(BRIC) team. Automated fraud refers to technical methods used by hackers to perform API abuse at scale using scripts and tools. Our vision is to establish an industry-leading team with a focus on end-to-end defense-in-depth systems with privacy and business needs in mind. We are responsible for con

Machine Learning Engineer, Recommendations - USDSJob Title - Machine Learning Engineer, Recommendations - USDS

TikTokCompany Name - TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A03753 Apply to this job Share this listing: Responsibilities About the team We are a group of applied machine learning engineers and data scientists that focus on general feed recommendations and E-commerce recommendations. We are developing innovative algorithms and techniques to improve user engagement and satisfaction, converting creative ideas into business-impacting solutions. We are interested and excited in applying large sc

Software Engineer Intern - Platform efficiency - 2025 Fall (BS/MS)Job Title - Software Engineer Intern - Platform efficiency - 2025 Fall (BS/MS)

TikTokCompany Name - TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Intern Job Code : A41490 Apply to this job Share this listing: Responsibilities We are a tool team focused on improving platform efficiency of international monetization platforms. Our core mission is to empower the QA (Quality Assurance) and RD (Research and Development) teams by developing a series of tools closely related to quality and efficiency. We help them achieve dual improvements in work efficiency and quality in their daily work, and promot

Data Scientist Intern [TikTok LIVE-Data Science]-2026 Summer (BS/MS)Job Title - Data Scientist Intern [TikTok LIVE-Data Science]-2026 Summer (BS/MS)

TikTokCompany Name - TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Intern Job Code : A241171 Apply to this job Share this listing: Responsibilities Team Introduction: TikTok's Data Scientist team is a critical component of the platform's success, responsible for leveraging data to enhance user experience, optimize content delivery, and drive business decisions. As a leading social media APP known for its short-form video content, TikTok relies heavily on Data Science to stay ahead in a competitive market. We are look

Software Development Engineer in Test, TikTok Global E-Commerce - USDSJob Title - Software Development Engineer in Test, TikTok Global E-Commerce - USDS

TikTokCompany Name - TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A168039 Apply to this job Share this listing: Responsibilities About the team Our quality assurance engineering team is responsible for keeping the e-commerce ecosystem stable, secure and intuitive for our users. We are looking for passionate and talented people to join us as we drive the future of e-commerce here at TikTok. What You'll Do: 1. Responsible for the quality assurance of e-commerce consumer side, seller side, creator si

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

TikTokCompany Name - 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

Staff Software Engineer - BRIC Endpoint SecurityJob Title - Staff Software Engineer - BRIC Endpoint Security

TikTokCompany Name - TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A62465 Apply to this job Share this listing: Responsibilities Anti-Automation Solutions (AA) is part of Business Integrated Risk Control(BRIC) team. Automated fraud refers to technical methods used by hackers to perform API abuse at scale using scripts and tools. Our vision is to establish an industry-leading team with a focus on end-to-end defense-in-depth systems with privacy and business needs in mind. We are responsible for cont

Senior Software Engineer - BRIC Endpoint SecurityJob Title - Senior Software Engineer - BRIC Endpoint Security

TikTokCompany Name - TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A143634B Apply to this job Share this listing: Responsibilities Anti-Automation Solutions (AA) is part of Business Integrated Risk Control(BRIC) team. Automated fraud refers to technical methods used by hackers to perform API abuse at scale using scripts and tools. Our vision is to establish an industry-leading team with a focus on end-to-end defense-in-depth systems with privacy and business needs in mind. We are responsible for co

Machine Learning Engineer - LLM AlgorithmJob Title - Machine Learning Engineer - LLM Algorithm

TikTokCompany Name - TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A10564A Apply to this job Share this listing: Responsibilities Team Introduction The Experience team is responsible for optimizing app experience related to performance for TikTok users. This team collaborates with all teams in the video creation and consumption ecosystem to provide end-to-end optimization solutions. Responsibilities 1. Optimize live streaming/RTC scenarios using machine learning/llm to enhance experience, cost effi

Engineer Graduate, Implementation - Algorithm Engineering, TikTok - 2026 Start (BS/MS)Job Title - Engineer Graduate, Implementation - Algorithm Engineering, TikTok - 2026 Start (BS/MS)

TikTokCompany Name - TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A168204 Apply to this job Share this listing: Responsibilities We are the Algorithm Engineering Team from the Data-TnS department. As our name suggests, we are a diverse group committed to using our engineering skills to accelerate model iteration and production. On the other hand, we utilize various tools to enhance the efficiency of integrating our models into our business scenarios. Our team's goal is 'Let TnS's algorithmic capab

Senior Data Scientist, Research - TikTokJob Title - Senior Data Scientist, Research - TikTok

TikTokCompany Name - TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A25046 Apply to this job Share this listing: Responsibilities TikTok-Data Science team is responsible for all data science and analytics related work, cooperating with all key value chains in TikTok, including Privacy, 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 right decis

Engineering Manager, ML Recommendations - USDSJob Title - Engineering Manager, ML Recommendations - USDS

TikTokCompany Name - TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A94580 Apply to this job Share this listing: Responsibilities About the Team The TikTok Recommendation team sits in the center of TikTok, designs, implements and improves the recommendation algorithm that powers the TikTok For You Page (FYP). The team is at the intersection of cutting-edge machine learning research and large-scale end-to-end production systems. We take pride in finding the right balance between solid applied researc

Intelligent Camera Effects Software Engineer Intern (Effect-TikTok) - 2026 Summer (BS/MS)Job Title - Intelligent Camera Effects Software Engineer Intern (Effect-TikTok) - 2026 Summer (BS/MS)

TikTokCompany Name - TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Intern Job Code : A225118 Apply to this job Share this listing: Responsibilities TikTok Camera Effect team is seeking talented software engineers with experience in AI, CG, ML or AR to build the next-generation of camera effects using the latest AI technologies. We are building the next generation camera effect platform with cutting-edge AI technologies, powering many important product features of TikTok such as real-time camera effects, video editing

Data Center Site Acquisition Manager (AMER) - San JoseJob Title - Data Center Site Acquisition Manager (AMER) - San Jose

TikTokCompany Name - TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A37564A Apply to this job Share this listing: Responsibilities To support the fast growth and manage the massive content on the platform, our Infrastructure Engineering team is building hyper-scale datacenters globally that host hundreds of thousands of servers. We are looking for a regional procurement manager responsible for Data Center Delivery, including Cabling and service contracts to enable data center delivery to a high stan

Data Engineer Intern (E-commerce) - 2026 Summer (BS/MS)Job Title - Data Engineer Intern (E-commerce) - 2026 Summer (BS/MS)

TikTokCompany Name - TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Intern Job Code : A14666 Apply to this job Share this listing: Responsibilities We are looking for talented individuals to join us for an internship in 2026. Internships at TikTok aim to offer students industry exposure and hands-on experience. Turn your ambitions into reality as your inspiration brings infinite opportunities at TikTok. Internships at TikTok aim to provide students with hands-on experience in developing fundamental skills and explorin

Engineering Leader - Infra, TikTok Monetization GenAIJob Title - Engineering Leader - Infra, TikTok Monetization GenAI

TikTokCompany Name - TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A29043 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

Senior Backend Software Engineer - P User & Creator Product (UCP)Job Title - Senior Backend Software Engineer - P User & Creator Product (UCP)

TikTokCompany Name - TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A112337 Apply to this job Share this listing: Responsibilities TikTok's User & Creator Product (UCP) team comprises of various cross-functional teams including engineering, data science, recommendation/algorithm, product, marketing, and operations, that adopt a data-driven approach to foster growth of creators and content. Our team collaborates closely to assist creators worldwide in expressing their creativity, expanding their foll

Engineer Graduate, AI Safety - San Jose, TikTok - 2026 Start (BS/ MS)Job Title - Engineer Graduate, AI Safety - San Jose, TikTok - 2026 Start (BS/ MS)

TikTokCompany Name - TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A253798 Apply to this job Share this listing: Responsibilities About Us: TikTok identifies Trust and Safety as a top priority, and our team obsesses over it daily. As generative AI and large models power more TikTok experiences, the AI Safety team ensures these systems are deployed responsibly, reliably, and in alignment with our community values. We are a newly founded team focused on building scalable safety systems to detect, pre

Front End Engineer, TikTok Multimedia ArchJob Title - Front End Engineer, TikTok Multimedia Arch

TikTokCompany Name - TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A65385 Apply to this job Share this listing: Responsibilities About the Team The Multimedia Arch Frontend team is responsible for improving user experience and performance on TikTok, either through platform/tooling and innovated project development, or through Tiktok Web Multimedia experience and performance optimizations. Including but not limited to a series of platform development (data platforms, strategy platforms, AI platforms

Software Engineer, SRE, Payments - USDSJob Title - Software Engineer, SRE, Payments - USDS

TikTokCompany Name - TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A192854 Apply to this job Share this listing: Responsibilities Team Intro: The Global Payment team of the US Tech Service department of TikTok provides all-round payment solutions for the company's USA products, overseas commercialization, and the company's overseas travel and procurement, including channel access, product order design, user interaction, capital management, tax and exchange optimization, settlement Reconciliation an