express.js Jobs in california

561 - 580 of 1,041 Jobs

Senior Mobile Software Engineer, Android PerformanceJob Title - Senior Mobile Software Engineer, Android Performance

TikTokCompany Name - TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A80633 Apply to this job Share this listing: Responsibilities TikTok's Creation Experience team delivers the core video production technologies across mobile platforms, enabling hundreds of millions of TikTok creators to tell their stories, express their emotions, and convey their knowledge in the format of short-form videos. We are looking for enthusiastic mobile developers at various levels of experience to work on TikTok's core t

Senior Frontend Software Engineer - TikTok Search BusinessJob Title - Senior Frontend Software Engineer - TikTok Search Business

TikTokCompany Name - TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A54755A Apply to this job Share this listing: Responsibilities Our team's responsibility is to use the most cutting-edge technology to create the best search engine products. The vision is to support the healthy development of TikTok's overall business, efficiently linkage users and information, help users solve problems, and become the preferred short video search engine for users around the world. Responsibilities: Responsible for

Software Engineer/Mobile Engineer Graduate (Monetization Technology - Ads Core Demonstration) - 2026 Start (BS/MS)Job Title - Software Engineer/Mobile Engineer Graduate (Monetization Technology - Ads Core Demonstration) - 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 : A243848 Apply to this job Share this listing: Responsibilities We are 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. The Monetization Client team from TikTok Ads Core is responsible for delivering innovative ads products on TikTok, including content ads, new ads formats, vertical solutions, creator mo

Senior Secure Software Development Lifecycle Specialist - USDSJob Title - Senior Secure Software Development Lifecycle Specialist - USDS

TikTokCompany Name - TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A119388 Apply to this job Share this listing: Responsibilities About The Team: The Cyber Defense and Engineering team covers a broad spectrum within the security field, including red teaming, data loss prevention, and security operations. Our focus is on establishing security controls, identifying and addressing vulnerabilities, and providing insights into the security posture of TikTok USDS. Our mission is to develop and deploy tec

Software Engineer, Applied Machine Learning - USDSJob Title - Software Engineer, Applied Machine Learning - USDS

TikTokCompany Name - TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A69010 Apply to this job Share this listing: Responsibilities About the Team: AML (Applied Machine Learning) Platform team combines system engineering and the art of machine learning to develop and run a massively distributed AML system for the United States and all around the world. On the AML Platform team, you'll have the opportunity to sharpen your expertise in coding, performance analysis, and large-scale systems operation. Joi

Frontend Engineer Intern (TikTok-PGC-OGC) - 2026 Summer(BS/MS)Job Title - Frontend Engineer Intern (TikTok-PGC-OGC) - 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 : A62807 Apply to this job Share this listing: Responsibilities About the team The mission of TikTok Ois to inspire diverse entertainment content creation and promote entertainment consumption. We focus on areas such as news, film, sports, gaming and more, aiming to serve copyright holders, entertainment distributors, content creators, TikTok users, and the platform itself. Our goal is to create a win-win environment and foster the flo

Software Engineer Graduate- Algorithm Engineering, TikTok - 2026 Start (PhD)Job Title - Software Engineer Graduate- Algorithm Engineering, TikTok - 2026 Start (PhD)

TikTokCompany Name - TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A235233 Apply to this job Share this listing: Responsibilities The Trust and Safety(TnS) engineering team is responsible for protecting our users from harmful content and abusive behaviors. With the continuous efforts of our trust and safety engineering team, TikTok can provide the best user experience and bring joy to everyone in the world. Our team is responsible for achieving goals by building content moderation process systems,

Sr Data Scientist, Product Analytics - USDSJob Title - Sr Data Scientist, Product Analytics - USDS

TikTokCompany Name - TikTok

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Los Angeles, California, USA

Full-time

Location : Los Angeles Employment Type : Regular Job Code : A204204A Apply to this job Share this listing: Responsibilities About the team The Data Science team of the Tech and Product department at TikTok USDS is responsible for building high-quality and timely data solutions for the business as the single source of truth and for building easy-to-use and scalable data products to support business growth. You will have the exciting opportunity to: - Conduct product analytics to provide pr

Engineering Manager, Content E-CommerceJob Title - Engineering Manager, Content E-Commerce

TikTokCompany Name - TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A11066 Apply to this job Share this listing: Responsibilities About the team: Global e-commerce is a content e-commerce business with international short video product as the carrier. It is committed to becoming the first choice for users to discover and purchase good products with affordable prices. Global e-commerce business team hopes to provide users with more tailored and efficient consumption experience, enabling merchants to

AI Effects Workflow Engineer Intern (TikTok-Intelligent Creation-LLM Driven Creation) - 2026 Summer (BS/MS)Job Title - AI Effects Workflow Engineer Intern (TikTok-Intelligent Creation-LLM Driven Creation) - 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 : A75032 Apply to this job Share this listing: Responsibilities Effect House is TikTok's official AR creation platform, empowering millions of global creators to design and publish interactive effects. We are now reimagining the entire effects creation workflow with AI and LLMs. Our goal is to make building AR effects as intuitive and conversational as coding with tools like Cursor or Copilot-where creators can simply describe their id

Software Engineer Graduate (Quality and Efficiency Technology) - 2026 Start (BS/MS)Job Title - Software Engineer Graduate (Quality and Efficiency Technology) - 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 : A77752 Apply to this job Share this listing: Responsibilities Our team focuses on the quality assurance of the whole ads-system, including AD manager, delivery system, review system, business integrity, conversion measurement and etc. We aim to improve the usability, reliability, stability of the whole system and user experience through project testing, automation testing, CI/CD system construction, test tool construction and etc. W

Site Reliability Engineer Graduate (Compute Platform) - 2026 Start (BS/MS)Job Title - Site Reliability Engineer Graduate (Compute Platform) - 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 : A01156 Apply to this job Share this listing: Responsibilities We are looking for talented individuals to join our team in 2026. As a graduate, you will get opportunities to pursue bold ideas, tackle complex challenges, and unlock limitless growth. Launch your career where inspiration is infinite at TikTok. Team introduction Our Compute Platform SRE team supports all Big Data services and products across the company. We are a newly e

Senior Frontend Software Engineer, TikTok Customer Service PlatformJob Title - Senior Frontend Software Engineer, TikTok Customer Service Platform

TikTokCompany Name - TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A108347 Apply to this job Share this listing: Responsibilities About the Team The TikTok Customer Service Platform (CSP) is primarily responsible for providing efficient support services to TikTok users, collecting and analyzing user feedback, and assisting TikTok in continuously optimizing its products and services to enhance user experience and satisfaction. 1. Increase user retention rate: The customer service platform can provid

Frontend Software Engineer, TikTok Customer Service PlatformJob Title - Frontend Software Engineer, TikTok Customer Service Platform

TikTokCompany Name - TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A77745 Apply to this job Share this listing: Responsibilities About the Team The TikTok Customer Service Platform (CSP) is primarily responsible for providing efficient support services to TikTok users, collecting and analyzing user feedback, and assisting TikTok in continuously optimizing its products and services to enhance user experience and satisfaction. 1. Increase user retention rate: The customer service platform can provide

Automation Prompt Engineer - USDSJob Title - Automation Prompt Engineer - USDS

TikTokCompany Name - TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A181382A Apply to this job Share this listing: Responsibilities Team Intro: E-commerce's Governance and Experience (GNE) is a global team responsible for maintaining a safe and trustworthy marketplace for users, sellers, and creators. Our goal is to ensure user satisfaction by implementing policies, rules, and systems that guarantee high-quality standards. The Service and Support Center (SSC), part of the GNE organization, is dedica

Software Development Engineer in Test Intern (TikTok-Intelligent Creation)- 2026 Summer (BS/MS)Job Title - Software Development Engineer in Test Intern (TikTok-Intelligent Creation)- 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 : A180555 Apply to this job Share this listing: Responsibilities The TikTok Engineering Test team has been focusing on testing and delivering innovative and high quality core product features of the TikTok application. The team's goal is to facilitate successful release of TikTok features and enhancements from development to production through effective testing delivering continuous quality at speed. The team comprises of Software Engi

Software Development Engineer in Test Intern (TikTok-PGC)- 2026 Summer (BS/MS)Job Title - Software Development Engineer in Test Intern (TikTok-PGC)- 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 : A116370 Apply to this job Share this listing: Responsibilities The TikTok Engineering Test team has been focusing on testing and delivering innovative and high quality core product features of the TikTok application. The team's goal is to facilitate successful release of TikTok features and enhancements from development to production through effective testing delivering continuous quality at speed. The team comprises of Software Engi

Software Development Engineer in Test Intern (TikTok-Global Live-Fundamental)- 2026 Summer (BS/MS)Job Title - Software Development Engineer in Test Intern (TikTok-Global Live-Fundamental)- 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 : A122676 Apply to this job Share this listing: Responsibilities The TikTok Engineering Test team has been focusing on testing and delivering innovative and high quality core product features of the TikTok application. The team's goal is to facilitate successful release of TikTok features and enhancements from development to production through effective testing delivering continuous quality at speed. The team comprises of Software Engi

Senior Data Solution Architect/Engineer (Multiple Positions)Job Title - Senior Data Solution Architect/Engineer (Multiple Positions)

TikTokCompany Name - TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A210462 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 mis

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