Express.js Jobs in San Jose, CA

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Machine Learning Scientist, TikTok Core Feed Recommendation

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A140144 Apply to this job Share this listing: Responsibilities 1. Research and develop large-scale recommender systems for personalized, engaging user experiences, focusing on scalability, accuracy, and performance. 2. Apply advanced machine learning and deep learning techniques to optimize recommendation algorithms for TikTok's diverse user base. 3. Manage the end-to-end lifecycle of recommender models, from training and fine-tunin
Posted 60+ days ago | Updated 8 hours ago

Data Scientist - TikTok Music

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A216163A Apply to this job Share this listing: Responsibilities About: TikTok-Data Science-Music team is responsible for building the music ecosystem and the artist service in Tik Tok, cooperating with all key value chains in TikTok. The goal of the team is to generate actionable insights from data and help the stakeholders to make the right decisions. Our main tasks include metrics defining, causal inference like experimentation me
Posted 44 days ago | Updated 8 hours ago

Software Engineer, Ads Core Technology - Commercial Platform (CommercePack)

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A17915A Apply to this job Share this listing: Responsibilities Join one of the most innovative and fast-paced teams at TikTok, where your work directly impacts the core of our global monetization business. The Ads Delivery team handles billions of ad requests daily, building the high-performance systems that power one of the most sophisticated advertising platforms in the world. If you're passionate about cutting-edge backend develo
Posted 30 days ago | Updated 8 hours ago

Senior Software Engineer - Data Development platform

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : JF3KV Apply to this job Share this listing: Responsibilities As a software engineer in the data platform team, you will have the opportunity to build, optimize and grow one of the largest data platforms in the world. You'll have the opportunity to gain hands-on experience on core systems in the data platform ecosystem. Your work will have a direct and huge impact on the company's core products as well as hundreds of millions of user
Posted 60+ days ago | Updated 8 hours ago

Tech Lead Software Engineer - Brand Ads, Ads Interface and Platform

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A65526 Apply to this job Share this listing: Responsibilities Ads Platform and Interfaces teams have a strong customer focus and dedication to technical excellence, to meet our customer needs with reliable and performant platforms and services. We are looking for strong software engineers who are excited to grow the Brand Ads business understanding and build highly scalable and reliable software, partnering across disciplines and ge
Posted 60+ days ago | Updated 8 hours ago

Software Engineer, Ads Core- Traffic

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A90765 Apply to this job Share this listing: Responsibilities Our ads core team is a platform team that develops state-of-art ad technologies, including ranking, retrieval, targeting, bidding, auction, etc. You will be part of a team that's optimizing ads format and ranking strategies, and you will be responsible for bringing a better return on investment for advertisers. What You'll Do Build highly scalable machine learning systems
Posted 60+ days ago | Updated 8 hours ago

Backend Software Engineer, TikTok Business Account - Ads Interface and Platforms

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A236123 Apply to this job Share this listing: Responsibilities By integrating both organic and ads features, this team helps everyone on TikTok to realize their social network goal with ease. The team enables not only small and medium businesses (SMBs) to drive hyper-growth but also large enterprises and e-commerce giants to enhance their global influence. The team empowers not only celebrities-to-be to form new communities but also
Posted 60+ days ago | Updated 8 hours ago

Senior Android Software Engineer- Monetization Client

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A79668 Apply to this job Share this listing: Responsibilities The Monetization client team is responsible for delivering innovative ads products on TikTok, including content ads, new ads formats, vertical solutions, creator monetization business account, ads experiences etc. Working closely with product team, our mission is to build the window letting advertisers promote their products on TikTok, and to build the bridge that can dee
Posted 60+ days ago | Updated 8 hours ago

Android Software Engineer- Monetization Client

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A60251 Apply to this job Share this listing: Responsibilities The Monetization client team is responsible for delivering innovative ads products on TikTok, including content ads, new ads formats, vertical solutions, creator monetization business account, ads experiences etc. Working closely with product team, our mission is to build the window letting advertisers promote their products on TikTok, and to build the bridge that can dee
Posted 60+ days ago | Updated 8 hours ago

Senior Frontend Software Engineer, TikTok Effect Platform

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A53004 Apply to this job Share this listing: Responsibilities An "Effect" is an innovative camera feature that seamlessly integrates cutting-edge AR technology, enabling users to create captivating videos. Central to the TikTok user experience, effects ignite joy, foster creativity, and spur new trends among our billion+ global community. The Effect Platform team, instrumental in stimulating digital creativity, fosters a vibrant eco
Posted 37 days ago | Updated 8 hours ago

Frontend Software Engineer, TikTok Effect Platform

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A213390A Apply to this job Share this listing: Responsibilities An "Effect" is an innovative camera feature that seamlessly integrates cutting-edge AR technology, enabling users to create captivating videos. Central to the TikTok user experience, effects ignite joy, foster creativity, and spur new trends among our billion+ global community. The Effect Platform team, instrumental in stimulating digital creativity, fosters a vibrant e
Posted 37 days ago | Updated 8 hours ago

Software Engineer- LLM Applications and AI Agents

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A229567 Apply to this job Share this listing: Responsibilities TikTok dominates the global short video space. Join us to accelerate the adoption of AI across TikTok. Our team's mission is to building an Intelligent Operations Agent that empowers our content and creator operations through cutting-edge AI technologies such as LLMs, multi-agent frameworks, and multimodal understanding. We are looking for highly motivated new graduates
Posted 40 days ago | Updated 8 hours ago

Tech Lead Manager (Machine Learning Focused) - TikTok Search Algorithms (Ranking, Relevance, Understanding, User Engagement, NLP)

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : S0113 Apply to this job Share this listing: Responsibilities About the Team On the TikTok Search Team, you will have the opportunity to develop and apply cutting edge machine learning technologies in real-time large-scale systems, which serve billions of search requests every day. Via advanced NLP and multi-modal models, our projects impact and improve the search experience for hundreds of millions of users globally. We embrace a cu
Posted 60+ days ago | Updated 8 hours ago

Machine Learning Scientist Intern (TikTok-Recommendation-Live) - 2025 Fall (PhD)

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Intern Job Code : A151827 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 45 days ago | Updated 8 hours ago

Machine Learning Scientist Intern (TikTok-Data-Plus) - 2025 Fall (PhD)

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Intern Job Code : A60146B 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 45 days ago | Updated 8 hours ago

Senior iOS Engineer - TikTok Search Business

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A231316 Apply to this job Share this listing: Responsibilities We are looking for motivated individuals interested in complex engineering challenges around one of the most important aspects of TikTok. You will have the opportunity to work closely with a multidisciplinary team of Mobile Engineers, Frontend Engineers, Site Reliability Engineers, Data Engineers, and Data Scientists in a high-impact and fast-paced environment. Our team
Posted 60+ days ago | Updated 8 hours ago

iOS Engineer - TikTok Search Business

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A67657 Apply to this job Share this listing: Responsibilities We are looking for motivated individuals interested in complex engineering challenges around one of the most important aspects of TikTok. You will have the opportunity to work closely with a multidisciplinary team of Mobile Engineers, Frontend Engineers, Site Reliability Engineers, Data Engineers, and Data Scientists in a high-impact and fast-paced environment. Our team i
Posted 60+ days ago | Updated 8 hours ago

iOS Software Engineer- Monetization Client

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A212517 Apply to this job Share this listing: Responsibilities The Monetization client team is responsible for delivering innovative ads products on TikTok, including content ads, new ads formats, vertical solutions, creator monetization business account, ads experiences etc. Working closely with product team, our mission is to build the window letting advertisers promote their products on TikTok, and to build the bridge that can de
Posted 60+ days ago | Updated 8 hours ago

Software Engineer - AIInfrastructure, TikTok Monetization GenAI

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A213264 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 lever
Posted 56 days ago | Updated 8 hours ago

Machine Learning Engineer Graduate (E-Commerce Supply Chain & Logistics) - 2025 Start (PhD)

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A77435 Apply to this job Share this listing: Responsibilities Team Introduction: Join the E-commerce Global Supply Chain and Logistics team at TikTok! We're enhancing the shopping experience and reducing logistics operational costs. We are seeking brilliant and motivated graduate software engineers, who are eager to apply their knowledge in machine learning (ML), operations research (OR), data mining, and statistical inference to re
Posted 60+ days ago | Updated 8 hours ago