express.js Jobs in san jose, ca

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Senior Software Engineer - Data Integration Platform

TikTok

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : QPKV Apply to this job Share this listing: Responsibilities As software engineers in 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 all kinds of 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 us

Backend Software Engineer, TikTok Ecosystem Platform

TikTok

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A132009 Apply to this job Share this listing: Responsibilities TikTok is already a super app with a huge client base, and the content is completely recommended by the recommendation system according to personal preferences, but the recommendation system cannot understand video content. It can only identify the signals from users. If some creators trick our users to make some positive signals such as likes, favorites, the recommendat

Data Scientist - Analytics, Trust & Safety

TikTok

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A42027 Apply to this job Share this listing: Responsibilities What You Will do - Work with large and complex data sets to support project execution and strategic planning - Apply expertise in quantitative analysis to understand user behaviors, provide actionable insights, and measure the success of safety features through experimentation and causal inference - Influence stakeholders through data-based recommendations and mobilize cr

Engineering Manager - Monetization Generative AI

TikTok

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A182012 Apply to this job Share this listing: Responsibilities The Monetization GenAI team is responsible for developing foundation models across text, image and video in TikTok to empower ads business. You will be at the forefront of driving innovation in the field of artificial intelligence and responsible for leading a talented team of AI experts. Your team's primary objective is to develop cutting-edge generative AI models and a

Engineering Leader - Monetization Generative AI

TikTok

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A11626 Apply to this job Share this listing: Responsibilities The Monetization GenAI team is responsible for developing foundation models across text, image and video in TikTok to empower ads business. You will be at the forefront of driving innovation in the field of artificial intelligence and responsible for leading a talented team of AI experts. Your team's primary objective is to develop cutting-edge generative AI models and al

Solutions Engineer, Ads

TikTok

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : JWX1 Apply to this job Share this listing: Responsibilities About The Team We believe the services and community we've built can not only transform how people are inspired on the platform, but also transform how businesses from different industries, big or small, capture growth opportunities in this new era. TikTok is building out our Solutions Engineering team to help our external clients and partners to thrive on this journey. As

Software Engineer - Ads Identity and Attribution

TikTok

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A93043 Apply to this job Share this listing: Responsibilities In an industry where signal loss is becoming the new norm in online advertising, our Ads Identity and Attribution team tackles the evolving landscape of identity matching (acquiring user identification from signals) and attribution (assigning signals to ad touchpoints). What was once an engineering problem has transformed into a system engineering challenge that is not on

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

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

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

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

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

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

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

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

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

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

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

TikTok

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Intern Job Code : A64885 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 talent

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

Data Engineer - Data Platform

TikTok

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : J2861 Apply to this job Share this listing: Responsibilities As a data 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 all kinds of 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