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The AI Data and Safety team plays a critical role in advancing Seed foundational models across modalities and improving AI-native applications built on the Seed model series. We work across the data lifecycle, from defining evaluation approaches and translating user feedback and benchmark outcomes into data requests, to building scalable processes that improve data quality and support rapid model
The Search team builds the systems that help users find relevant, reliable, and engaging content across TikTok. The team works across search retrieval, ranking, recommendation signals, query understanding, relevance, infrastructure, and product experiences. Our work combines large-scale machine learning, data-driven product development, and distributed systems to improve search quality for a globa
The E-Commerce Risk Control (ECRC) team's mission is : - To protect Bytedance e-commerce users, including and beyond buyer, seller, creator; - To make Bytedance 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, risk models a
Global E-Commerce Team is a content E-commerce business with international short video products as the carrier. It is committed to becoming the first choice for users to discover and purchase good products at affordable prices. The global E-commerce business team hopes to provide users with a more tailored and efficient consumption experience, enabling merchants to receive reliable platform servic
The AI Data and Safety team plays a critical role in advancing Seed's foundational models, AI products across modalities, and improving AI-native applications built on the Seed model series. We work across the data lifecycle, from defining evaluation approaches, translating user feedback and benchmark outcomes into data requests, to building scalable processes that improve data quality and support
The Account team supports identity and access services across TikTok and its ecosystem, including commerce, music, live video, and business offerings. This foundational service empowers innovation and business expansion worldwide. Interns will engage with system-level challenges around scalability, reliability, security, and performance. We are looking for talented individuals to join us for an i
The Seed-Responsible AI team promotes safe and sustainable AI by researching its core mechanisms to provide insights and practical guidance. We are looking for talented individuals to join us for an internship in 2026. PhD Internships at ByteDance aim to provide students with the opportunity to actively contribute to our products and research, and to the organization's future plans and emerging t
The Search team builds the systems that help users find relevant, reliable, and engaging content across TikTok. The team works across search retrieval, ranking, recommendation signals, query understanding, relevance, infrastructure, and product experiences. Our work combines large-scale machine learning, data-driven product development, and distributed systems to improve search quality for a globa
The Applied Machine Learning Enterprise team combines system engineering and machine learning to develop and operate a big model service platform that offers businesses Model-as-a-Service solutions (MaaS) to both the big model vendors and users. We are actively seeking talented Software Engineers specializing in Large Language Models (LLM) to join our team. We are looking for talented individual
About the Team Creative Effects are a big part of the TikTok experience. From beauty filters to AI Effect, effects make content creation easy, fun, and dynamic — but only when they run flawlessly on the phone in your hand. We are the TikTok Effects Performance Team, powering the system behind every filter, AR effect, and visual effect used by hundreds of millions of creators every day. Our missio
About Team Global Business Solutions is a marketing solution, including TikTok For Business, that naturally connects companies and brands with audiences looking for new interests and curiosities to help solve business challenges across the funnel, from awareness to customer acquisition. We help businesses solve business problems across the funnel, from awareness to customer acquisition. As a proj
Global E-Commerce Team is a content E-commerce business with international short video products as the carrier. It is committed to becoming the first choice for users to discover and purchase good products at affordable prices. The global E-commerce business team hopes to provide users with a more tailored and efficient consumption experience, enabling merchants to receive reliable platform servic
About the Team The security engineering team is missioned to build security services, platforms and technologies, as well as to support cross-functional teams to protect our users, products and infrastructures. In this team you'll have a unique opportunity to have first-hand exposure to the strategy of the company in key security initiatives, especially in building scalable and secure-by-design s
The Signal & Measurement team at TikTok Ads owns the full stack of advertising effectiveness — from signal collection and identity resolution to attribution modeling and causal measurement. We build the systems and models that help advertisers worldwide understand and maximize the true business value of their ad spend on TikTok. Our work sits at the intersection of large-scale machine learning an
The Applied Machine Learning Enterprise team combines system engineering and machine learning to develop and operate a big model service platform that offers businesses Model-as-a-Service solutions (MaaS) to both the big model vendors and users. We are actively seeking talented Software Engineers specializing in Large Language Models (LLM) to join our team. We are looking for talented individual
The ads system at TikTok operates on a massive scale and serves millions of advertisers, clients and influencers across the world. The quality of the ads system highly depends on the ability to handle massive data, and machine learning is widely used to improve the quality of our ads. The Ads Infra team is responsible for building highly efficient and stable infrastructure to collect and process d
Responsible for building and maintaining a Global CRM（Customer Relationship Management）Platform and Transaction Platform for sales and marketing agents/partners, working closely with the Sales Operations Management Platform (SOMP) to create a stable, flexible, and smart platform. We enhance commercial efficiency and customer satisfaction through various intelligent marketing tools, ensure the stab
We are TikTok Monetization Ads Interface Team, dedicated to creating an exceptional advertising experience and intelligent growth marketing strategies for global advertising clients. Here, you will engage with challenging technical domains such as large-scale user systems, diverse advertising fields (ad creation, material optimization, delivery strategy, attribution, measurement, etc.), AI-driven
About Our Team The Platform Responsibility team is bringing disruptive innovation to content safety through the deep application of Al. We are building next-generation infrastructure that leverages advanced LLMs to reshape risk detection and governance. By enginering high-quality data pipelines and integrating Al into core decision- making, we drive exponential efficiency gains and precision. Work
We build world-class monetization products to facilitate the growth of TikTok LIVE's content diversity. The current focus is growing the number of Business LIVE creators via building LIVE Lead Generation. We focus on optimizing the watch LIVE duration brought by LIVE Lead Gen creators and proving their value to ads. We are looking for talented individuals to join us for an internship. Our interns
With the enormous growth of live streaming in recent years, our mission is to inspire real-time interactions and help live streamers connect to people from all corners of the globe. We are looking for passionate and talented engineers to join us to build and optimize a real-time, high-performance, large-scale distributed infrastructure for live streaming in TikTok. You will be deeply involved in
Team Introduction Our Data Platform Business Partnering team is at the core of TikTok E-Commerce business, responsible for generating tremendous amount of data and providing accessing services and applications. We empower many business & engineering teams to analyze and develop innovative strategies and products driving business growth. We are looking for passionate and talented engineers to join
Team Introduction MLOps - Global SRE team is responsible for the reliability of the machine learning infrastructure powering ByteDance’s global advertising systems. We ensure the stability, scalability, and operational efficiency of the entire machine learning lifecycle, including data pipelines, model development, training, deployment, inference, monitoring, and continuous optimization. We are l
About the team TikTok Shop 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. TikTok Shop hopes to provide users with more tailored and efficient consumption experience, enabling merchants to receive reliable platform services in different scena
With the enormous growth of live streaming in recent years, our mission is to inspire real-time interactions and help live streamers connect to people from all corners of the globe. We are looking for passionate and talented engineers to join us to build and optimize a real-time, high-performance, large-scale distributed infrastructure for live streaming in TikTok. You will be deeply involved in
Our Business Integrity team has a strong user focus and a dedication to technical excellence. We aim to meet our users' needs with reliable and high-performing platforms and services. We are looking for strong machine learning engineers who are excited to grow their business understanding, build highly scalable machine learning models, and partner across disciplines with global teams, in pursuit o
About the team TikTok Shop 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. TikTok Shop hopes to provide users with more tailored and efficient consumption experience, enabling merchants to receive reliable platform services in different scena