Machine Learning Engineer - Demand Forecasting (TikTok Global E-commerce Supply Chain and Logistics) TikTok IncMachine Learning Engineer - Demand Forecasting (TikTok Global E-commerce Supply Chain and Logistics)Seattle, WAData-E-commerce-Global Supply Chain and Logistics team: Our team is dedicated to enhancing clients shopping experience and reducing operational costs in the supply chain and logistics of TikTok E-commerce by developing end-to-end algorithm capabilities using machine learning, operations research, data mining, and causal inference methods. As a Machine Learning Engineer focused on demand forecasting, you will contribute to the development and implementation of cutting-edge machine learning models and algorithms to optimize inventory management, supply chain efficiency, and enhance the overall customer experience.
Machine Learning Engineer Graduate - Global E-commerce Recommendation/Search - 2026 Start (PhD) TikTok IncMachine Learning Engineer Graduate - Global E-commerce Recommendation/Search - 2026 Start (PhD)Seattle, WABuild long and short term user interest models, analyze and extract relevant information from large amounts of various data and design algorithms to explore users latent interests efficiently. Furthermore, we are involved in constructing intelligent customer service technology and large-scale product knowledge graphs, aiming to enhance efficiency across various transaction processes.
Tech Lead- E-commerce Recommendation Infrastructure - Seattle TikTok IncTech Lead- E-commerce Recommendation Infrastructure - SeattleSeattle, WAWe work closely with applied machine learning engineers and build scalable systems to support all kinds of innovative algorithms and techniques. Bachelor s degree or above, majoring in Computer Science or related fields.
E-Commerce Safety Communications Manager TikTok IncE-Commerce Safety Communications ManagerSeattle, WACrisis & Issue Management: Support the press office in managing media inquiries and communications regarding regulatory developments or policy escalations related to TikTok Shop Minimum Qualifications: Bachelors degree or higher. Cross-Functional Counsel: Provide communications guidance and approvals to teams across the business, helping to communicate our commitment to safety across some other monetized products.
Machine Learning Engineer Graduate (E-Commerce Recommendation Mall) - 2027 Start (PhD) TikTok IncMachine Learning Engineer Graduate (E-Commerce Recommendation Mall) - 2027 Start (PhD)Seattle, WALong-Term Value and User Experience Modeling: Explore replacing traditional heuristic rule-based systems with LLM and agent capabilities; build next-generation algorithms for measuring and optimizing long-term value (LTV) and user experience, enabling sustainable growth of the platform ecosystem. Experience with long-sequence user behavior modeling, multi-task learning, multi-interest modeling, or large-scale distributed training and inference optimization.
Machine Learning Engineer Graduate (E-Commerce Supply Chain & Logistics - LLM/Agent) - 2027 Start (PhD) TikTok IncMachine Learning Engineer Graduate (E-Commerce Supply Chain & Logistics - LLM/Agent) - 2027 Start (PhD)Seattle, WABuild and land domain LLM model capabilities for e-commerce supply chain and logistics, covering continued pre-training / CPT, SFT, preference optimization, reinforcement learning such as GRPO / PPO, reward or judge model design, model compression, inference cost and latency optimization, and business applications such as address correction, trajectory prediction, logistics cost analysis, customer service semantic understanding, and root-cause analysis. Design and improve agent architecture and engineering systems, including runtime orchestration, memory and state management, model / tool routing, permission-safe execution, observability, benchmark and Golden Set evaluation, badcase attribution, regression testing, online feedback loops, and continuous evolution mechanisms that improve context, skills, workflows, and model behavior over time.
HR Business Partner - Global E-commerce Operations (Seattle) TikTok IncHR Business Partner - Global E-commerce Operations (Seattle)Seattle, WAAbout the Team We are on a mission to reshape the E-commerce landscape and here s a unique opportunity for a Human Resources Business Partner to support our Global E-Commerce Operations to do just that. Consult with line management and provide HR guidance when appropriate, including talent development, performance management, and employee relations.
Machine Learning Engineer Graduate (E-Commerce Knowledge Graph) - 2027 Start (PhD) TikTok IncMachine Learning Engineer Graduate (E-Commerce Knowledge Graph) - 2027 Start (PhD)Seattle, WACollaborate closely with our dedicated product managers, astute data scientists, and the strategic product & operation team to craft forward-thinking product strategies and features. Minimum Qualifications: Individuals who are completing or have recently completed a PhD degree in Software Development, Computer Science, Computer Engineering or a related discipline.
Software Engineer - Global E-Commerce Search Infrastructure (TikTok Shop) TikTok IncSoftware Engineer - Global E-Commerce Search Infrastructure (TikTok Shop)Seattle, WAWe re building the next-generation AI search and shopping assistant for TikTok Shop, TikTok s global commerce platform, - powering Q&A cards, in-app chatbot, and visual search experiences that help billions of users discover products, explore stores, and shop through natural conversation. Build Personalized Memory Infrastructure: Design high-throughput storage and retrieval for long-term user profiles and real-time memory (MemAgent); build near-real-time feature pipelines over billion-scale behavior sequences for low-latency serving of personalized signals.
Machine Learning Engineer - Global E-commerce Recommendation/Search TikTok IncMachine Learning Engineer - Global E-commerce Recommendation/SearchSeattle, WABuild long and short term user interest models, analyze and extract relevant information from large amounts of various data and design algorithms to explore users latent interests efficiently. Furthermore, we are involved in constructing intelligent customer service technology and large-scale product knowledge graphs, aiming to enhance efficiency across various transaction processes.
Machine Learning Engineer, Recommendation, E-Commerce Alliance TikTok IncMachine Learning Engineer, Recommendation, E-Commerce AllianceSeattle, WABy cooperating with merchants and creators, we aim to provide high-quality content and a personalized shopping experience for TikTok users, create efficient shopping tools at seller centers, and promote cooperation between merchants and creators. Support the rapid development of TikTok s e-commerce business, serve millions of merchants, explore more efficient business models, satisfy users with the best shopping experience, and promote healthy ecological development Minimum Qualifications.
TikTok Shop - Strategy & Operations Manager, Global E-Commerce Resource Management TikTok IncTikTok Shop - Strategy & Operations Manager, Global E-Commerce Resource ManagementSeattle, WAThe team operates at the center of global planning and resource allocation, partnering closely with regional leaders to ensure investments are deployed effectively and aligned with business priorities. About the team: The Global E-commerce Resource Management team for TikTok Shop plays a critical role in driving scalable growth across our international markets.
Research Scientist, TikTok E-Commerce Recommendation TikTok IncResearch Scientist, TikTok E-Commerce RecommendationSeattle, WABuild long and short term user interest models, analyze and extract relevant information from large amounts of various data and design algorithms to explore users latent interests efficiently. Apply machine learning algorithms to improve the different business scenarios, such as search ranking, natural language and video understanding, and trust and safety.
Machine Learning Engineer (LLM)- E-commerce Risk Control TikTok IncMachine Learning Engineer (LLM)- E-commerce Risk ControlSeattle, WAWe achieve this through: Advanced machine learning systems to detect and prevent evolving business risks (e.g., account takeovers, collusion, incentive abuse, brushing, click-farms); A hybrid approach combining machine learning models, retrieval-augmented reasoning, and multi-agent decision-making systems; Cross-functional collaboration with product, ops, security, and trust teams. Build agentic workflows for complex cases, including modular task agents (e.g., structured data retrieval, open-source search, logical reasoning, decision reflection) orchestrated via a central controller agent.
Machine Learning Engineer Intern (E-Commerce Recommendation Foundation) - 2027 Start (PhD TikTok IncMachine Learning Engineer Intern (E-Commerce Recommendation Foundation) - 2027 Start (PhDSeattle, WAPhD internships at Our Company provide students with the opportunity to actively contribute to our products and research, as well as to the organization s future plans and emerging technologies. Our dynamic internship experience blends hands-on learning, enriching community-building and professional development events, and collaboration with industry experts.
Data Engineer, E-Commerce TikTok IncData Engineer, E-CommerceSeattle, WAMinimum Qualifications: BS or MS degree in Computer Science or related technical field or equivalent practical experience; Experience in the Big Data technologies(Hadoop, M/R, Hive, Spark, Metastore, Presto, Flume, Kafka, ClickHouse, Flink etc.); Experience with performing data analysis, data ingestion and data integration; Experience with ETL(Extraction, Transformation & Loading) and architecting data systems; Experience with schema design, data modeling and SQL queries; Passionate and self-motivated about technologies in the Big Data area. reporting, growth analysis, multi-dimensional analysis); Design and implement reliable, scalable, robust and extensible big data systems that support core products and business; Establish solid design and best engineering practice for engineers as well as non-technical people.
E-Commerce Product Counsel TikTok IncE-Commerce Product CounselSeattle, WAMinimum Qualification(s): Bachelor's degree plus a Juris Doctorate from an ABA-accredited law school and a member in good standing of a U.S. state bar with experience in private law practice or in-house, providing product counseling for a technology company or application. In doing so, you will: Work with legal and product teams globally to review products, features, and new initiatives to provide legal risk mitigation strategies to ensure legal compliance for TikTok Shop from a US legal perspective.
Software Engineer Project Intern (Global E-Commerce Search Infrastructure) - 2026 Start TikTok IncSoftware Engineer Project Intern (Global E-Commerce Search Infrastructure) - 2026 StartSeattle, WASearch will propel TikTok Shop from tens of billions to hundreds of billions in annual GMV by activating real shopping intent, unlocking zero-sales products, and ensuring every item becomes instantly discoverable the moment a user types or taps. Data Pipelines: Build highly scalable and fault-tolerant data pipelines using Flink, Kafka, and Spark to ensure product changes (price, stock, and new listings) are reflected in search results in near real-time.
Software Engineer - E-commerce Recommendation Infrastructure - Seattle TikTok IncSoftware Engineer - E-commerce Recommendation Infrastructure - SeattleSeattle, WAWe work closely with applied machine learning engineers and build scalable systems to support all kinds of innovative algorithms and techniques. Minimum Qualifications.
Machine Learning Engineer Intern (E-Commerce Recommendation Mall) - 2027 Start (PhD) TikTok IncMachine Learning Engineer Intern (E-Commerce Recommendation Mall) - 2027 Start (PhD)Seattle, WALong-Term Value and User Experience Modeling: Explore replacing traditional heuristic rule-based systems with LLM and agent capabilities; build next-generation algorithms for measuring and optimizing long-term value (LTV) and user experience, enabling sustainable growth of the platform ecosystem. Experience with long-sequence user behavior modeling, multi-task learning, multi-interest modeling, or large-scale distributed training and inference optimization.