TikTok Shop - Strategy & Data Analyst, E-Commerce TikTok IncTikTok Shop - Strategy & Data Analyst, E-CommerceSeattle, WAFamiliarity with E-commerce business logic and analytical frameworks, possessing the ability to think structurally, provide data-driven insights, identify key factors, simplify complex issues, align thinking with business objectives. The team operates at the center of global strategy planning, research and analysis, partnering closely with regional and industry leaders to identify market opportunity, determine operation directions and set key team targets.
Technical Sourcer - Global E-Commerce - Seattle (Third-Party Associate) TikTok IncTechnical Sourcer - Global E-Commerce - Seattle (Third-Party Associate)Seattle, WA$30–$50 / hourOur company believes that criminal history may have a direct, adverse and negative relationship on the following job duties, potentially resulting in the withdrawal of the conditional offer of employment: Interacting and occasionally having unsupervised contact with internal/external clients and/or colleagues; Appropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems; and. Proven success sourcing candidates for technical roles, with the ability to discuss the positions you ve supported, sourcing strategies you ve used, hiring challenges you ve overcome, and measurable results you ve achieved.
Machine Learning Scientist Intern (Global E-Commerce Content Recommendation) - 2026 Summer (PhD) TikTok IncMachine Learning Scientist Intern (Global E-Commerce Content Recommendation) - 2026 Summer (PhD)Seattle, WAMinimum Qualifications: Currently pursuing a PhD with a background in computer science, machine learning, or similar fields; Good knowledge of theoretical and empirical research in addressing research problems; Solid knowledge and experience with at least one popular deep learning framework (e.g., PyTorch,TensorFlow) and familiarity with deep neural network architectures. PhD Internships at our Company aim to provide students with the opportunity to actively contribute to our products and research, and to the organization s future plans and emerging technologies.
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.
TikTok Shop - Head of E-commerce Listing Governance TikTok IncTikTok Shop - Head of E-commerce Listing GovernanceSeattle, WADrive Cross-Functional Collaboration: Serve as the primary TikTok Shop listing governance expert in the US, partnering closely with Legal, Product, Trust & Safety, Engineering, Operations, and Data Science teams to ensure policies are technically feasible, operationally scalable, clearly communicated, and consistently enforced. This role will also play a key part in advancing data-driven and AI-enabled governance capabilities, partnering with product, operations, legal, and global governance teams to build scalable systems that support the long-term growth of TikTok Shop.
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.
Research Scientist - TikTok E-Commerce Recommendation Foundation TikTok IncResearch Scientist - TikTok E-Commerce Recommendation FoundationSeattle, WAApply LLM technologies across retrieval, ranking, and re-ranking stages; participate in model training, inference optimization, and system co-design. Minimum Qualifications: MS/PhD in Computer Science, related technical field or equivalent industrial research experience.
Machine Learning Engineer Graduate (E-Commerce Recommendation Live) - 2027 Start TikTok IncMachine Learning Engineer Graduate (E-Commerce Recommendation Live) - 2027 StartSeattle, WAThe team operates in a highly dynamic environment where live room status changes in real time, conversion signals are sparse, and user intent must be understood across content, commerce, and transaction scenarios. Experience with long-sequence user behavior modeling, multi-task learning, multi-interest modeling, or large-scale distributed training and inference optimization.
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.
Machine Learning Engineer Intern (E-Commerce Supply Chain & Logistics-LLM/Agent) - 2027 Start (PhD) TikTok IncMachine Learning Engineer Intern (E-Commerce Supply Chain & Logistics-LLM/Agent) - 2027 Start (PhD)Seattle, WAParticipate in building domain LLM model capabilities for e-commerce supply chain and logistics, including 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 landing scenarios such as address correction, trajectory prediction, logistics cost analysis, customer service semantic understanding, and root-cause analysis. Support agent architecture, engineering, evaluation, and evolution work, including runtime orchestration, memory and state management, model / tool routing, permission-safe execution, observability, benchmark and Golden Set evaluation, bad case attribution, regression testing, online feedback loops, and continuous improvement of context, skills, workflows, and model behavior.
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.
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.
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.
Machine Learning Engineer Graduate (E-Commerce Recommendation Foundation)- 2027 Start (PhD) TikTok IncMachine Learning Engineer Graduate (E-Commerce Recommendation Foundation)- 2027 Start (PhD)Seattle, WAMinimum Qualifications: Individuals who are completing or have recently completed a PhD degree in Computer Science, Electrical Engineering, Mathematics, Statistics or a related discipline. As a graduate, you will get opportunities to pursue bold ideas, tackle complex challenges, and unlock limitless growth.
Applied Scientist, Search, E-Commerce Alliance TikTok IncApplied Scientist, Search, 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. The e-commerce alliance team aims to serve merchants and creators in the e-commerce platform to meet merchants business indicators and improve creators creative efficiency.
HR Business Partner - Global E-Commerce Logistics (Seattle) TikTok IncHR Business Partner - Global E-Commerce Logistics (Seattle)Seattle, WAIncludes headcount planning, org structure, and selection/implementation of labor models (business process outsourcing, staffing agency, direct hire labor). Deep understanding of Fulfillment Centre or Sortation Center operating models, labor structures and frontline workforce management.
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.