Research Scientist Intern- E-commerce Recommendation(LLM Applications) - Global Frontier Tech Recruitment Program - 2027 Start (PhD) TikTok IncResearch Scientist Intern- E-commerce Recommendation(LLM Applications) - Global Frontier Tech Recruitment Program - 2027 Start (PhD)Seattle, WAAcross multiple scenarios-including live-streaming e-commerce, video-based commerce, and marketplace (shelf-based) commerce-the team is committed to delivering a more personalized, proactive, and efficient shopping experience for users, while providing merchants with a stable and reliable platform. Multimodal Large Models for E-commerce: Build multilingual, multimodal models achieving SOTA performance and powering intelligent e-commerce agents.
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.
NewSenior Fullstack Software Engineer, Global E-commerce User Growth TikTok IncSenior Fullstack Software Engineer, Global E-commerce User GrowthSeattle, WAGlobal E-commerce business team hopes to provide users with more tailored and efficient consumption experience, enabling merchants to receive stable and reliable platform services in different scenarios such as live E-commerce, short video content E-commerce, so as to make more affordable and high-quality products sell easily and a better life within reach. The team optimizes conversion, reduces acquisition costs, and enhances customer lifetime value using data-driven strategies and machine learning, while collaborating across teams to refine growth tactics through experimentation and market analysis.
Talent Acquisition Project Intern (E-Commerce) - 2026 Summer (BS/MS) TikTok IncTalent Acquisition Project Intern (E-Commerce) - 2026 Summer (BS/MS)Seattle, WAOur team builds the innovative technology that powers everything from live shopping and product discovery to checkout and logistics, making shopping on TikTok joyful, engaging, and effortless. Assist in developing and executing sourcing strategies to build a pipeline of top-tier technical talent for critical roles under the guidance of experienced team members.
Machine Learning Engineer Graduate (E-Commerce Recommendation/Search Alliance) - 2027 Start TikTok IncMachine Learning Engineer Graduate (E-Commerce Recommendation/Search Alliance) - 2027 StartSeattle, WADevelop AI-powered merchant operation systems and AI agents that help merchants optimize affiliate strategies, improve business ROI, and lower the barrier to growing their business through automation. Apply state-of-the-art LLMs, NLP, and multimodal machine learning to discover new business opportunities, driving sustainable growth for both merchants and creators.
Customer Care Specialist - eCommerce Hack Things, LLCCustomer Care Specialist - eCommerceSeattle, WA$25–$30 / hourCrowd Cow is looking for a Full-Time Customer Care Specialist based in Seattle, WA to deliver exceptional, concierge-level customer support across email, chat, and phone You'll be a first point of contact for our customers, bringing warmth and personal attention to every interaction, resolving issues quickly by understanding customer needs, and owning service interactions from start to finish. As the massive $200 billion categories of meat and seafood move online, Crowd Cow is building the world's premier discovery platform for luxury meat and seafood - a foodie's dream.
Machine Learning Engineer Graduate (E-Commerce Recommendation/Search Alliance) - 2027 Start (PhD) TikTok IncMachine Learning Engineer Graduate (E-Commerce Recommendation/Search Alliance) - 2027 Start (PhD)Seattle, WADevelop AI-powered merchant operation systems and AI agents that help merchants optimize affiliate strategies, improve business ROI, and lower the barrier to growing their business through automation. Apply state-of-the-art LLMs, NLP, and multimodal machine learning to discover new business opportunities, driving sustainable growth for both merchants and creators.
Machine Learning Engineer - Global E-commerce (ETA, Pricing & Conversion) TikTok IncMachine Learning Engineer - Global E-commerce (ETA, Pricing & Conversion)Seattle, WADesign intelligent impression allocation and dynamic consumer presentation strategies that balance user experience and business costs, ultimately driving higher retention and repeat purchase rates. LLM & AI Agent Innovation: Pioneer the development of domain-specific LLMs by leveraging massive e-commerce data for Continual Pre-Training (CPT), Supervised Fine-Tuning (SFT), and Reinforcement Learning (RL).
TikTok Shop - Senior Strategy Associate, Global E-Commerce Resource Management TikTok IncTikTok Shop - Senior Strategy Associate, 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.
Machine Learning Engineer Graduate (TikTok-Data-Search-Recommendation-Global E-Commerce) - 2027 Start TikTok IncMachine Learning Engineer Graduate (TikTok-Data-Search-Recommendation-Global E-Commerce) - 2027 StartSeattle, WAThis full-time Graduate role provides early-career engineers the opportunity to join one of our engineering teams where you will have the opportunity to: Participate in the improvement of the search core algorithm, possible directions include: Content understanding: Applying the industry s cutting-edge NLP and CV technology and leveraging LLM to match the most relevant videos for each search query, and continuously improve the relevance of TikTok search. Search systems engineering: designing, building, testing, and maintaining search services, data pipelines, tools, or platform components that support search quality, reliability, latency, and user experience.
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 Intern (E-Commerce Knowledge Graph) - 2027 Start (PhD) TikTok IncMachine Learning Engineer Intern (E-Commerce Knowledge Graph) - 2027 Start (PhD)Seattle, WAResponsibilities: Craft intricate knowledge graphs, encompassing areas like product/content insights and category/brand/SPU development; Architect knowledge maps detailing buyer and product connections. Experience in at least one of the technological areas: LLM, natural language generation, named entity recognition, machine translation, question answering, knowledge graph, information extraction, text mining and classification etc.
Senior Machine Learning Engineer(NLP/CV/Multimodal), TikTok E-commerce Knowledge Graph TikTok IncSenior Machine Learning Engineer(NLP/CV/Multimodal), TikTok E-commerce Knowledge GraphSeattle, WAFamiliar with commonly used machine learning and deep learning algorithms, understand basic network model structure (DNN/LSTM/CNN, etc.) and text representation methods (LDA/Word2Vec/ELMo/GPT/BERT, etc.), have practical experience in deep learning training and reasoning model tuning. Our team is responsible for developing state-of-the-art NLP/ML algorithms and strategies to improve user consumption experience, inspire merchants service quality and revenue, and build a fair and flourishing ecosystem on our E-commerce Platform.
Machine Learning Engineer Graduate (E-Commerce Recommendation Foundation) - 2027 Start TikTok IncMachine Learning Engineer Graduate (E-Commerce Recommendation Foundation) - 2027 StartSeattle, WAMinimum Qualifications: Individuals who are completing or have recently completed a Bachelor s 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.
Machine Learning Engineer(NLP/CV/Multimodal), TikTok E-commerce Knowledge Graph TikTok IncMachine Learning Engineer(NLP/CV/Multimodal), TikTok E-commerce Knowledge GraphSeattle, WAFamiliar with commonly used machine learning and deep learning algorithms, understand basic network model structure (DNN/LSTM/CNN, etc.) and text representation methods (LDA/Word2Vec/ELMo/GPT/BERT, etc.), have practical experience in deep learning training and reasoning model tuning. Our team is responsible for developing state-of-the-art NLP/ML algorithms and strategies to improve user consumption experience, inspire merchants service quality and revenue, and build a fair and flourishing ecosystem on our E-commerce Platform.
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.
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.
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 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.
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.