{"id":1278922,"url":"https://alion.io/job/tiktok-research-scientist-tiktok-e-commerce-recommendation-2","title":"Research Scientist, TikTok E-Commerce Recommendation","company":{"id":47,"name":"TikTok","domain":"tiktok.com","url":"https://alion.io/company/tiktok","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Feishu","truth_index":{"grade":"B","score":83,"open_postings":3432,"ghost_share":0.198,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":98,"computed_at":"2026-10-30T05:48:23Z"}},"role":"AI/ML","role_family":"AI/ML","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Jose, United 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users.\nResponsibilities:\nConduct cutting-edge research in machine learning algorithms, such as retrieval and recommendation algorithms.\nParticipate in building large-scale (10 million to 100 million) e-commerce recommendation algorithms and systems, including commodity recommendations, live stream recommendations, short video recommendations etc in TikTok.\nBuild 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.\nApply machine learning algorithms to improve the different business scenarios, such as search ranking, natural language and video understanding, and trust and safety.\n任职要求 / Requirements\nMinimum Qualifications:\nMS/PhD in Computer Science, related technical field or equivalent industrial research experience.\n3+ years of working experience in one of the following fields: recommendation algorithm, online advertising, information 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