{"id":1291464,"url":"https://alion.io/job/tiktok-senior-machine-learning-engineer-tiktok-data-search-visual-search","title":"Senior Machine Learning Engineer - TikTok-Data-Search-Visual Search","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":3468,"ghost_share":0.2,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":96,"computed_at":"2026-10-22T06:10:10Z"}},"role":"AI/ML","role_family":"AI/ML","seniority":"senior","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 States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":220000,"max_usd":422000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":1268},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Machine Learning","optional":false},{"name":"NLP","optional":false},{"name":"Recommender Systems","optional":true}],"status":"live","first_seen_at":"2026-04-15T23:02:59Z","employer_posted_date":"2026-09-26","last_verified_at":"2026-10-22T06:20:04Z","board_verified":true,"closed_at":null,"days_open":189,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":189},"description":"岗位职责 / Responsibilities\nAbout the Team\nOn the TikTok Search Team, you will have the opportunity to develop and apply cutting edge machine learning technologies in real-time large-scale systems, which serve billions of search requests every day. Via advanced NLP and multi-modal models, our projects impact and improve the search experience for hundreds of millions of users globally. We embrace a culture of self-direction, intellectual curiosity, openness, and problem-solving.\nResponsibilities\nParticipate in the improvement of the search core algorithm, possible directions include: \nContent understanding/matching: Applying the industry's cutting-edge NLP and CV technology to match the most relevant videos for each search query, and continuously improve the relevance of TikTok search.\nUser Behavior Modeling: solving the recommendation problem in search, let TikTok search increase the ability of personalization on the basis of \"relevant\", and understand users better.\nVideo understanding: comprehensive use of NLP, CV, and other technologies for better video understanding from the perspective of the video itself and social network, improve the authority, credibility, and usefulness of search results.\nAnd More!\n任职要求 / Requirements\nMinimum Qualifications:\nBachelor or advanced degree in computer science or a related technical discipline.\nEffective communication and teamwork skills.\nProficient coding skills and strong algorithm & data structure basis.\nPreferred Qualifications:\n3+ years of related industry experience.\nExperience in one or more of the following areas is preferred: NLP, Ranking, Ads, search engine, recommender system, distributed system, and machine learning.","description_format":"text","description_chars":1690,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Media & Entertainment","Advertising","Social Commerce","Streaming & OTT Platforms"],"lifecycle":[{"event":"open","at":"2026-09-26T07:50:22Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 547 · green card filings: 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