Machine Learning Engineer Graduate (TikTok-Data-Search-Visual Search) - 2027 Start (PhD)

TikTok
San Jose
Full timeFunction: Data Science & Machine LearningEducation: phdSkills: ["Intellectual curiosity","Openness","Problem-solving","Communication","Self-direction"]

Build and improve TikTok’s search engine by combining information retrieval with modern machine learning. Work on applied research and scalable system improvements across content understanding (NLP/CV/LLMs), user behavior modeling and recommendation, video understanding, and retrieval/ranking/relevance evaluation. Collaborate in a Search Engineering team with a research-to-product mindset, translating ambiguous technical problems into clear trade-offs and measurable user impact.

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FursaFursa
TikTok
TikTok
1 day ago

Machine Learning Engineer Graduate (TikTok-Data-Search-Visual Search) - 2027 Start (PhD)

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Source: Company careers pageValidated by: Fursa AI
Last checked: 12 hours agoStatus: Live

Job Summary

Build and improve TikTok’s search engine by combining information retrieval with modern machine learning. Work on applied research and scalable system improvements across content understanding (NLP/CV/LLMs), user behavior modeling and recommendation, video understanding, and retrieval/ranking/relevance evaluation. Collaborate in a Search Engineering team with a research-to-product mindset, translating ambiguous technical problems into clear trade-offs and measurable user impact.
Location: San Jose
Employment Type: Full time
Job Function: Data Science & Machine Learning
Seniority: Graduate level

Key Responsibilities

  • •Participate in applied research to improve the search core algorithm.
  • •Advance content understanding by applying NLP/CV and LLMs to match the most relevant videos for search queries.
  • •Develop user behavior modeling for recommendation in search to improve personalization.
  • •Improve video understanding using NLP/CV/LLMs across video and social network signals.
  • •Create new retrieval, ranking, relevance evaluation, query understanding, multimodal search, or LLM application methods and translate them into scalable product improvements.

Key Requirements

  • •Completing or recently completed a PhD in Computer Science, Electrical Engineering, Machine Learning, Artificial Intelligence, Information Retrieval, Natural Language Processing, Data Mining, Statistics, or a related technical field.
  • •Experience in search, information retrieval, ranking, recommendation systems, NLP, multimodal learning, large language models, data mining, or machine learning systems.
  • •Experience with large-scale retrieval, ranking, model training, evaluation, online experimentation, distributed systems, or production ML systems.
  • •Familiarity with relevance evaluation, query understanding, semantic retrieval, vector search, LLM applications, or multimodal search.
  • •Publications, preprints, patents, open-source contributions, or research projects in search, recommendation, NLP, information retrieval, or related areas.
Education:PhD / Doctorate
Skills:Intellectual curiosityOpennessProblem-solvingCommunicationSelf-direction
Tech Stack:NLPCVLLMVector searchDistributed systems

Eligibility

Work Authorization:Authorization required. Sponsorship not provided.

Company Brief

TikTok
Short-form video platform that lets users create, share, and discover entertainment content through algorithmic recommendations. It also offers advertising and creator tools for brands, influencers, and businesses.
Industry: Digital Media
Company Size: Enterprise (1,001+ employees)
Growth: Scaleup
Headquarters: Singapore, Singapore
Founded: 2016
WebsiteLinkedIn