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

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

Build and own TikTok’s search engine by combining information retrieval with modern machine learning. Work on applied research and improvements to the search core algorithm across content understanding (NLP/CV and LLMs), user behavior modeling and personalization, video understanding, and retrieval/ranking/relevance evaluation, including multimodal and LLM-based search. Translate research ideas into scalable product improvements while collaborating in a self-directed engineering environment.

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FursaFursa
TikTok
TikTok
1 day ago

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

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

Job Summary

Build and own TikTok’s search engine by combining information retrieval with modern machine learning. Work on applied research and improvements to the search core algorithm across content understanding (NLP/CV and LLMs), user behavior modeling and personalization, video understanding, and retrieval/ranking/relevance evaluation, including multimodal and LLM-based search. Translate research ideas into scalable product improvements while collaborating in a self-directed engineering environment.
Location: San Jose
Employment Type: Full time
Job Function: Data Science & Machine Learning
Seniority: Graduate level

Key Responsibilities

  • •Participate in applied research and improvement of the search core algorithm.
  • •Develop content understanding solutions using NLP/CV and LLMs to improve video relevance for search queries.
  • •Solve search personalization and user behavior modeling to improve relevance and user understanding.
  • •Advance video understanding using NLP, CV, and LLMs to improve authority, credibility, and usefulness of results.
  • •Build and evaluate retrieval, ranking, relevance evaluation, query understanding, multimodal search, or LLM application methods, translating research into scalable product improvements.

Key Requirements

  • •Currently pursuing 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 field.
  • •Must graduate with an applicable degree before onboarding.
  • •Research or practical experience in areas such as search, information retrieval, ranking, recommendation systems, NLP, multimodal learning, large language models, data mining, or machine learning systems.
  • •Demonstrated experience in areas relevant to search quality improvement, such as relevance evaluation, query understanding, semantic retrieval, vector search, LLM applications, or multimodal search.
  • •Experience with large-scale retrieval, ranking, model training, evaluation, online experimentation, distributed systems, or production ML systems.
Experience:Information retrievalMachine learningNLPComputer visionRecommender systemsLarge language modelsMultimodal learning
Education:PhD / Doctorate in Computer Science, Electrical Engineering, Machine Learning, Artificial Intelligence, Information Retrieval, Natural Language Processing, Data Mining, Statistics
Skills:Self-directionIntellectual curiosityProblem-solvingOpennessClear communication
Tech Stack:NLPCVLLMRecommender systemLarge language modelsVector searchMultimodal searchDistributed systemsOnline experimentation

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