AI Engineer (LLM/Multimodal) Graduate(TikTok Search) - 2027 Start (PhD)

TikTok
Singapore
Workplace: OnsiteFull timeFunction: Data Science & Machine LearningEducation: phdSkills: ["Self-direction","Intellectual curiosity","Problem-solving","Analytical thinking","Communication"]

Build and own large-scale search experiences by developing algorithms for query understanding, retrieval, ranking, reranking, and relevance modeling. Apply machine learning, deep learning, and foundation model techniques to improve search relevance and personalization, and explore LLM-powered and retrieval-augmented search. Extend search with multimodal capabilities across text, image, video, audio, and user behavior, partnering with product, engineering, and research while driving improvements from research to production through experiments and evaluation.

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FursaFursa
TikTok
TikTok
1 day ago

AI Engineer (LLM/Multimodal) Graduate(TikTok Search) - 2027 Start (PhD)

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Canonical indexed version, validated from employer's careers page.

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

Job Summary

Build and own large-scale search experiences by developing algorithms for query understanding, retrieval, ranking, reranking, and relevance modeling. Apply machine learning, deep learning, and foundation model techniques to improve search relevance and personalization, and explore LLM-powered and retrieval-augmented search. Extend search with multimodal capabilities across text, image, video, audio, and user behavior, partnering with product, engineering, and research while driving improvements from research to production through experiments and evaluation.
Location: Singapore
Workplace: Onsite
Employment Type: Full time
Job Function: Data Science & Machine Learning
Seniority: Graduate level

Key Responsibilities

  • •Develop and optimize algorithms for large-scale search systems, including query understanding, retrieval, ranking, reranking, and relevance modeling.
  • •Apply machine learning, deep learning, and foundation model technologies to improve search relevance, personalization, and user satisfaction.
  • •Explore LLM-powered search technologies such as generative search, retrieval-augmented generation, search agents, long-context understanding, and multi-turn scenarios.
  • •Build and improve multimodal search capabilities using text, image, video, audio, and user behavior/content signals.
  • •Collaborate with product, engineering, and research teams to address search quality issues and drive algorithm improvements from research to production deployment.

Key Requirements

  • •Completing or recently completed a PhD in Software Development, Computer Science, Computer Engineering, or a related technical discipline.
  • •Strong programming skills in Python, C++, or a related language.
  • •Good understanding of machine learning and deep learning fundamentals.
  • •Hands-on experience in at least one relevant area such as search/retrieval, ranking, recommender systems, NLP, multimodal learning, LLMs, or applied ML.
  • •Ability to conduct structured research or technical problem-solving and translate ideas into working solutions.
Education:PhD / Doctorate
Skills:Self-directionIntellectual curiosityProblem-solvingAnalytical thinkingCommunication
Tech Stack:PythonC++Machine LearningDeep LearningNLPComputer VisionMultimodalRecommender SystemsLLMsLLM-powered searchGenerative searchRetrieval-augmented generationSearch agentsLong-context understandingMulti-turn searchOnline/offline experiments

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