AI Machine Learning Engineer Intern (TikTok Search) - 2026 Start (PhD)

TikTok
Singapore
InternshipFunction: Data Science & Machine LearningEducation: phdSkills: ["Effective communication","Teamwork","Self-direction","Intellectual curiosity","Problem-solving"]

Join TikTok’s Search Team to build and improve a full-stack search engine using modern machine learning and information retrieval. You’ll work on NLP and multimodal capabilities (including NER and text/multimodal pre-training), cross-modal matching (CV + NLP) for video search, and large-scale streaming ML for personalized recommendations. The role also includes researching distributed data and designing high-throughput, low-latency services, with focus on scalable search recommendation systems.

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FursaFursa
TikTok
TikTok
1 month ago

AI Machine Learning Engineer Intern (TikTok Search) - 2026 Start (PhD)

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Source: Company careers pageValidated by: Fursa AI
Last checked: 19 hours agoStatus: Live

Job Summary

Join TikTok’s Search Team to build and improve a full-stack search engine using modern machine learning and information retrieval. You’ll work on NLP and multimodal capabilities (including NER and text/multimodal pre-training), cross-modal matching (CV + NLP) for video search, and large-scale streaming ML for personalized recommendations. The role also includes researching distributed data and designing high-throughput, low-latency services, with focus on scalable search recommendation systems.
Location: Singapore
Employment Type: Internship
Job Function: Data Science & Machine Learning
Seniority: Intern level

Key Responsibilities

  • •Explore NLP technologies for search, from tasks like word segmentation and NER to text and multimodal pre-training, query analysis, and relevance modeling.
  • •Develop cross-modal matching methods combining computer vision and natural language processing for multimodal video search.
  • •Build large-scale streaming machine learning solutions to tackle recommendation challenges and improve search personalization.
  • •Research data-scale architecture spanning offline computing and distributed systems scheduling, and design high-availability online services with low latency.
  • •Design and innovate search recommendation technologies using ultra-large-scale machine learning for industry-leading performance.

Key Requirements

  • •Currently pursuing a PhD in Computer Science, engineering, or a quantitative field.
  • •Proficient in C++ and/or Python with strong algorithms and data structures knowledge (e.g., retrieval, graph algorithms).
  • •Strong AI/machine learning background.
  • •Modeling experience in one or more areas such as Ads, search engine, recommender systems, or NLP/CV.
  • •Solid foundation in algorithms related to LLMs, including single-modal/multi-modal LLM application and deployment.
Education:PhD / Doctorate in Computer Science, Engineering or quantitative field
Skills:Effective communicationTeamworkSelf-directionIntellectual curiosityProblem-solving
Tech Stack:C++PythonNLPNamed Entity Recognition (NER)Computer VisionMultimodalRecommender SystemsLarge Language Models (LLMs)Distributed Systems

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