Research Scientist - LLM Applications on Search/Ads/Recommendation - Global Frontier Tech Recruitment Program - 2027 Start (PhD)

TikTok
San Jose
Workplace: OnsiteFull timeFunction: Data Science & Machine LearningEducation: phdSkills: ["Problem-solving","Self-driven learning","Effective communication","Translating research"]

Build and scale large-model solutions that power TikTok search, ads, and recommendation systems. Work on high-performance online services, global recommendation infrastructure, and extremely efficient data pipelines for training and online learning. Design and develop high-performance computing frameworks and storage systems to support distributed training, inference acceleration, and multimodal data processing, enabling stable, reliable, real-time user experiences at scale.

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FursaFursa
TikTok
TikTok
1 month ago

Research Scientist - LLM Applications on Search/Ads/Recommendation - Global Frontier Tech Recruitment Program - 2027 Start (PhD)

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Last checked: 16 hours agoStatus: Live

Job Summary

Build and scale large-model solutions that power TikTok search, ads, and recommendation systems. Work on high-performance online services, global recommendation infrastructure, and extremely efficient data pipelines for training and online learning. Design and develop high-performance computing frameworks and storage systems to support distributed training, inference acceleration, and multimodal data processing, enabling stable, reliable, real-time user experiences at scale.
Location: San Jose
Workplace: Onsite
Employment Type: Full time
Job Function: Data Science & Machine Learning
Seniority: Graduate level

Key Responsibilities

  • •Build and maintain high-performance online services for TikTok recommendation and search across product types.
  • •Build extremely efficient and reliable data pipelines for candidate generation, profile generation, training example generation, and realtime online training.
  • •Build globalized large-scale recommendation systems.
  • •Design and develop high-performance computing frameworks and storage systems.

Key Requirements

  • •Completing or recently completed a PhD in Software Development, Computer Science, Computer Engineering, or a related technical discipline.
  • •Research background in ML/AI focused on inference optimization, model acceleration, or efficient ML systems.
  • •Programming experience with C, C++, Java, or Python.
  • •Strong problem-solving skills, self-driven learning mindset, and effective communication.
  • •Ability to translate research into practical system implementations (preferred).
Experience:ML/AIAdvertisingRecommendation systemsSearchDistributed systems
Education:PhD / Doctorate
Skills:Problem-solvingSelf-driven learningEffective communicationTranslating research
Tech Stack:CC++JavaPython

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