Data Knowledge System Research Scientist Graduate (Data Platform-Global Live) - 2027 Start (PhD)

TikTok
San Jose
Full timeFunction: Data Science & Machine LearningEducation: phdSkills: ["Problem-solving","Curiosity"]

Research and design a unified knowledge system for enterprise data in the LLM era, enabling reliable query, reasoning, and execution for TikTok LIVE. Build RAG-based knowledge systems with low latency, develop ontology/semantic layers, and design batch + real-time knowledge ingestion and updates. Improve LLM grounding, traceability, and reliability, explore agent-based reasoning/execution frameworks, and prototype ideas for production deployment.

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FursaFursa
TikTok
TikTok
1 month ago

Data Knowledge System Research Scientist Graduate (Data Platform-Global Live) - 2027 Start (PhD)

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Source: Company careers pageValidated by: Fursa AI
Last checked: 8 hours agoStatus: Live

Job Summary

Research and design a unified knowledge system for enterprise data in the LLM era, enabling reliable query, reasoning, and execution for TikTok LIVE. Build RAG-based knowledge systems with low latency, develop ontology/semantic layers, and design batch + real-time knowledge ingestion and updates. Improve LLM grounding, traceability, and reliability, explore agent-based reasoning/execution frameworks, and prototype ideas for production deployment.
Location: San Jose
Employment Type: Full time
Job Function: Data Science & Machine Learning
Seniority: Graduate level

Key Responsibilities

  • •Research and design unified knowledge representations for enterprise data.
  • •Explore and build RAG-based knowledge systems with high accuracy and low latency.
  • •Develop ontology/semantic layers to bridge data and LLM understanding.
  • •Design knowledge ingestion and update mechanisms (batch + real-time).
  • •Explore agent-based reasoning and execution frameworks and prototype ideas for production systems.

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, Java, or Scala.
  • •Solid understanding of data systems, data modeling, or distributed systems.
  • •Experience in at least one area: data engineering/backend systems or machine learning/LLM systems.
  • •Strong problem-solving skills and curiosity about new technologies.
Experience:LLMRAGData engineeringMachine learningDistributed systems
Education:PhD / Doctorate
Skills:Problem-solvingCuriosity
Tech Stack:PythonJavaScalaLLMRAGVector databasesKnowledge graphsOntology modelingFlinkKafka

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