Research Scientist, Multimodal Generative AI (Intelligent Creation) – Global Frontier Tech Recruitment Program - 2027 Start (PhD)

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

Work on applied multimodal generative AI research for TikTok’s Intelligent Creation team. Build next-generation multimodal and agentic foundation models supporting end-to-end creative workflows, including full-modal understanding and AIGC image/video generation. Optimize model architectures and advance reinforcement learning and post-training (e.g., SFT, RL), collaborating cross-functionally to translate research into production-ready capabilities and new AI-driven creative experiences.

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FursaFursa
TikTok
TikTok
1 month ago

Research Scientist, Multimodal Generative AI (Intelligent Creation) – Global Frontier Tech Recruitment Program - 2027 Start (PhD)

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Job Summary

Work on applied multimodal generative AI research for TikTok’s Intelligent Creation team. Build next-generation multimodal and agentic foundation models supporting end-to-end creative workflows, including full-modal understanding and AIGC image/video generation. Optimize model architectures and advance reinforcement learning and post-training (e.g., SFT, RL), collaborating cross-functionally to translate research into production-ready capabilities and new AI-driven creative experiences.
Location: San Jose
Employment Type: Full time
Job Function: Data Science & Machine Learning

Key Responsibilities

  • •Conduct research and development in generative AI and multimodal models (e.g., image, video).
  • •Develop large-scale foundation models (LLMs/VLMs) using post-training techniques.
  • •Design and build models for creative applications on the TikTok platform and drive impact from research to production through cross-functional collaboration.
  • •Explore new AI-driven product opportunities and contribute to next-generation creative experiences.

Key Requirements

  • •Completing or having recently completed a PhD in Software Development, Computer Science, Computer Engineering, or a related technical discipline.
  • •Proficiency training generative AI or large models using frameworks such as PyTorch or JAX.
  • •Strong programming skills with solid fundamentals in machine learning.
  • •Strong problem-solving ability and motivation to tackle real-world challenges.
  • •Good communication and collaboration skills in fast-paced environments.
Experience:Generative aiMachine learningFoundation models
Education:PhD / Doctorate in Software Development, Computer Science, Computer Engineering, or related technical discipline
Skills:Problem-solvingCommunicationCollaboration
Tech Stack:Generative AIMultimodal modelsImage generationVideo generationLLMsVLMsPyTorchJAXSFTRLReinforcement learningRLHFDPOGRPO

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