Drimva

TikTok

Senior Machine Learning Engineer - TikTok Short Video Content Understanding/Multimodal Recommendation

San Jose, California · Senior · Full-time · Posted Oct 28, 2026

About the job

Lead research, development, and production deployment of multimodal content-understanding and recommendation algorithms for TikTok short videos.

What you'll do

  • Develop multimodal algorithms and apply them to recommendation and other scenarios to improve business metrics.
  • Research multimodal and MLLM technologies and design algorithms that address business needs and advance the technology.
  • Drive engineering deployment, maintaining model stability, scalability, and efficiency in production.

What they ask for

  • Proven experience in multimodal content understanding and expertise in large language models (LLMs).
  • Familiarity with cutting-edge progress in the field.
  • Strong technical foundation in at least one major deep learning framework, such as PyTorch or TensorFlow.
  • Proactive mindset, ownership, communication skills, and ability to collaborate across teams.

Nice to have

  • Hands-on experience deploying content-understanding solutions in search, advertising, recommendation, or related domains.

Tools

LLMs, MLLM, PyTorch, TensorFlow, RL

AI focus

Multimodal content understanding and recommendation, including MLLM applications, generative recommendation, few-shot and zero-shot learning, video tagging, multimodal pretraining, AI labeling, active learning, continued pretraining, and reinforcement learning.

Model-written summary · the original posting is authoritative

First seen Oct 28, 2026 · Last verified Nov 5, 2026 (UTC)