Tech Lead Machine Learning Engineer - CV/NLP/Multimodal LLM, Trust and Safety

TikTok
San Jose, CA
Category Engineering
Job Description
We are the Trust & Safety Algorithms Team at TikTok, dedicated to building intelligent systems that safeguard our content ecosystem and protect our global community. We develop advanced machine learning solutions to moderate content across multiple modalities, including video, images, text, and audio, in alignment with our Community Guidelines.

Requirements

  • Own the design and delivery of a core system module within a key content safety vertical
  • Lead ML engineers to deliver high-quality, production-ready solutions with strong technical rigor.
  • Architect and implement end-to-end ML pipelines, including data processing, model training, evaluation, deployment, and monitoring.
  • Apply advanced CV/NLP/LLM techniques to solve real-world moderation challenges across video, image, text, and audio.
  • Continuously improve model performance through data analysis, error diagnosis, feature engineering, and model innovation.
  • Collaborate closely with cross-functional partners (product, policy, operations etc.) to ensure technical solutions align with evolving business and safety requirements.

Benefits

  • Competitive salary
  • Stock options
  • Medical, dental, and vision insurance
  • Retirement plan
  • Paid time off
  • Family leave
]]>