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Machine Learning Scientist Graduate (TikTok Trust and Safety) - 2027 Start (PhD)

San Jose, United States of America💼 Full-time🗓 2026-09-28

Core

Developing state-of-the-art computer vision, NLP, and multimodality models to protect the platform from content violating community guidelines.

Role type

PhD-level Machine Learning Scientist (Trust and Safety)

Builds

Distributed model training frameworks and content understanding models for TikTok

Domain

Social media platform safety, computer vision, NLP, multimodality

Deliverable

production ML models

Required skills

Machine learning, Large Language Models, Reinforcement learning, distributed model training, coding

Responsibilities

Collaborate with product teams to define business objectives and improve trust and safety strategy; Collaborate with engineering teams to deploy machine learning models and implement serving pipelines at scale; Work on state-of-the-art content understanding techniques including unimodal/multimodal classifiers and LLMs

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