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Machine Learning Engineer Graduate - (TikTok Trust and Safety - CV/NLP/Multimodal LLM) - 2026 Start(PHD)

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

Core

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

Role type

PhD-level Machine Learning Engineer (Trust and Safety)

Builds

Distributed model training frameworks and content understanding models for TikTok

Domain

Social Media / Trust and Safety / Computer Vision / NLP / Multimodal LLMs

Deliverable

production ML models

Required skills

Machine learning, Large Language Models, Computer Vision, NLP, Distributed systems, Reinforcement learning, Active learning

Preferred skills

Recommendation Systems, Entrepreneurship mindset

Technologies

Large Language Models, Active learning models, Reinforcement learning models

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

Seniority

PhD, Research & Development

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