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

Written by the T&S Network from TikTok's posting.

Builds computer vision, NLP and multimodal models that detect content and behavior violating TikTok's community guidelines and related regulations. The team works on content understanding models that improve recognition of violating content, and on optimizing the distributed model training framework behind them.

What you'd do

• Work with product teams to set goals and sharpen the trust and safety approach.
• Work with engineering teams to deploy ML models, design online model workflows, and build serving pipelines at scale.
• Work with data scientists to identify key challenges and propose data-driven strategies.
• Develop unimodal and multimodal content classifiers, active learning, reinforcement learning, and large language models for content understanding.
• Help develop the content understanding model and keep optimizing the distributed training framework.

What it asks for

• PhD in computer science, electrical engineering, operations research, applied mathematics, or a similar quantitative field.
• Applied or research background in ML, large language models, recommendation systems, or closely related areas.
• Strong coding skills.
• Curiosity about new technologies, good communication, and teamwork skills.
• Ability to commit to an onboarding date by end of 2026.

Worth knowing

• Graduate role starting in 2026.

Our best summary of the posting, and it can be wrong. The employer's posting is what counts: read it in full on TikToknorth_east before you apply. If we got something wrong, report this listing.