Research Scientist Intern (Trust and Safety - CV/NLP/Multimodal LLM) - 2027 Start (PhD)
- Locations
- Seattle, United States of America · San Jose, United States of America
- Salary range
- USD $118,560 base
- Workplace
- In office
- Level
- Individual contributor
- Job family
- Data & Analytics
- Posted
- Recently
Stated as USD $57 an hour, at 40 hours a week.
The T&S Network estimates this role to be P1, Junior / Specialist. Key skills at this level: builds and ships detection or enforcement systems in production, evaluates a classifier on the metric that matches the harm, not on accuracy, and works with labeled data of uneven and adversarial quality.
Why this level
Estimated from the posting rather than stated by the employer: an early-career or graduate seat · posts $119k to $119k base at a company over 5,000 · the title reads as P2.
The role, in T&S terms
Written by the T&S Network from TikTok's posting.
Research internship on the algorithm team that builds computer vision, NLP and multimodal models to detect content and behaviors violating community guidelines and related regulations. The work targets violating content on TikTok, using multimodal and large-model approaches.
What you'd do
- Develop computer vision or multimodal models that recognize violating content on TikTok
- Explore large multimodal and vision models such as CLIP, BLIP, Flamingo and ViT variants
- Explore applying LLMs to business scenarios, including pre-training, zero-shot and few-shot learning
- Mine hard cases to improve model performance on violating content
- Continuously optimize the training framework for training large models
What it asks for
- Currently pursuing a PhD in computing or an adjacent technical field
- Research experience in at least one of computer vision, multimodality, or LLMs
- Proficiency with at least one deep learning framework such as PyTorch or TensorFlow
- Strong analytical, problem-solving, logical thinking, communication and collaboration skills
- Publications in top AI conferences or journals such as CVPR, ICCV, ECCV, NeurIPS, ICML or ICLR (preferred)
Our best summary of the posting, and it can be wrong. The employer's posting is what counts: read it in full on TikTok before you apply. If we got something wrong, report this listing.
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Still listed 14 hours ago
About TikTok

The employer
About TikTok
Social platforms · Media and streaming · Culver City, CA · 50,001 to 100,000 people · Founded 2016
Short-form video platform, run by ByteDance outside the US and by a joint venture of Oracle, Silver Lake and MGX inside it since 2026.
Moderation, reported
TikTok filed 37.7M moderation decisions with the European Commission for May 2026.
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