Senior Machine Learning Engineer, TikTok Trust and Safety
- Location
- Seattle, United States of America
- Salary range
- USD $207,480 – $368,220 base
- Workplace
- In office
- Level
- Senior / Staff IC
- Job family
- Engineering
- Posted
- Recently
The T&S Network estimates this role to be P3, Senior. The typical base salary for that level in Safety Engineering & Data Science is $190k to $260k at an employer this size in Seattle. Key skills at this level: owns a detection system end to end, including its drift and its retraining, designs for adversarial pressure rather than for a static distribution, and sets evaluation methodology others in the company adopt.
Why this level
Estimated from the posting rather than stated by the employer: the title reads as P3 · asks for 3+ years · posts $207k to $368k base at a company over 5,000 in Seattle.
The role, in T&S terms
Written by the T&S Network from TikTok's posting.
Builds machine learning models and systems that detect and defend against internet abuse and fraud on a large short-video platform. The team sits in the Trust and Safety R&D group and works on the platform's moderation systems, including LLM-based safety models deployed to the global user base.
What you'd do
- Own a sub-module of the moderation system or a research direction, including LLM applications in safety.
- Design next-generation moderation systems using new technologies with team members.
- Build neural network and LLM-based models to address online safety problems on the platform.
- Work with data analysts to find and understand patterns in platform data.
What it asks for
- 3+ years in machine learning, deep learning, computer vision, or content understanding.
- Deep learning model training, serving, and optimization across CV, NLP, or neural network work.
- Proficiency with PyTorch and TensorFlow.
- Hands-on experience with CV, NLP, multimodal, active learning, LLMs, or recommendation systems.
- Strong coding skills in Python or similar languages.
- Experience with large-scale online machine learning platforms (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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