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# Senior Machine Learning Engineer, TikTok Trust and Safety

- **Company:** Tiktok Inc
- **Location:** Seattle, WA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Artificial Neural Networks, Computer Vision, Content Analysis, Design of User Interfaces, Human-Computer Interaction, Internet Security, Python (Programming Language), Machine Learning, Natural Language Processing, Recommender Systems, Tensorflow, Reinforcement Learning, Pytorch, Large Language Models, Deep Learning, Information Technology, Software Coding
- **Published:** October 27, 2026
- **Apply:** https://www.careerbuilder.com/job-details/senior-machine-learning-engineer-tiktok-trust-and-safety-seattle-wa--2da78556-07c7-4e37-b241-7270cbfff212

## About the Role

Machine Learning, Machine Learning, User Interface/Experience (UI/UX), Leading Edge Technology, Internet Security, Team Player, Natural Language Processing (NLP), Scientific Research, Safety Systems, Neural Networks, * Minimum of 3 years experience in one or more of the areas: machine learning, deep learning, computer vision, content understanding.

 * BS/MS degree in Computer Science, Electrical Engineering, Operation Research, Applied Mathematics or similar quantitative fields.
 * Skilled in deep learning model training(CV/NLP/NN), serving, and optimization.
 * Proficient in deep learning frameworks such as PyTorch and TensorFlow.
 * Hands-on experience in one or more of the following areas: machine learning (CV/NLP/Multimodal), active learning, Large Language Models, Recommendation Systems, and related areas.
 * Strong coding skills, especially in Python and similar languages.
 * Good communication and teamwork skills, passionate about learning new techniques and taking on challenging problems.

Preferred Qualifications:

 * Experienced in large-scale online machine learning platforms is preferred.
 * Experiences in active learning, reinforcement learning, and LLM are a plus.
 * Experience in trust and safety areas is a plus.

## Description

* Responsible for a whole sub-module in moderation system or a research direction including but not limited to LLM and application in Safety, moderation system iteration.
 * Work with team members to design next-generation moderation systems with new technologies.
 * Work on Neural Network models and LLM-based models to solve TikTok online safety problems.
 * Work with engineering teams to implement model pipelines and deploy the service at scale.
 * Collaborate with the product team to define objectives and improve trust and safety strategy.