Machine Learning Engineer (LLM/VLM) - Trust and Safety (Australia)

Sydney, New South Wales, Australia Until 8/22/2026 3+ years exp H-1B sponsor history First posted March 29, 2026 Last posted March 29, 2026
Job description

Description

Building a world where people can safely discover, create and connect. The Trust & Safety (T&S) team at TikTok helps ensure that our global online community is safe and empowered to create and enjoy content across all of our applications. We have invested heavily in human and machine-based moderation to remove harmful content quickly and often before it reaches our general community.

We are looking for people like you with solid experience in designing and deploying state-of-the-art models in the combination of NLP and CV related areas. This position will work with a team of excellent research scientists and machine learning engineers who can take initiatives, design and develop advanced machine learning solutions, and deploy them directly to TikTok's global platform.

Responsibilities
- Build industry-leading content safety systems for TikTok;
- Develop highly-scalable classifiers, tools, models and algorithms leveraging cutting-edge machine learning, computer vision and data mining technologies;
- Understand product objectives and improve trust and safety strategy and model's performance;
- Work with cross-functional teams to protect TikTok globally.
- Collaborate with data analysts to understand and find data patterns

Requirements

Minimum Qualifications
- 3+ years experience in one or more of the areas: machine learning, deep learning, computer vision, NLP, Audio, content understanding.
- Skilled in pre-training foundation technologies, including efficient training and pre-training as a service, downstream applications of NLP/CV/Video are preferred
- Proficient in deep learning frameworks such as PyTorch and TensorFlow, and programming languages such as python or java.
- Good programming skills in Python and similar languages, and a deep understanding of data structures and algorithms
- Good communication and teamwork skills, be passionate about learning new techniques and taking on challenging problems

Preferred Qualifications
- Published papers in the top AI conferences or journals is a plus, including KDD, IJCAI, WWW, WSDM, ICML, NeurIPS, CVPR, ECCV, ICCV, ACL, etc.;
- Experience in trust and safety area is a plus
- 3+ years of experience participating in large-scale online machine learning platforms are preferred

About this role

Summary

Design and deploy machine learning models for content safety and trust on TikTok platform

Job title

Machine Learning Engineer (LLM/VLM) - Trust and Safety (Australia)

Experience level

3+ years

Minimum experience

3+ years exp

Industry

software

Location requirements

Sydney, Australia; remote work not specified

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

machine learningdeep learningPyTorchTensorFlowPython

Preferred skills

publications in top AI conferencestrust and safety experiencelarge-scale online machine learning

Specializations

machine learningdeep learningcomputer visionNLPcontent understanding
Locations

Structured locations inferred from the posting.

Sydney NSW, Australia

Work arrangement unknown City