PhD Graduate Machine Learning Engineer Graduate, Trust and Safety Engineering - 2026 Start

TikTok Inc.; Sydney; On-site; AUD 70,000 - 100,000; Full time

Job summary

TikTok is seeking a graduate Machine Learning Engineer to join the Trust & Safety team in Sydney. You will collaborate on research projects, work with world-class engineers, and develop scalable ML classifiers and models leveraging ML, CV and data mining techniques.

Rollout includes product prototyping and risk management initiatives across TikTok's platforms. Ideal candidates are advancing a PhD or Master in CS or related field, with strong knowledge in ML, NLP, data mining, pattern recognition

Qualifications

• Pursuing PhD or Master in CS or related engineering field.
• Solid knowledge in at least one of: machine learning, pattern recognition, NLP, data mining, or computer vision.
• Firm understanding of data structures and algorithms.
• Great communication and teamwork skills.
• Preferred: passion about ML problems.

Responsibilities

• Collaborate on research projects within the team or across countries.
• Work with engineers to build trust and safety systems and ML models.
• Develop scalable classifiers, tools, models, and algorithms using ML, CV, and data mining.
• Improve trust and safety strategy and iterate models.
• Collaborate with cross-functional teams to protect TikTok globally.
• Present research outcomes to internal audiences.
• Apply research to product prototyping and real-world challenges.
• Prototype and explore novel ML solutions and conduct experiments.

Skills

Machine learning

Pattern recognition

NLP

Data mining

Computer vision

Data structures and algorithms

Communication

Teamwork

Education

PhD or Master in CS or related field

Job description

Responsibilities

Team Introduction

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 talented individuals to join us in 2026. As a graduate, you will get unparalleled opportunities for you to kickstart your career, pursue bold ideas and explore limitless growth opportunities. Co-create a future driven by your inspiration with TikTok.

Candidates can apply to a maximum of two positions and will be considered for jobs in the order you apply. The application limit is applicable to TikTok and its affiliates' jobs globally. Applications will be reviewed on a rolling basis - we encourage you to apply early.

As a Machine Learning Engineer, you'll have the chance to work with our clients and teams to address key business problems and identify areas of growth for the company. With your education and experience, you will be able to take on real-world challenges from day one.

Responsibilities

• Collaborate on research projects within the team or across countries


• Work with our world-class engineers to build industry-leading trust and safety systems for TikTok


• Develop and build up highly-scalable classifiers, tools, models and algorithms leveraging cutting-edge machine learning, computer vision and data mining technologies


• Improve our trust and safety strategy and work on model iterations


• Collaborate with cross-functional teams to protect TikTok globally


• Present research outcomes to internal and/or external audiences


• Work with engineering teams to apply technical achievements from our research to product prototyping.


• Develop and implement innovative machine learning algorithms to manage business risks in TikTok's products and platforms


• Prototype and explore novel solutions, conduct experiments to validate hypotheses, and provide insights to Product and Tech teams

Qualifications

Minimum Qualifications

1. Currently pursuing your PhD or Master degree in Computer Science or related engineering field.


2. Solid knowledge in at least one of the following areas: machine learning, pattern recognition, NLP, data mining, or computer vision


3. Firm understanding of data structures and algorithms


4. Great communication and teamwork skills

Preferred Qualifications

1. Passion about techniques and solving challenging problems


2. Previous experience in applications of machine learning, pattern recognition, NLP, data mining, or computer vision

By submitting an application for this role, you accept and agree to our global applicant privacy policy, which may be accessed here: https://careers.tiktok.com/legal/privacy.

If you have any questions, please reach out to us at [e-mail]