Backend Software Engineer Intern (Data Trust and Safety) (BS/MS) (Nov 2026)

POLSUB; Sydney; Hybrid; AUD 22,000 - 33,000; Full time

Job summary

TikTok in Sydney is seeking an intern for the Trust and Safety engineering team to help research and develop safety-related systems for international live streaming products.

The internship runs from December 2026 to February 2027 (onboard by 7 Dec 2026) with hands-on projects, mentorship, and opportunities to contribute to live safety improvements at scale.

Applicants should be pursuing a CS degree and be proficient in at least one programming language (Python/Go/Java/C++/PHP).

Qualifications

• Bachelor or above degree in computer science or a related technical discipline.
• Proficiency in designing data structures, building algorithms, and at least one programming language: Python, Go, PHP, C++, or Java.
• Excellent problem analysis and driving ability; able to summarize and conclude.
• Strong communication and teamwork skills.
• Proactive and self-motivated with a sense of responsibility.

Responsibilities

• Research and development of trust and safety related systems and product functionalities on international live streaming products.
• Enhance safety experience for international live streaming users; build high-concurrency, high-stability systems.
• Analyze business requirements to find solutions for live streaming safety issues.

Skills

Data structures

Algorithms

Programming languages

Education

CS degree

Job description

Teams Introduction

The Trust and Safety(TnS) engineering team is responsible for protecting our users from harmful content and abusive behaviors. With the continuous efforts of our trust and safety engineering team, TikTok can provide the best user experience and bring joy to everyone in the world. Our team is responsible for achieving goals by building content moderation process systems, rule engine, strategy systems, feature engine, human moderation platforms, risk insight systems and all kinds of supportive platforms across TnS organization.

We are looking for talented individuals to join us for an internship in November/December 2026. Internships at our Company aim to offer students industry exposure and hands-on experience. Watch your ambitions become reality as your inspiration brings infinite opportunities at our Company.

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 Our Company and its affiliates' jobs globally. Applications will be reviewed on a rolling basis - we encourage you to apply early.

Successful candidates must be able to commit to the following Internships

• From December 2026 - February 2027 (onboard by 7 Dec 2026)

Responsibilities

• Responsible for the research and development of trust and safety related systems and product functionalities on international live streaming products, including but not limited to: safety process, user perception, review efficiency improvement, strategy platform construction, etc;
• Responsible for enhancing the safety experience of a large number of international live streaming users, and building high-concurrency, high-stability systems for higher daily active users;
• In-depth exploration and analysis of business requirements and products to find solutions for live streaming safety issues.

Qualifications

Minimum Qualifications:

• Bachelor or above degree in computer science or a related technical discipline;
• Proficiency in designing data structures, building algorithms, and at least one programming language: python / go / php / c++ / java

Preferred Qualifications:

• Have excellent problem analysis and driving ability, good at thinking about the underlying causes of problems, and adept at summarizing and concluding;
• Great communication and teamwork skills;
• Good teamwork, communication skills, and service awareness, proactive and optimistic, strong sense of responsibility and self-motivation.

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