Backend Software Engineer Intern, Data Trust and Safety

Backend Software Engineer Intern, Data Trust and Safety

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 2025. Internships at TikTok aim to offer students industry exposure and hands-on experience. Watch your ambitions become reality as your inspiration brings infinite opportunities at 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.

Successful candidates must be able to commit to at least 3 months long internship period.

Successful candidates must be able to commit to either of the following Internships

• From December 2025 - February 2026 (onboard by 15 Dec 2025)

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.

About TikTok

TikTok is the leading destination for short-form mobile video. At TikTok, our mission is to inspire creativity and bring joy. TikTok's global headquarters are in Los Angeles and Singapore, and we also have offices in New York City, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo.

Why Join Us

Inspiring creativity is at the core of TikTok's mission. Our innovative product is built to help people authentically express themselves, discover and connect – and our global, diverse teams make that possible. Together, we create value for our communities, inspire creativity and bring joy - a mission we work towards every day.

We strive to do great things with great people. We lead with curiosity, humility, and a desire to make impact in a rapidly growing tech company. Every challenge is an opportunity to learn and innovate as one team. We're resilient and embrace challenges as they come. By constantly iterating and fostering an "Always Day 1" mindset, we achieve meaningful breakthroughs for ourselves, our company, and our users. When we create and grow together, the possibilities are limitless. Join us.

Diversity & Inclusion

TikTok is committed to creating an inclusive space where employees are valued for their skills, experiences, and unique perspectives. Our platform connects people from across the globe and so does our workplace. At TikTok, our mission is to inspire creativity and bring joy. To achieve that goal, we are committed to celebrating our diverse voices and to creating an environment that reflects the many communities we reach. We are passionate about this and hope you are too.

Key skills/competency

• Python
• Go
• PHP
• C++
• Java
• Data Structures
• Algorithms
• System Design
• Problem Solving
• Communication
• Teamwork
• High Concurrency Systems
• Risk Management
• Content Moderation
• Trust and Safety