TikTok is the leading destination for short-form mobile video. Our mission is to inspire creativity and bring joy. TikTok has global offices including Los Angeles, New York, London, Paris, Berlin, Dubai, Singapore, Jakarta, Seoul and Tokyo.

Why Join Us
Creation is the core of TikTok's purpose. Our platform is built to help imaginations thrive. This is doubly true of the teams that make TikTok possible.
Together, we inspire creativity and bring joy - a mission we all believe in and aim towards achieving every day.
To us, every challenge, no matter how difficult, is an opportunity; to learn, to innovate, and to grow as one team. Status quo? Never. Courage? Always.
At TikTok, we create together and grow together. That's how we drive impact - for ourselves, our company, and the communities we serve.
Join us.

Anti-Automation Solutions (AA) is part of Business Integrated Risk Control(BRIC) team. Automated fraud refers to technical methods used by hackers to perform API abuse at scale using scripts and tools. Our vision is to establish an industry-leading team with a focus on end-to-end defense-in-depth systems with privacy and business needs in mind. We are responsible for continuously iterating over identifying and combating automated fraud through client environment inspection, risky signals collection, trusted computing, traffic validation, data mining and producing a wide variety of tools and subject matter services for business lines.

Description
- Build rules, model and machine learning solutions to proactively detect and mitigate automated abuse against Tiktok products/platform.
- Improve modeling infrastructures, labels, features and algorithms, partner with Product, Client, Backend and Operations to build a robust, automated and general bot defense system.
- Analyze business and security data, uncover evolving attack motion, identify weaknesses and opportunities in risk defense solutions, explore new space from the discoveries.