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. About Us: TikTok identifies Trust and Safety as a top priority, and our team obsesses over it daily. 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 engines, strategy systems, feature engines, human moderation platforms, risk insight systems, and all kinds of supportive platforms across TnS organization. Responsibilities: - Build a highly scalable, efficient and robust trust, and safety platform and tools; - Understand product objectives to develop an easy-to-use platform that aligns with customers' needs; - Collaborate with trust and safety specialists, experts, and machine learning engineers; - Improve system design and architecture to ensure high stability and performance of the services; - Work with Trust and Safety teams to protect TikTok globally.