Founded in 2012, ByteDance's mission is to inspire creativity and enrich life. With a suite of more than a dozen products, including TikTok, Helo, and Resso, as well as platforms specific to the China market, including Toutiao, Douyin, and Xigua, ByteDance has made it easier and more fun for people to connect with, consume, and create content. Why Join Us Creation is the core of ByteDance's purpose. Our products are built to help imaginations thrive. This is doubly true of the teams that make our innovations possible. Together, we inspire creativity and enrich life - a mission we aim towards achieving every day. To us, every challenge, no matter how ambiguous, is an opportunity; to learn, to innovate, and to grow as one team. Status quo? Never. Courage? Always. At ByteDance, we create together and grow together. That's how we drive impact - for ourselves, our company, and the users we serve. Join us. Team Introduction The Security Research Department at ByteDance is dedicated to the research and application of Privacy Enhancing Technologies (PETs), including federated learning, multi-party security computation, trusted computing, differential privacy, and ciphertext computation. Our team leads the Jeddak Project, which aims to develop a trusted privacy computing platform that incorporates our advanced research on various PETs. This project plays a crucial role in enhancing data security and privacy throughout the entire lifecycle of cross-departmental data sharing. Our research is driven by real business needs and has been integrated into over 70 internal and external projects, including the ToB projects of Volcano Engine and the Private Data Platform for data sharing control at ByteDance. To address industry-level challenges, we have established strong collaborations with renowned research institutes in China. Additionally, our team has consistently won first prize in the prestigious iDash competition. Responsibilities * Be responsible for the research and development of the privacy computing platform, help address data security and privacy issues in real business. * Be in charge of the design and implementation of the SOTA privacy computing algorithm, platforms, and products. * Follow cutting edge research and industrial progress, design innovative algorithms and protocols of privacy computing to solve industry-level application issues (like large-scale data, extremely high performance, etc), publish patents and papers in top conferences.