Familiar with the core payment architecture and have at least one experience in developing the main process of the payment system's full chain. Understand the concept of anti-loss and have actual loss cases or solutions. Have participated in the development and maintenance of payment systems for at least 2 years. Have experience in connecting with foreign channels. Communicate smoothly and have an independent owner mindset. Have at least 5 years of Java experience. Must base in Shanghai/Chengdu, China