Hangjun Yi

Hangjun Yi is a highly skilled Staff Engineer with experience at Bill.com since August 2019, specializing in payment systems, virtual credit cards, microservices, serverless architectures, AWS, and cloud technologies. Prior to Bill.com, Hangjun served as a Senior Software Engineer at Hewlett Packard Enterprise from 2010 to 2019, where responsibilities included designing and developing both front-end and back-end components for the HP E-commerce and Configure, Pricing & Quoting System. Key contributions involved the implementation of the HP Next Generation Configuration System, optimization of system performance, and handling large-scale data operations. Hangjun holds both a Bachelor's degree and a Master's degree in Computer Science from Beihang University, along with additional education from the University of Houston.