Huaiqian Mi is a seasoned professional in security engineering, currently serving as a Principal Security Software Engineer at Roblox since August 2022. Previously, Mi held positions such as Security Engineer at Amazon and Information Security Engineer at eBay, where significant contributions included leading threat modeling and security architecture reviews, and enhancing security through automation. Experience also encompasses roles as an Application Security Engineer at Autodesk, where Mi focused on secure application designs, and as a Security Solutions Architect at Akamai Technologies, conducting penetration testing and analyzing web applications for vulnerabilities. Earlier roles include security consulting at Synopsys Inc, and foundational positions in development, system administration, and quality engineering at China Mobile, Adobe, and Ericsson, respectively.