João Pimentel is an experienced Application Security Engineer at Zapier, specializing in threat modeling, the bug bounty program, and mentoring through a Security Champions program. Prior roles include Backend Engineer at Zapier, where responsibilities encompassed developing email backend systems and ensuring data protection under GDPR. As a Cyber Security Instructor at SmartNinja, João contributed to educating future professionals in the field. Previous software development experience includes positions at LaterPay GmbH, where João handled payment and banking backend systems, Observit, focusing on e-commerce platforms and computer vision systems, and ZON TVCabo, as a Telecommunications Engineering Trainee. João holds an Integrated Master (MSc) in Electrical and Computer Engineering from Instituto Superior Técnico, where a master's thesis focused on machine vision for casino game monitoring was completed.