Kosuke Yoshioka
About Kosuke Yoshioka
Kosuke Yoshioka is a Full Stack Software Engineer with expertise in integrating third-party services for banking and fraud verification. He has worked at Expensify since 2016, where he has played a key role in developing user flows and the cashback program.
Work at Expensify
Kosuke Yoshioka has been employed at Expensify as a Full Stack Software Engineer since 2016. In this role, he has been involved in integrating third-party services for various functions, including bank accounts and fraud verifications. He has collaborated with Expensify's directors, legal team, and top clients to finalize the structure of the cashback program. Additionally, he has led a team of engineers in developing the cashback feature and worked with the design team to enhance the user experience for the rewards dashboard of the Expensify Card.
Education and Expertise
Kosuke Yoshioka studied at Duke University, where he earned a Bachelor of Arts (B.A.) degree with a major in Psychology and a minor in Economics, along with a Marketing and Management Certificate, from 2008 to 2012. He also attended The Branson School from 2004 to 2008. Furthering his technical skills, he completed a Full-Stack Web Developer program at Dev Bootcamp in 2015. His expertise includes integrating third-party services such as Stripe, Plaid, and Onfido, focusing on compliance with regulatory requirements.
Background
Before joining Expensify, Kosuke Yoshioka worked at Attack! as a Research Analyst from 2013 to 2015. He also served as a Campus Ambassador for Mr Youth in 2011 and held a Marketing Intern position at Rentalic Inc. in 2010. His early career experiences provided him with a foundation in research, marketing, and client engagement, which he has built upon in his current role.
Achievements
At Expensify, Kosuke Yoshioka designed and implemented the cashback program, which has been rolled out to over 12 million end users. He played a key role in revamping the billing flow to comply with the European Union's 'Strong Customer Authentication' regulations. Additionally, he developed user flows to notify users of challenged payments and integrated app authentication through email and push notifications.