Nirat Tatiyanupanwong

Nirat Tatiyanupanwong is a seasoned Product Security Engineer currently employed at LayerX since December 2025, with a focus on enhancing product security. Previously, Nirat worked at Mercari, Inc. as a Security Engineer from February 2018 to December 2025, where responsibilities included designing secure architecture for various features, leading compliance efforts for PCI-DSS v4.0, and assessing risks for new projects. Prior to that, a role as Team Manager at Rakuten from October 2014 to January 2018 involved managing a global team and initiating security development lifecycle processes, while earlier positions encompassed IT Security Engineer and Application Engineer roles at Rakuten and software engineering at Accenture. Nirat began the professional journey with an internship at Mahidol University and holds a Bachelor's degree in Computer Science/Information Technology from the same institution.