Danny August Ramaputra is a Software Engineer at Mercari, working on the Identity Platform team responsible for authentication and authorization across the group's global products. Over the past four years in the identity domain, he has focused on designing authentication and account lifecycle architecture that supports Mercari's services at scale. His work spans adaptive risk-based authentication, high-assurance identity verification, and recovery mechanisms. He works across teams to integrate modern identity standards and modular authentication frameworks into Mercari's suite of products while maintaining strong security guarantees across the account lifecycle.