Hulk is an Identity and Access Management (IAM) solution that leverages Node.js and TypeScript to provide a secure and scalable architecture. It utilizes a combination of PostgreSQL and Redis as data storage and caching layers, respectively. By deploying Hulk on Kubernetes using Docker containers, it achieves high availability and seamless scalability. With its robust design, Hulk ensures the management of user identities, authentication, and authorization, enforcing security policies and access controls in compliance with FAPI and Open Banking specifications. This IAM solution serves as a central component in the architecture, enabling a secure and controlled environment for user access and management.