You enhance Veridyn's user registration API for scalability. Simulation Details: Veridyn is a leading technology company specializing in web application development, known for delivering maintainable code and intuitive API designs. With a focus on user experience and scalability, Veridyn utilizes Java Spring Boot for back-end development and React for front-end interfaces. Their flagship personal finance platform serves over 500,000 active users monthly, offering features like real-time budget tracking and secure payment processing. The upcoming user registration API is a critical enhancement aimed at reducing onboarding time by 30% while addressing usability concerns, such as inconsistent error messages, to improve user experience and maintain data integrity. This API must also handle up to 10,000 registration requests per minute during peak times, making it a strategic milestone tied to an investor demo. In the "User Registration Validation Challenge," you will step into the role of a Software Developer tasked with refining Veridyn’s user registration API. Collaborating closely with Product Manager Beatriz Kim, your mission is to address usability concerns and technical scalability issues flagged by client feedback. Your tasks include implementing validation rules using Bean Validation annotations, designing a manual email uniqueness check to prevent duplicate registrations, and refining the exception handler to produce consistent, user-friendly error messages. Success requires balancing technical rigor with user-centric solutions while aligning your work with Veridyn’s broader product objectives. - Collaborate with Beatriz Kim to understand client feedback and usability standards. - Implement validation rules and a manual email uniqueness check in the API code. - Refine the exception handler to ensure error messages are clear, actionable, and consistent. - Ensure the API meets technical scalability requirements and usability goals.