Marlon Vinueza developed a core medical appointment scheduling feature for the V-V-Team-2025A/Migrania-App, enabling patients to book first-time, regular, and urgent care appointments with support for rescheduling and automated suggestions. He applied Behavior Driven Development using Gherkin to define and validate user scenarios, ensuring the workflow met real-world needs. The feature integrated notification workflows for both patients and doctors, streamlining communication and reducing manual coordination. Marlon’s work included full-stack development and API design, laying the groundwork for scalable patient communications and capacity planning. The solution improved scheduling reliability and accelerated access to care, delivering measurable automation benefits.