We strategically built a new cross-platform application (Karma Subito) that was developed on a modular system. This decoupled the front-end design from the back-end, ensuring that both systems could be synced and scaled independently. Our team identified the need for a seamless system that could simplify the process of content updation, and integrated Strapi CMS. This was crucial, as it allowed for hassle-free content management and regular updates across both the mobile application and website. Recognizing the importance of operational efficiency, we developed a secure central processing unit that enables seamless integration with multiple platforms, enhancing coordination across systems. Alongside this, we created a real-time booking platform that enabled simultaneous management of changes and reservations across various channels, ensuring accuracy and responsiveness for both members and staff. Our team at UPDOT® collaborated with Karma Group to provide maximum flexibility and a strong foundation for future additions. We also designed and developed a new backend architecture optimized for high performance, which ensured speed, minimal latency, and a superior user experience.