1. Designed and co-developed the server-side components of 'Tellerpoint,' a fintech solution providing essential banking services to the unbanked and underbanked. Leveraged Java and Kotlin alongside AWS cloud infrastructure to ensure robust scalability, enabling the platform to efficiently and securely handle billions of Naira in monthly transaction volumes. Tellerpoint seamlessly integrates with Merchant POS terminals, Companion Mobile Apps, and a comprehensive Web Portal for administrative operations, enhancing usability and functionality across diverse banking environments.2. Designed and co-developed 'Salesbook,' a scalable point-of-sale (POS) solution tailored for businesses. Leveraging technologies such as Java, Kotlin, and AWS cloud infrastructure, Salesbook facilitates comprehensive management of sales, products, reports, and transactions. It enables businesses to seamlessly process both offline and online payments, ensuring convenient payment options for customers. Salesbook integrates with Merchant POS terminals and a Companion Back-office Mobile App, providing robust functionality for managing operations on the go.3. Contributed to maintaining and enhancing an administrative web application using Vue.js, TypeScript, and JavaScript. The admin dashboard provides comprehensive insights and detailed reports for transactions and configurations, supporting day-to-day operational functionalities as per business requirements.