Oscar Ivan Ramirez

Maintain and scale two existing applications for appointment schedules with more than 150K+ users. The app infrastructure was made following Google recommendations (Jetpack Libraries) and good practices based on SOLID principles, design patterns, algorithms, and data structures.

Maintain and scale two existing applications for appointment schedules with more than 150K+ users. The app infrastructure was made following Google recommendations (Jetpack Libraries) and good practices based on SOLID principles, design patterns, algorithms, and data structures.

Maintain and scale existing app for inventory and schedule of appointments follow an agile methodology using Java and Kotlin as the programming languages with a modular architecture based on clean code principles and always taking into account the SOLID principles for its conception and maintenance. Also maintain and scale exiting web app with the same purpose of the mobile app follow an agile methodology, using TypeScript, HTML, CSS, and angular for the front and Java and Spring boot for the backend.

Maintain, scale and create from scratch apps for shipping, delivery and tracking following an agile methodology using Java as the main language and following a MVP architecture pattern focused on Clean architecture always taking into account the SOLID principles and design principles.