Responsibilities & achievements

Developed the main billing software to be used by 96+ Gas stations. Lead the creation of the Software Development Department in the company. Currently leading a 4 members team. ■ Developed an Electronic Invoice Software to handle an average of 600,000 Invoices per month. It interacts with Tax Authorities in Guatemala, following their API guidelines and Laws. This Web App allows users to visualize reports, customize settings required by law, manage users and product catalogs with inventory support. This Web App is developed with React, Node.js, Microsoft SQL Server and React Native for the mobile app installed in 1000+ POS handheld devices. Developed a Payroll Software to handle the payments of more than 1,000 Employees following the Country Laws with automatic commissions calculation based on the invoices created by the billing software reducing time and human mistakes by 75%. Developed a customer rewards App (Beta) alongside the Marketing Team. This app is developed with Flutter and is being Beta tested by internal users.

Responsibilities & achievements

Developed many Web apps to handle data sent by 2000+ IoT Devices Developed the Web/Mobile App for soil humidity control devices handling requests of 900+ devices sending real-time updates of sugar cane plantations, Developed graphics using dygraph.js to allow customers to know their plantation's humidity levels. The Web App is developed with HTML/Javascript, Express.js, MQTT Node.js, and MongoDB. The Mobile app is developed with Flutter. Development of an Oxygen Tank Level Tracking App, It received data from level sensors installed on Oxygen tanks used in hospitals, restaurants, and Industries. Development of a basic oxygen prediction algorithm to avoid hospitals running out of oxygen which was very helpful during COVID-19 outbreaks. Took care of Cyber Security by implementing Let’s Encrypt SSL certificates on all APIs and Web Apps.