About me
Explore this section to gain insights into who I am, my professional background, my skills and the different technologies I worked with.
Projects
Here you will find some of the projects I was involved in, in most of the cases as lead developer.
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Online Payment Platform
Metrepay
Metrepay is a Paraguayan Fintech company focused on online payments. In this project, we worked on integrating the platform with various payment methods, some local like Bancard and Dinelco, and others international such as Paypal and Cybersource (a VISA solution). Since the platform includes the possibility of recurring payments, we have a robust system of "customizable payment attempts" distributed throughout the day. This payment attempt system is queued with asynchronous tasks. Additionally, there is a Webhooks system and integration with the system via API. All these tasks together resulted in a workload of 300,000 daily operations, including payments, notifications, emails, etc.
Building Managment System
La Administradora
In this project, the business model of a condominium manager was implemented. The system manages information for more than 50 condominiums, including their respective owners and tenants. The entire administrative system for expense recording, billing, communication, event management, human resources, accounting, etc., is included in the system, considering the different variations that may occur for each condominium. The project began in 2021 and continued to evolve until 2024.
Fuel Wholesale Ordering System
Petromax
Petromax is a Paraguayan fuel sales company. This system allows wholesale buyers to place their orders and track them until delivery. In the middle of this, the system connects via API with a SAP system, with which it synchronizes certain information related to logistics, finances, order status and permits.
Mall Mobile App
Paseo La Galería
It's a mobile application for El Paseo La Galería, the most important shopping mall in Paraguay. Through it, you can access stores, promotions, and events. Additionally, users can upload photos of receipts from purchases made at the mall to redeem them for coupons for draws. There is an electronic coupon system that allows the purchase of vouchers and their subsequent redemption in stores. It's an application downloaded and used by tens of thousands of people.
Food delivery App
GU
It is a web system and mobile application focused on food delivery orders. It includes a web-based control system for restaurants and branches, with specific access for each branch, a logistics system for delivery, and the mobile application for the end user.
Mobile App
Football Game
It is a mobile application where each user can try to guess the outcome of their favorite football team's matches, and in some way compete against other users who also tried to guess the outcome of the same match. It has an API connection to a service that provides real-time information on different matches. It is practically integrated into all leagues around the world. All of this is achieved through many asynchronous tasks that run with Horizon.
Vehicle Alarm Monitoring and Ticketing System
Skycop
It is a system that receives alarms from various electronic devices installed in vehicles. Some of these alarms report repeated signals at a significant rate, requiring filtering to occur. However, this filtering may not necessarily happen in parallel, leading to specific loads at certain times. This challenge was addressed by implementing caching, parallelizing tasks with criteria to avoid duplications, and improving database performance. Finally, these filtered alarms are passed to a ticketing system, which has also been developed.
Wholesale Marketing Control System
Poscontrol
It's a web and mobile platform focused on measuring the performance of marketing actions at point of sale. Each store can configure templates to measure specific actions, which are then recorded from the mobile application, and finally evaluated collectively according to configured criteria.