Developed and deployed a native Android SDK serving tens of millions of users across Latin America, and built a native–Flutter bridge plugin for a flagship app with over 15 million users, enabling seamless Dart–Android integration for performance-critical workflows. Designed and implemented a reusable Jetpack Compose permission popup—encapsulated in a builder pattern—which reduced SDK integration complexity and accelerated adoption across all partner apps, improving developer experience and cutting integration time by up to 30%. Developed a geofencing-based notification system that caches push messages and activates them when users enter predefined zones, increasing contextual relevance and driving higher user engagement. Engineered a custom WebView tracking framework to capture precise user time-on-screen metrics, equipping marketing teams with actionable insights to refine campaign targeting and improve overall performance. Implemented end-to-end event tracking for push notifications, logging delivery, open, and click metrics to optimize notification workflows and boost user response rates.

Led development of the flagship mobile app for the country's largest financial institution, delivering robust features with Java, Kotlin, and MVP architecture. Designed and implemented a Kotlin-based "Score" system to automate client credit classifications, slashing user processing time from 1 hour to 5 minutes and dramatically improving operational efficiency and customer satisfaction. Refactored 40% of the legacy Java codebase into Kotlin, introducing modern architectural patterns and best practices that reduced technical debt and enhanced maintainability. Managed end-to-end production deployments—both nationwide rollouts and Google Play releases—for multiple applications, authoring deployment documentation in line with store guidelines and ensuring consistent release quality.

Principal developer at Regxi for Innotest, a major Spanish project with four app variants (flavors) in a single codebase, achieving over +300,000 downloads on Google Play. Developed the main Android UI using Kotlin and MVVM, ensuring a consistent user experience across all variants. Led the development of a Flutter-based betting platform for U.S. college football, contributing to a key product in the sports sector.