Developed and evolved advanced native Android features for a large-scale sports media application, delivering product improvements across personalization, onboarding, install referrer, navigation, in-app review, and short-form video experiences. Built responsive Android user interfaces using Jetpack Compose and XML-based components, contributing to theme evolution, dark mode support, and scalable UI improvements across a modular codebase. Implemented maintainable Android architecture using MVVM, Clean Architecture, use cases, repository interfaces, and lifecycle-aware state handling to improve scalability, testability, and long-term code health. Integrated mobile features with backend services and third-party SDKs using REST APIs, JSON-based payloads, GraphQL, Firebase, analytics, and caching strategies. Improved app quality, responsiveness, and release stability through refactoring, bug fixing, test coverage expansion, release-oriented engineering work, and code reviews in a high-traffic production environment. Built native Android features using Kotlin, Jetpack Compose, MVVM, and lifecycle-aware state handling, with strong focus on responsiveness, reliability, and user experience during critical matchday journeys. Worked closely with Product and UX to define and ship features in a live, high-engagement product environment. Supported CI/CD releases, rapid issue investigation, and day-to-day engineering quality through code reviews and production-focused improvements.

Contributed to Android platform development for a global B2B commerce ecosystem, supporting shared services used across multiple mobile applications. Built and maintained Android features related to forms, deep links, registration, and order-related flows, collaborating with multiple teams to improve reuse and delivery consistency. Contributed with feature development, refactoring, API integration, and maintenance in a service-oriented architecture using Kotlin and CI/CD workflows.

Helped launch a native Android version of Globo Esporte, replacing a React Native experience with a native application aligned with the team's architecture and delivery process. Worked on core mobile experiences including feed, stories, schedule, and live/watch features in a consumer product used at scale. Contributed to development practices for a newly formed mobile team, helping improve delivery routines and technical consistency. Improved architecture, UI quality, notifications, user feedback collection, and experimentation in one of Brazil's leading news applications. Contributed to refactoring, code quality improvements, and unit testing to support long-term maintainability, release confidence, and product health. Collaborated with engineers and Product Owners on technical decisions aimed at improving project health and sustaining a high-quality mobile experience at scale.

Developed and maintained native Android features for a digital banking product focused on critical user flows, performance, and reliability. Helped build and evolve products such as Neon and Neon PJ, including payment-related flows and business account capabilities. Contributed to refactoring a payments module involving barcode reading, payment-type identification, and due-date handling. Worked in a microservices environment with API integrations, supporting continuous product improvement and operational stability.

Developed the Android app for a peer-to-peer car-sharing platform from early product stages to production features. Implemented flows such as car registration, driver license capture, payment integration, booking lists, and mapping. Worked in a microservices environment with REST APIs and event-driven integrations.

Developed Android features for Dafiti App and related retail apps, supporting products with more than 3 million downloads. Contributed to other brands in the ecosystem, including Dafiti LatAm, Tricae, and Kanui. Worked on Fashion Tracking, a logistics-support mobile product aimed at improving shipping processes. Monitored bugs and product issues, supported metrics-driven improvements, and partnered with QA to maintain release quality.

Built automated scripts to support QA and development workflows across e-commerce and mobile initiatives. Supported regression testing and evidence generation for positive and negative business scenarios. Helped kick off mobile automation efforts for iOS and Android. Mentored new interns on the team.

Executed tests for web platforms, reported defects, and created test cases for new features. Supported regression testing and early automated test routines.