I take product from concept to the App Store, and to scale.

Position: Senior iOS Engineer (Swift, SwiftUI, Clean Architecture) Stack: Swift, SwiftUI, iOS, Clean Architecture, MVVM, VIPER, XCTest, Snapshot Testing Project: OLX, Brazil's largest classifieds marketplace (around 60 million users), maintained by multiple parallel teams. Reputation / Trust & Safety squad. Native iOS development for security, privacy, and trust features: • Delivered the in-app Security Center and LGPD data-takeout flows, giving users control over their own data. • Won OLX Hackday with an in-app reputation survey I proposed and shipped end to end (migrated from VIPER to MVVM to cut coupling). • Found that satisfied users rarely completed the survey because it was mistimed. Retriggering it after successful flows raised response rates and insight quality, contributing to an 88% improvement in perceived security in internal reports. • Raised the Account module's unit and snapshot test coverage from 65% to 87%, making evolution safer in a multi-team codebase. • Acted as a technical reference for the squad, reviewing more pull requests than I authored. Results: stronger trust and safety on a 60-million-user marketplace, with safer releases in a large multi-team codebase.

Position: Senior iOS Engineer (Swift, modular architecture) Stack: Swift, iOS, Modular Architecture, Automated Testing (unit and integration), CI/CD Project: a shared mobile ecosystem where features are built as independent modules and reused across multiple products and teams. Native iOS development focused on modularization and reuse: • Designed and delivered 4 reusable Swift modules for signup and profile editing, adopted by 23 teams and products, removing duplicated work and speeding up feature delivery. • Established modular architecture patterns that became a shared standard, improving long-term maintainability across a large, distributed engineering organization. • Set up and maintained an automated test suite (unit and integration) and collaborated on the CI/CD pipelines. • Mentored 8 developers and reviewed code to ensure consistency and quality. Results: less duplicated work and faster delivery at scale, with 4 iOS modules reused by 23 teams.