Alejandra Gil Calderon

Led mobile development on multiple projects using Kotlin/Compose (Android) and Swift (iOS), with Dart/Flutter and JavaScript/React Native as needed; implemented REST and GraphQL APIs; migrated to Apollo; implemented CI/CD with Bitrise; mentored junior/mid-level developers; drove design consistency and performance.

Led end-to-end mobile development across Android and iOS; optimized UX with Lottie animations, boosting in-app engagement; architected modular native apps using MVP, MVVM, and Clean Architecture; integrated REST APIs with Retrofit/OkHttp; contributed to GraphQL migrations with Apollo; streamlined release processes with Git, GitHub, Jira, and Bitrise CI/CD; mentored junior developers; integrated Braze for in-app messaging and Stripe for payments; increased test coverage with JUnit and native UI tests.

Drove mobile development across Android (Kotlin/Jetpack Compose) and iOS (Swift/SwiftUI), with Flutter and React Native as needed; implemented MVP/MVVM patterns and Clean Architecture; established REST/GraphQL layers (Retrofit/OkHttp, Apollo); led UI/UX collaboration via Figma; mentored peers; improved delivery with CI/CD and offline-first data syncing.