Alex H.

Dual Flutter apps: Attendee (event discovery + QR-wallet ticketing) + Organizer (listings, tiers, real-time validation). Node.js mobile backend + external Laravel CMS for synchronized inventory/analytics. Key Responsibilities & Achievements: Architected Node.js ↔ Laravel/MySQL sync layer for real-time ticket availability Led Flutter dev with Clean Arch + BLoC: 95% iOS/Android code reuse Designed secure workflows: ticket purchase → QR generation → venue validation Optimized REST APIs: 30% faster app startup, 50% quicker event lists Technical lead: planning, task decomposition, code reviews Built reusable multi-theme UI kit + EasyLocalizations module Native features: Lottie animations + real-time QR scanning Full lifecycle: analysis → TestFlight/Google Play deployment Tech Stack: Flutter/Dart, Node.js, Laravel/MySQL, BLoC, Clean Arch, REST/JSON, Lottie, AutoRoute/GetIt, Firebase Crashlytics, Figma, Jira, Xcode/Android Studio

Mobile app with personalized learning paths, interactive lessons, quizzes, speech practice, progress tracking, real-time pronunciation/grammar feedback, and push notifications. Key Responsibilities & Achievements: Led full architectural redesign: Clean Architecture + BLoC migration for iOS/Android scalability Engineered complex speech recognition module for interactive pronunciation practice + real-time feedback Built robust A/B testing framework for data-driven feature rollouts and UX improvements Refactored core modules into reusable components, eliminating code duplication Implemented comprehensive LTR/RTL localization system for global accessibility Integrated secure in-app subscription purchases for both App Store/Google Play Enhanced engagement with custom + Lottie animations for interactive learning Mentored juniors via detailed code reviews + accurate requirement estimation Tech Stack: Flutter/Dart, BLoC, Clean Arch, speech_to_text, Dio, GetIt/AutoRoute, Firebase

Comprehensive finance app supporting multi-bank accounts, cryptocurrencies, currencies with secure operations across iOS/Android. Key Responsibilities & Achievements: Designed multi-layered Clean Architecture (BLoC) for secure financial data management Engineered core business logic: multi-currency transfers, crypto transactions, OAuth/2FA Developed primary Dio network provider for secure/efficient financial API communication Managed full release cycle: builds, metadata, App Store/Google Play deployment Led cross-team code reviews enforcing security/performance standards Converted complex Figma designs to pixel-perfect responsive UI Implemented Firebase analytics for comprehensive user behavior tracking Served as technical liaison leading demos, clarifying requirements for dev/QA/stakeholders Tech Stack: Flutter/Dart, BLoC, RxDart, Dio/REST, GetIt, Firebase (Analytics/Crashlytics), Clean Architecture, Kotlin/Java/Swift, Bitbucket, Xcode/Android Studio, Jira/Scrum