Flex
An AI-powered workout tracker and personal trainer that adapts training, tracks progress, and keeps gym routines moving forward.
View projectPortfolio · Manila, Philippines
Michael Angelo Reyes
Senior Mobile Developer
I’m a senior mobile developer with 12+ years of experience turning complex requirements into polished, production-ready Android, iOS, and Flutter apps.
I work end to end, from architecture and offline-first data to performance, testing, analytics, and store delivery.
My work spans aviation, transport, fitness, streaming, finance, food delivery, loyalty, and field operations.
Experience
12+ years
Core stack
Kotlin · Swift · Flutter
Senior Mobile Engineer
12+Years building mobile
18Products across industries
03Mobile ecosystems
End-to-endArchitecture to release
Selected work · 2016—now
Products, not just screens.
Tap a project to explore my role, the product context, and interface details.
HydraBuddy
An all-in-one field operations tool helping Hydraulink technicians manage bookings, safety, jobs, parts, and invoicing.
View project
My Money Tracker
A multilingual finance companion designed to make tracking income, expenses, and debts approachable for communities in Cambodia and the Philippines.
View project
Qantas
Mobile travel experiences for Australia’s leading airline.
View project
TripGo
Multimodal trip planning that connects every part of a journey.
View project
More shipped work
13 productsCapabilities
Built to ship. Built to last.
A practical toolkit for reliable mobile products, from the first architectural decision to release day and beyond.
Native mobile
Kotlin, Java, Swift, Jetpack Compose, UIKit, Android SDK, Core Data, Room, Coroutines, and Rx.
Cross-platform
Flutter and Dart, reusable interface systems, Provider, Riverpod, Firebase, and coordinated Android/iOS releases.
Architecture & data
MVVM, MVP, Clean Architecture, Dagger/Hilt, REST, GraphQL, offline-first caching, SQL, and MongoDB.
Quality & delivery
JUnit, Mockito, MockK, Kotest, Robolectric, GitHub Actions, analytics, crash monitoring, and performance tuning.
KotlinSwiftFlutterComposeUIKitFirebaseGraphQLClean Architecture
Have a product in mind?