Senior Mobile Developer | iOS & React Native
Transforming ideas into powerful mobile experiences for 10+ yearsRecently interested in AI Agents

Seeking global opportunities (Japan preferred)

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React Native2024
Skindrug Encyclopedia
Medical Dermatological Encyclopedia App

Developed cross-platform encyclopedia using Expo for iOS & Android. Implemented offline-first architecture with SQLite and CouchDB synchronization.

Languages

JavaScript

Technologies

ExpoEAS ExpoExpo config pluginsReact NavigationReact NativeSQLiteCouchDBPouchDBZustandRestyle
Next Project ↓
React Native2021-2024
Holy Owly Mobile Apps
Educational Kids Learning Apps (Languages & Math)

Developed React Native features and updated versions. Ported applications to Expo, created Unity native modules for on-demand assets and voice recognition, migrated to monorepo architecture.

Languages

TypeScriptSwiftKotlinObjective-CCC#

Technologies

React NativeExpoUnityNxEAS ExpoExpo config pluginsExpo ModulesNative ModulesZustandReact NavigationReanimatedRiveLottieiOS App ClipsPurchaselyFirebase FirestoreFirebase AuthFirebase StorageFirebase FunctionsStripeNext.jsCustomer.io
Next Project ↓
iOS2018-2021
Baby Sittor
Baby-Sitting Service Mobile App

Built iOS app with Clean Architecture and RxSwift. Integrated Stripe 3DS payments, integrated Kotlin Multiplatform shared framework with Android developer.

Languages

SwiftKotlin

Technologies

UIKitRealmRxSwiftSwinjectXCTestAlamofireIGListKitSPMCorberturaStripeKotlin Multiplatform
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iOS2017
Quantaflow
Business Intelligence Dashboard App

Developed iPhone app with advanced data visualization features. Designed multi-timezone cache system for complex business rule management.

Languages

Swift

Technologies

UIKitCoreDataChartsAlamofire
Next Project ↓
iOS2017
Fuzzie
Social Shopping Platform App

Designed and developed wish list module with focus on reusability. Optimized performance by refactoring views and implementing modular storyboard architecture.

Languages

Swift

Technologies

UIKitStoryboardsPerformance Optimization
Next Project ↓
iOS2016
Chanel Virtual Try-On
Luxury Brand Interactive Experience App

Created iPad virtual nail polish try-on using AVFoundation. Built JavaScript/Swift bridge for seamless web-native communication.

Languages

SwiftJavaScript

Technologies

UIKitAVFoundationJavaScript Bridge
Next Project ↓
Cross-Platform2015-2016
Calvi On The Rocks Festival
Music Festival Companion Apps

Built native iOS and Android festival apps. Developed JavaScript bridge for mini-games and implemented offline content caching with CoreData and GreenDAO.

Languages

Objective-CJavaJavaScript

Technologies

UIKitAndroid SDKCoreDataGreenDAOJavaScript Bridge
Next Project ↓
Android2015
Placio Android Wear
Smart Parking Wearable App

Developed Android Wear application for parking duration tracking and payment calculations. Integrated with Placio IoT ecosystem for seamless parking management.

Languages

Java

Technologies

Android WearWearable UIReal-time DataPayment Integration
Next Project ↓
Android2015
Placio Android
IoT Smart Parking Mobile App

Implemented Bluetooth Low Energy framework for connected parking device communication. Built WebSocket integration for real-time monitoring and data synchronization.

Languages

Java

Technologies

Android SDKBluetooth Low EnergyWebSocketIoT Communication
Next Project ↓
iOS2014
Junior Exchange iOS
Location-Based Social Matching App

Built Tinder-like social application with advanced geospatial query system. Implemented REST API integration for real-time location matching and swipe-based user interface.

Languages

Objective-C

Technologies

UIKitCore LocationREST API
Next Project ↓
iOS2014
Hermès Interactive Showcase
Luxury Product Catalog App

Developed interactive iPad showcase for Hermès product portfolio. Implemented advanced multi-touch gestures and fluid CoreAnimation for premium user experience.

Languages

Objective-C

Technologies

UIKitCoreAnimationAVFoundation
Next Project ↓
iOS2013-2014
Capturee
Audio Recognition & Detection App

Built Shazam-like application for high-frequency sound detection in music files. Implemented Fast Fourier Transform algorithms for precise audio pattern recognition and analysis.

Languages

Objective-CC++

Technologies

UIKitCore AudioFast Fourier TransformSignal Processing
Next Project ↓
iOS2009
JapanFM
Webradio Streaming Platform App

Created hybrid radio application using NimbleKit for iOS2. Integrated SAM Broadcaster API for live webradio streaming and music dedication features.

Languages

JavaScript

Technologies

NimbleKitSAM Broadcaster APIREST API
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