Senior Mobile App Developer

Responsibilities

• Design and develop iOS/Android architecture for a new mobile service based on KRAFTON ID (KID)
• Implement authentication integration and user profile/game data synchronization
• Design structures to integrate multiple service modules into a single app
• Establish architecture for transitioning from Hybrid (WebView) to pure Native apps
• Manage client-side data and implement UI/UX for personalized content
• Design backend API integration and app state management architecture
• Build and operate CI/CD pipelines and manage App Store/Google Play deployments

Requirements

• 7+ years of mobile app development experience
• Experience designing, developing, and launching cross-platform apps using React Native or Flutter
• Proven track record of leading an app from zero-base to store launch
• Experience with WebView-based Hybrid apps and Native-WebView bridge communication
• Experience with RESTful API integration and state management patterns
• Experience with authentication systems such as OAuth
• Experience with App Store and Google Play deployment and review processes
• Strong communication skills and experience collaborating with PMs and backend engineers

Preferred Qualifications

• Android Native (Kotlin/Jetpack Compose) development experience
• iOS Native (Swift/SwiftUI) development experience
• Experience developing/operating large-scale B2C apps or global services
• Experience with game-related mobile apps or gamer community services
• Experience integrating multiple external modules (Super App, Mini App)
• Experience with mobile marketing technologies (Push Notification, Deep Link, Dynamic Link)
• Experience building CI/CD pipelines (Fastlane, Bitrise, etc.)
• Experience with app performance optimization and monitoring (Crashlytics, Firebase Analytics)
• Experience with Kotlin Multiplatform (KMP)
• Experience utilizing AI/LLM services

About the Company

KRAFTON is a global gaming company that pioneers the path to players' dreams through bold imagination and breakthrough technology, creating unforgettable worlds for fans across the globe.