Senior Mobile App Developer (React Native / Flutter)

GenixBit Labs Pvt. Ltd.; Singapore; Hybrid; SGD 110,000 - 150,000; Full time

Job summary

GenixBit Labs Pvt. Ltd. in Singapore is seeking a Senior Mobile Engineer to build high-performance cross-platform iOS and Android apps using React Native or Flutter.

You will implement smooth 60fps gesture animations, offline storage, and push notification pipelines, contributing to an app with strong UX and reliability. The role requires 4+ years of mobile development with React Native or Flutter, a track record of published apps, and solid understanding of state management, native bridge

Qualifications

• 4+ years mobile app development experience with React Native or Flutter.
• Solid track record of published mobile applications in App Store / Play Store.
• Deep understanding of mobile state management, native bridge calls, and push notifications.
• Strong UI/UX design sensibility for iOS Human Interface Guidelines and Material 3.

Responsibilities

• Develop feature-rich React Native or Flutter mobile apps for iOS and Android.
• Integrate native iOS (Swift) and Android (Kotlin) modules when needed.
• Optimize app startup time, memory consumption, and frame rates.
• Manage App Store & Google Play deployment builds and OTA update channels.

Skills

React Native

Flutter

TypeScript

Swift

Kotlin

Firebase

Tools

Firebase

Job description

Full-time Singapore Singapore Hybrid Senior $110,000 - $150,000 SGD / year Posted: Oct 22, 2026 · Closes: Nov 11, 2026

About the Role

Build high-performance cross-platform iOS and Android mobile applications. Implement smooth 60fps gesture animations, offline storage, and push notification pipelines.

Key Responsibilities

• Develop feature-rich React Native or Flutter mobile apps for iOS and Android
• Integrate native iOS (Swift) and Android (Kotlin) modules when needed
• Optimize app startup time, memory consumption, and frame rates
• Manage App Store & Google Play deployment builds and OTA update channels

Requirements

• 4+ years mobile app development experience with React Native or Flutter
• Solid track record of published mobile applications in App Store / Play Store
• Deep understanding of mobile state management, native bridge calls, and push notifications
• Strong UI/UX design sensibility for iOS Human Interface Guidelines and Material 3

React Native Flutter TypeScript Swift Kotlin Firebase