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Flutter Front-End Developer
Job summary
A leading tech company in Singapore is seeking a Flutter Front-End Developer to build a multi-user voice chat app. This role requires expertise in Flutter and WebRTC, focusing on delivering cross-platform functionalities for iOS and Android. Candidates should have at least 2 years of experience in Flutter development and familiarity with real-time communication technologies. Competitive salary and benefits offered.
Qualifications
- 2+ years of experience in Flutter development.
- Deep understanding of Flutter framework principles.
- Experience with audio/video development and SDK integration.
- Proficient with Platform Channels and native plugins development.
- Familiar with socket programming using WebSocket.
Responsibilities
- Develop the Flutter client for a multi-user voice chat app.
- Implement complex voice room UIs and real-time state synchronization.
- Optimize app performance for low CPU and memory usage.
- Collaborate with backend developers on interactive features.
Skills
Tools
Flutter Front-End Developer – Multi-User Voice Chat App
- Develop the Flutter client for a multi-user voice chat app, delivering cross‑platform features for iOS and Android.
- Implement complex voice room UIs, including mic management, real‑time state synchronization, and visual effects.
- Integrate WebRTC SDK to handle audio stream capture, encoding, and transmission.
- Optimize app performance to ensure a smooth in‑room experience with low CPU and memory usage.
- Implement instant messaging (IM) features such as in‑room text chat, bullet comments, and system messages.
- Collaborate with backend developers to deliver interactive features like gift animations, level displays, and user interactions.
- 2+ years of experience in Flutter development, proficient in Dart language.
- Deep understanding of Flutter framework principles, including Widget tree, rendering process, and state management (Provider / Riverpod / GetX).
- Experience with audio/video development and integration of SDKs like WebRTC, Agora, or Tencent Cloud TRTC.
- Proficient with Platform Channels and capable of writing native plugins for audio‑related functionalities.
- Familiar with socket programming and real‑time communication using WebSocket or Socket.io.
- Strong coding standards, with familiarity in Flutter performance optimization and memory management.
State Management: Riverpod 2.0+ or Bloc
Local Storage: Hive or sqflite
Audio/Video SDK: Agora Flutter SDK or WebRTC
Instant Messaging: RongCloud / EaseMob Flutter SDK or custom WebSocket solution
- Experience in developing live streaming, voice chat room, or video conferencing apps.
- Knowledge of audio processing techniques such as noise reduction, echo cancellation, and 3D spatial sound effects.
- Skilled in creating advanced animations (Lottie, Rive, or custom animation development).
- Participation in social apps with over 100K daily active users.
- Experience in native iOS/Android development.
* The salary benchmark is based on the target salaries of market leaders in their relevant sectors. It is intended to serve as a guide to help Premium Members assess open positions and to help in salary negotiations. The salary benchmark is not provided directly by the company, which could be significantly higher or lower.