Boobit Crypto Trading App
Chunxiao Technology · Jan 2022 – Dec 2022
Role: Sole Android Developer
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Android cryptocurrency trading app supporting real-time market data, token search, exchange, and recharge flows. WebSocket real-time feeds, encrypted local storage, MVVM + Clean Architecture. Banking-style reliability for sensitive financial actions.
5+ core features delivered, real-time WebSocket market data, production Android client
Problem
Users need a secure and responsive mobile cryptocurrency trading experience with real-time market data.
Solution
MVVM + Clean Architecture Android app: WebSocket for real-time market feeds, encrypted local storage for wallet data, clear trading workflow UI with robust error handling and retries.
Architecture
Presentation (UI + ViewModels) → Domain (Use Cases) → Data (Repositories + API + Room DB) → WebSocket feeds
Key Highlights
- ▸Implemented real-time market feed via WebSocket channels
- ▸Developed secure wallet data handling with encrypted local storage
- ▸Designed clear trading workflow UI to reduce operation complexity
- ▸Integrated recharge and exchange APIs with robust error handling
Tech Stack
What I Learned
Fintech apps need banking-style reliability for sensitive financial actions; encrypted local storage is non-negotiable; real-time WebSocket feeds require careful reconnection handling.