Custom Android Bitcoin Mining App

I need a developer to create a personal Bitcoin cloud mining dashboard app on Android.

Requirements:
- Real-time mining progress display at the top (BTC earnings incrementally increasing)
- Traditional, modern design with dark theme
- Clean dashboard with:
- Current hashrate (~20,000 TH/s)
- Total mined BTC
- Daily/weekly/monthly stats
- Available balance
- Secure login (email + password) and safe storage of private API keys
- API connection to my cloud mining backend (access already provided)
- Start/Stop/Resume mining tasks functionality
- Optional dynamic and engaging mining animation effects

Ideal Skills & Experience:
- Android app development expertise
- Experience with API integration
- Strong UI/UX design skills, especially for traditional modern themes
- Background in cryptocurrency applications

Please provide estimated timeline and cost.