Arbitrage Sports Betting App Development

I'm looking for a skilled developer to create an arbitrage sports betting app for the web. The app should fetch odds from multiple betting sites and notify me of profitable arbitrage opportunities.

Key Requirements:
- Sports Coverage: Football, Basketball, Tennis
- Data Sources: Bet365, Pinnacle, Betfair, Leonbet, Parimatch, 1xbet, 4rabet, Mostbet
- Features:
- Fetch and compare odds from specified sites
- Identify and alert on arbitrage opportunities
- Provide details on profit percentages

Ideal Skills and Experience:
- Experience in building web-based apps
- Familiarity with sports betting and arbitrage concepts
- Proficient in data scraping and processing
- Strong programming skills, preferably in Python, JavaScript, or similar languages
- Ability to create user-friendly interfaces and reliable notification systems

Please include examples of similar work done in your bid. Looking forward to your proposals!