Flutter Developer for PhonePe Integration

I'm looking for a skilled Flutter developer to integrate the PhonePe payment gateway (SDK 3.0) into our existing laundry app.

Key Requirements:
- Integrate PhonePe for order payments and plan purchases
- Work with our existing app codebase
- Ensure seamless and secure transaction processing

Ideal Skills and Experience:
- Proficiency in Flutter development
- Experience with PhonePe SDK integration
- Strong background in payment gateway integrations
- Knowledge of secure coding practices and transaction handling

Please provide examples of similar work done and your approach to this integration.