Cross Platform Mobile App - API Integration and Issue Resolution

I'm looking for an experienced developer to integrate APIs from NSE MF2 and resolve several existing issues.

Key Tasks:
- Integrate SIP, eKYC, and eMandate APIs
- Fix current issues with SIP integration (transaction failures) and eKYC process
- Address data retrieval and authentication problems (incomplete data retrieval and OTP not sent)
- Implement user login via mobile/email OTP for easy signup
- Create a "My Funds" page with a withdraw button for users with existing investments. Withdrawals should be OTP-confirmed using Aadhar number, per NSE rules.
- Ensure the app is fully functional with no broken links

Ideal Skills:
- Strong experience with API integration
- Familiarity with NSE MF2 and financial APIs
- Proficient in resolving authentication and data retrieval issues
- Knowledge of secure OTP implementation and Aadhar integration
- Ability to deliver a bug-free, user-friendly application

Please refer to the detailed requirements in the provided Google Doc link.