Banking Sector S2S Off-Ledger Transfer Solution

I'm looking for a professional with extensive experience in the banking sector to develop a secure, off-ledger money transfer solution. The project should be built using the Python tech stack.

Key Requirements:
-To implement a secure S2S payment method for off-ledger fund transfers between banks using API-based integration
-Provide a payment gateway or similar service that specializes in API-based integration.
-Implement NON-KYC SWIFT MT103 manual download with SSTP/SFTP GPI support for S2S payment method.
- Ensure the system supports off-ledger funds monetization and transfer via banking server to banking server using IP system


Skills and Experience:
- In-depth knowledge of the banking sector
- Proficiency in Python/Django
- Strong background in cybersecurity measures, particularly Two-Factor Authentication and End-to-End Encryption
- Experience in developing secure money transfer solutions

MUST!
set up a sandbox for us with the following requirement

- Create a profile
- data entry form
- 2 Dummies account (banking) to see how transactions will go through
- activity/tracking log
- notifications for each step previously listed above

This project offers an excellent opportunity to demonstrate your skills in a high-stakes environment. Please provide proof of your relevant experience when bidding.

PLEASE AVOID CHAT GPT PROMPT TO PRETEND KNOWING THE SOLUTION