Hybrid Web2/Web3 Transaction Monitoring Platform

We are seeking a proficient blockchain developer to enhance our existing MERN stack banking application with advanced transaction monitoring capabilities by integrating blockchain technology. The primary objective is to establish an immutable transaction ledger for our forthcoming e-commerce platform. Key tasks include adding blockchain functionality for recording all financial transactions, ensuring dual storage with MongoDB and blockchain, developing smart contracts for validation, modifying Express.js APIs for seamless interaction, and providing comprehensive documentation on the blockchain architecture and maintenance guide. Your expertise will be crucial in ensuring data integrity and maintaining backward compatibility while enhancing our system's overall functionality.