Contact person: Urgent Node.js UPI Deposit Fix

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Location: Agra, India

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"My QR/UPI deposit flow has suddenly started throwing a “Server error 404” and the payment never completes. Nothing has been altered on either the app or the Firebase backend, so I need a clean, one-time patch that gets deposits working again immediately.

The stack is simple: Node.js for the business logic and Firebase for data storage and cloud functions. If you know these tools well, the fix should be straightforward—locate the 404 trigger, patch the route or function, and confirm that a test transaction reflects in the user’s balance without errors.

Deliverable
• Updated code (or clear patch notes) that eliminates the 404 and lets a QR/UPI payment process end-to-end.
• Quick walkthrough of what was changed so I can maintain it.

This is an urgent task with a single milestone; I’ve earmarked ₹500 for the fix and will release it as soon as the deposit flow works flawlessly on my side. If you can jump on a call or screen share and close this out today, send a message and let’s get it done." (client-provided description)