Engineered a scalable, low-latency REST API capable of securely syncing millions of notes across devices in real-time.
The Problem
The client's existing backend struggled to sync data reliably when users went offline and reconnected, causing data conflicts and data loss.
Our Approach
We completely redesigned the backend architecture, implementing a robust conflict resolution algorithm and migrating to a highly scalable Node.js/PostgreSQL stack.
Measurable Results
Zero
Data Loss
<50ms
Sync Latency
10M+
Notes Synced
Tech Stack
Node.js
PostgreSQL
Redis
Docker
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