Planetary scan
- Class
- Real-time bidding
- Discovered by
- Varun Kothari
- Role
- Full Stack Developer
- Period
- 2025 — Present
- Status
- In development
A real-time auction platform where bids propagate to every connected participant instantly over WebSockets, with user authentication, categorized listings, and dynamic location selection. Built and delivered iteratively as an independent freelance engagement.
Surface features
Feature 01Live bidding over WebSockets
Feature 02User authentication and categorized listings
Feature 03Dynamic location selection
Hazard detected · the hard part
Keeping bid state consistent for every connected client when simultaneous bids land within milliseconds of each other.
Composition · stack
- Node.js
- WebSockets
- REST APIs