Park On Time

Context

Park On Time helps drivers find and reserve a parking space before they arrive, which means the availability shown on the map has to reflect reality at the moment the driver looks at it.

The challenge

Availability changes constantly and comes from several sources, so the system needed to absorb bursts of updates without blocking the search API or showing drivers a space that has just been taken.

What I built

• Built the Angular front end for search, map results, and the reservation flow, designed mobile-first for drivers already on the road.
• Developed the NestJS services behind search, availability, and bookings on top of MongoDB.
• Used RabbitMQ to decouple availability ingestion from the read path, so bursts of updates never slow down search.
• Containerised the services and deployed them on Kubernetes with health checks and horizontal scaling for peak hours.
• Kept the search response payload small so map results render quickly on mobile connections.