Partify — Multi-Vendor Event Venue & Private Vendor Marketplace
Atomic Calendar Concurrency & Sub-600ms Search Across 1,200+ Event Venues
Architected a high-concurrency two-sided marketplace connecting event venues, caterers, and planners with atomic calendar locking, escrow milestone payouts, and sub-second geospatial search.
The Architectural Challenge
Event venues and vendors faced severe double-booking collisions during peak wedding and corporate seasons. The platform's original database suffered from slow radius search queries and lack of transactional locking during concurrent checkout sessions.
Core Bottlenecks Identified During Technical Audit:
The Engineering Solution
Engineered an event-driven marketplace architecture with PostgreSQL advisory locks and Redis Redlock distributed synchronization. Replaced legacy database search with Meilisearch geospatial indexing, and integrated escrow milestone payouts with automated WhatsApp notifications.
Redis Redlock Distributed Locking
Implemented atomic distributed locks on venue date slots during checkout, ensuring concurrent booking attempts fail gracefully without database corruption.
Meilisearch Geospatial Indexing
Offloaded distance, capacity, and amenity filtering to Meilisearch, dropping search latency from 3.5s to 32ms.
Architecture Highlights & Deliverables:
Core Web Vitals & Telemetry Audit
Technology Stack
"Double-bookings used to be our biggest nightmare. TripleW designed a distributed atomic locking architecture that completely eliminated the problem while making our search 10x faster."
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