Marketplace Platform Scaled to 100K+ Monthly Orders

Problem

A resale marketplace outgrew its original stack—checkout failures spiked during peak traffic, inventory sync lagged, and the team couldn't ship features fast enough to compete.

Solution

Vanta rebuilt core commerce flows on a modern Next.js storefront, optimized checkout and inventory pipelines, and added automated listing enrichment to speed seller onboarding.

Outcome

The platform handled 100K+ monthly transactions with stable checkout performance and a faster feature release cadence for the growth team.

Workflow

• →Audit checkout, catalog, and fulfillment bottlenecks
• →Rebuild storefront with performance-first architecture
• →Implement real-time inventory and order sync
• →Add AI-assisted listing titles and categorization
• →Load-test and deploy with observability dashboards

Tech stack