SwiftCart Multi-vendor E-Commerce Platform
SwiftCart India
The problem
SwiftCart wanted to launch a multi-vendor marketplace in 90 days but lacked technical resources. The platform needed to handle high traffic, complex vendor payouts, and multiple payment gateways from day one.
Key challenges
Building a scalable architecture that handles flash sales with 10,000+ concurrent users, implementing real-time inventory across 500 vendors, automated multi-gateway payment routing, and a sub-100ms product search experience.
Our solution
We built a microservices-inspired architecture using Next.js for SSR/SSG, a Node.js API layer, MongoDB for flexible product catalogues, and Redis for caching. Elasticsearch powered the search. Stripe Connect managed vendor payouts.
Technology used
Next.js 14, Node.js 20, MongoDB Atlas, Redis Cloud, Elasticsearch, Stripe Connect, AWS CloudFront, S3, Lambda for image processing
Implementation
Agile sprints: Sprint 1-2: Vendor onboarding, product catalogue. Sprint 3-4: Cart, checkout, payment. Sprint 5-6: Vendor dashboard, analytics. Sprint 7-8: Performance tuning, load testing, launch.
The outcome
Launched in 87 days, 500+ vendors onboarded in month 1, platform handles 10K concurrent users, ₹2Cr+ monthly GMV by month 3, 99.97% uptime.
At a glance
Stack
Results
500+ active vendors, ₹2Cr+ monthly GMV, 99.9% uptime, 40% increase in repeat purchases through loyalty programme.
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