// build_guide
// How to build B2B Office Supplies Marketplace for Indian SMEs
This stack handles B2B complexity like bulk pricing tiers and GST compliance while staying cost-effective. PostgreSQL manages complex product catalogs and credit terms, while Razorpay supports Indian B2B payment flows including credit options.
Complexity 7/10E-Commerce
// recommended_stack
FrontendReact.js with TypeScript
BackendNode.js with Express
DatabasePostgreSQL
AuthNextAuth.js with role-based access
HostingVercel + Railway
ExtraRazorpay for payments
ExtraPDF generation for GST invoices
ExtraRedis for bulk pricing cache
// cost_and_timeline
USD min
$6,000
USD max
$12,000
INR min
₹5.0L
INR max
₹10.0L
Typical E-Commerce projects cost $3,500–$9,500 USD and take 8–12 weeks with an Indian dev team. See the full cost guide →
// timeline_breakdown
1 weekDiscovery & Design
6 weeksCore Development
2 weeksGST & Payment Integration
1 weekTesting & Deployment
// mvp_features[]
## What to build in the MVP
-Multi-role authentication (buyers, suppliers, admin)
-Product catalog with bulk pricing tiers
-Shopping cart with quantity-based pricing
-Razorpay payment integration with credit options
-GST-compliant invoice generation
-Basic order management system
-Admin dashboard for product and order management
-Simple credit limit tracking per buyer
// risk_flags[]
## Engineering risks to plan for
!GST compliance complexity may extend timeline
!B2B credit terms require careful financial logic
!Bulk pricing calculations can be performance-intensive
!Early budget may be insufficient for full B2B feature set
✦ Get a scope tailored to your idea
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// related_resources