SolarSathi
B2B solar vendor discovery and procurement marketplace for the Indian market.
Overview
SolarSathi was built to solve a fragmented procurement problem in the Indian solar energy sector. Buyers needed a single platform to discover verified vendors, request quotes, and compare offerings — all in one place.
The platform handles multi-vendor listings, quote request workflows, and vendor profile management. It serves both B2B buyers and solar equipment suppliers across India, with AWS-hosted infrastructure for scale.
What Was Built
- →Multi-vendor product listing and search
- →Quote request workflow (buyer to vendor)
- →Vendor profile and verification pages
- →Admin panel for listing management
- →PostgreSQL database with optimized search queries
- →AWS EC2 + RDS deployment pipeline
The Challenge
Building a procurement workflow that handles asynchronous quote requests between buyers and multiple vendors, with email notifications and status tracking — without overcomplicating the MVP.
The Solution
A simple state machine (requested → reviewed → quoted → accepted) drives the quote workflow. Each state transition triggers an email notification. The first version shipped with this lean flow before adding real-time features.
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