Dastgyr
B2B e-commerce platform for seamless wholesale trading
#problem
Dastgyr is a B2B e-commerce platform for wholesale trading that connects SMEs, retailers, and suppliers across emerging markets. It addresses the fragmentation of wholesale procurement by giving buyers and suppliers a single marketplace for catalogs, ordering, and fulfillment. The system is engineered to scale with growing supplier and retailer participation.
#what-i-built
I designed and built the Nest.js backend that powers the B2B marketplace, including the APIs for catalog, ordering, and supplier-retailer workflows.
I developed the web application on the MERN stack, implementing the React front end and the Node.js service layer against MongoDB.
I architected the platform for scale to support a growing base of SMEs, retailers, and suppliers across multiple markets.
I deployed and operated the system on AWS, owning the cloud infrastructure and the CI/CD pipeline from environment provisioning through release.
I owned the engineering end to end, from API and data modeling through the front end and cloud delivery.
#stack
#outcome
Production B2B wholesale marketplace live at dastgyr.com: full-stack system supporting SMEs, retailers, and suppliers across emerging markets.
#key-decisions
Chose Nest.js over plain Express to enforce domain separation across supplier, buyer, and catalog services as the marketplace scaled in complexity.
Used MongoDB for the product catalog to accommodate flexible, supplier-defined attributes without schema migrations per product category or market.
Designed the data model for multi-market scale from day one: supporting multiple regions, currencies, and supplier taxonomies without per-market code forks.
Deployed on AWS with environment-isolated configurations to support separate staging and production supply chains without cross-environment data contamination.
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