Wholesale trade between distributors and retailers still runs on phone calls and paper: orders get lost, prices stay opaque, and neither side has a record of what was agreed. H-Phsar (ផ្សារ — 'market' in Khmer) digitizes that relationship into one platform both sides can trust.
Solution
A Spring Boot marketplace API connecting distributors and retailers through catalogs, carts, controlled order transitions, and real-time notifications.
My contribution
Separated role-specific APIs over one shared relational model
Enforced every order transition through an explicit state machine
Engineering focus
Authentication · Order workflow · Data modeling · Real-time notifications
