The Challenge
Building a marketplace is complex enough. Building one that spans two programming languages, integrates AI-powered search, and handles real-time chat between buyers and sellers? That requires careful architectural planning.
The Architecture
Mela Market runs on an Nx monorepo with three main applications: a NestJS API backend handling authentication, listings, and payments via Chapa; a Next.js frontend with server-side rendering and Tailwind CSS; and a Python/FastAPI microservice powering semantic search using PostgreSQL pgvector embeddings and PostGIS geo-queries.
Full article coming soon.