Case StudyFull-StackJan 2026

GMT Mart Storefront

GMT Mart Grocery & Retail Platform

A high-performance e-commerce platform built for GMT MART. Features a stunning Antigravity neon design, a blazing fast Next.js storefront, a secure Firebase Cloud Functions Express.js API backend, and a Supabase PostgreSQL database.

Live Demo

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Key Highlights

Next.js 16 · Supabase · Firebase SDK · Tailwind CSS v4

Stunning 'Antigravity' neon design with full dark-mode responsiveness
Firebase Cloud Functions Express API serving as a middleware backend
Supabase DB schemas for categories, products, store reviews, and orders
Integrated analytics using PostHog client/node SDKs

Tech Stack & Tools Used

React

Next.js

Tailwind CSS v4

Supabase

Firebase

Zustand

PostHog

01. Problem

Create a unified grocery store that can handle fast product catalog queries, real-time reviews, and persistent state for user carts.

02. Design

Implemented a dark-mode cyberpunk interface with green/cyan accents and Swiper.js image sliders.

03. Build

Wrote Supabase SQL schemas for relational data, connected it to Next.js 16 and Tailwind CSS v4, and integrated Firebase Auth for admin dashboards.

04. Outcome

Successfully deployed the live storefront on Vercel and configured the backend using Firebase hosting + functions.

Outcome

Built a modern e-commerce platform with real-time stock management, custom-designed banners, and persistent Zustand-based cart management.

Demonstrates end-to-end software execution, clean UI polish, and practical problem solving.

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