Work/Ecomm Stack
Case Study

EcommStack

Role
Full-stack engineer
Timeline
2025
Type
Headless commerce architecture
Stack
Next.jsMedusaStripePostgreSQLTailwind
Replica Model - Case study details belowReplica Model Only

By The Room

Powered by Medusa and Next.js

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Live -
Variant selection
Checkout flow
Payment handoff
Overview

A production-style commerce stack with modern checkout workflows

Ecomm Stack combines a Next.js storefront with a Medusa backend to model realistic product, cart, and order lifecycles.

The project focuses on operationally useful commerce behavior including variant handling, cart persistence, shipping steps, and payment integration.

4-step
Checkout progression from address to review
Headless
Storefront and commerce backend separation
Stripe
Payment provider integration
Problem

Commerce builds need realistic end-to-end behavior

Simple catalog demos often skip critical transaction paths like variant inventory, shipping selection, and payment handling.

"A commerce app is only as strong as its checkout reliability and data consistency."

The goal was to build a practical architecture where core shopping interactions are represented as real flows instead of static pages.

Design

Designed around dynamic bundle systems

The main design challenge was creating dynamic bundle product images that don't rely on manual updates.

The solution was a composable image system where admins can upload product images and specify areas for those variants to sit within the bundle image, setting up templates to map that to the final image

Engineering

Server-rendered storefront with commerce workflows

The architecture uses Next.js App Router and Medusa APIs to separate presentation from domain operations such as cart mutation and order finalization.

Nx
Next.js
Storefront and routing
Md
Medusa
Commerce engine
St
Stripe
Payment processing
PG
PostgreSQL
Transactional storage
TW
Tailwind
Storefront styling
WF
Workflow modules
Order lifecycle handling
Lessons

Project learnings

Ecomm Stack improved how I design full purchase funnels where frontend usability and backend consistency must align.

01
Headless separation is powerful when contracts are clean. A strict boundary between storefront and commerce logic made iteration faster and reduced coupling between teams and concerns.
02
Dynamic bundles are a tricky but rewarding problem space. Building a flexible image composition system was complex but made it possible to support real-world product configurations without manual image updates.