mtahir.
back to shopify portfolio// secondary focus

I also build full-stack web apps with the MERN stack.

My primary focus is Shopify — but I have a deep React / Node.js / MongoDB background and occasionally take on full-stack contracts. Below is a snapshot of that side of the work.

// what i build

Full-stack web apps

End-to-end MERN features for SaaS, dashboards, and internal tools.

02 / fullstack

Full-stack web apps

React · Node.js · Express · MongoDB

End-to-end MERN features: authenticated dashboards, REST APIs, and integrations — shipped on Vercel or Render.

  • Custom dashboards and admin panels
  • REST API design with JWT auth
  • MongoDB modeling with Mongoose
  • TypeScript + Tailwind for the UI layer
ReactNode.jsExpressMongoDBTypeScriptTailwind
// engineering work

Selected full-stack projects

Side projects and product builds showing the engineering side of my work.

SnapTools screenshot
case / 01live ↗

SnapTools

Full-stack build · 28 client-side tools

Solo build · 2026

Multi-tool web app with 28 PDF, image, and developer tools — every tool runs entirely in the browser, files never leave the user's device. Built end-to-end on Next.js 14 with lazy-loaded engines per tool.

28 in-browser tools shipped100% client-side processingStatic-first SEO architecture
Next.js 14TypeScriptTailwindpdf-libClient-sideMDX blog
Visit SnapTools
private build · in progress

Agentic Catalog MCP

Live demo not public yet — happy to walk through the build privately.

case / 02

Agentic Catalog MCP

Founding build · MCP + Shopify + Claude

Solo build · 2026

Shopify-meets-AI SaaS: scores merchant catalogs for AI readiness, enriches product data with Claude, and exposes a per-store MCP endpoint so ChatGPT and Claude can search, cart, and check out from the store.

12-point catalog audit enginePer-tenant MCP endpointAI-driven product enrichment
Next.js 16PrismaSupabaseClerkAnthropic SDKMCPLemon Squeezy
// stack

What I work with

A reference card. Languages, frameworks, and tools I reach for on a typical day.

Frontend

08
  • HTML5
  • CSS3
  • JavaScript (ES6+)
  • TypeScript
  • Tailwind CSS
  • SCSS
  • Responsive Design
  • Figma to Code

Full-Stack

07
  • React.js
  • Next.js
  • Node.js
  • Express.js
  • MongoDB
  • REST APIs
  • JWT Auth

Performance & SEO

06
  • Core Web Vitals
  • Lighthouse 90+
  • Critical CSS
  • Lazy Loading
  • Schema Markup
  • On-Page SEO

Tools

07
  • Git
  • GitHub
  • VS Code
  • Figma
  • Postman
  • Vercel
  • Netlify

Languages

04
  • JavaScript
  • TypeScript
  • Python
  • C++