Pantry — E-Commerce Platform
A full-featured online grocery store
Next.js 16TypeScriptMongoDBTailwind CSSMUIStripeCloudinaryJWT
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Md Mahin Hasan
Available for freelance
Full-Stack Developer & Shopify Expert specializing in crafting high-performance web applications and custom Shopify stores. Proficient in React, Next.js, Node.js, and Shopify's ecosystem — from Liquid themes to custom apps. Focused on speed, conversions, and seamless user experiences.
3+
Years
50+
Projects
<24h
Response
Featured Work
Recent projects I've built
Educo — Education Portfolio
Modern education portal with dark/light mode
ReactViteTailwind CSSContext APIReact Scroll
Before/After Image Comparison
Interactive product comparison section
ShopifyLiquidJavaScriptCSS
AVA AI — Advanced Developer Copilot
A local, high-performance terminal copilot for developers
PythonRichprompt_toolkitrequeststiktokenddgs
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“I had the pleasure of working with Mahin on several Shopify development projects. He is patient, talented, and always willing to learn. What I appreciate most is his ability to understand complex requirements quickly and find practical solutions. He is a fast learner, reliable team member, and consistently delivers quality work. I enjoyed working with him and would gladly recommend him to others.”
Project Manager, Shopishark
What I Do
Actually good Shopify work — no stock themes
Shopify Theme Development
Custom OS 2.0 themes that load fast and don't break after updates
- Liquid & JSON templates
- Mobile-first
- 92+ PageSpeed
Headless Hydrogen
React storefronts on Oxygen — faster than Liquid, trickier to set up
- Hydrogen v2
- Custom checkout
- Edge rendering
Shopify Apps & Automation
Private apps for stuff Shopify doesn't do out of the box
- Node.js API
- Webhooks
- PostgreSQL
Skills
Technologies I work with
Shopify Core
- Liquid
- OS 2.0
- Hydrogen
- Storefront API
Frontend
- React
- Next.js
- Tailwind
- TypeScript
Backend
- Node.js
- MongoDB
- PostgreSQL
- AI Agents
Tech Universe
Technologies I work with — Drag to explore skills universe
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My Career & Experience
Where I've been building
2026
Learning Shopify Apps
Building custom Shopify apps with GraphQL, PostgreSQL, Prisma, Docker, and Golang
2025
Joined Shopishark
Working on Liquid theme development and advanced DOM manipulation
2024
MERN Stack
Building full-stack applications with Next.js and TypeScript
2023
Advanced Frontend
Deep dive into React and Python for web development
2022
Foundations
Learning HTML, CSS, JS, Bootstrap, and Tailwind
Latest Thoughts
What I've been writing about
ShopifyLiquid
How I built a Shopify section that loads in 0.3s
A deep dive into building blazing-fast Shopify Liquid sections without bloating your theme.
ShopifyHydrogen
Hydrogen vs Liquid — my experience
An honest comparison between traditional Liquid themes and headless Hydrogen from a full-stack developer's lens.
ShopifyPerformance
Fixing slow Shopify stores in Bangladesh
Overcoming local latency, heavy tracking scripts, and network limitations for Bangladeshi buyers.