MD Shazzadur R.

Full-Stack & Mobile Developer (Android • iOS) | 🛍️ Shopify App Expert | ⚛️ MERN Stack | ⚙️Cloud Architect | Python FastAP | 🔄 AWS • DevOps I’m a Full-Stack Web & Mobile Developer, Shopify Plus Expert with hands-on experience building scalable web apps, Android • iOS apps, custom Shopify apps, and eCommerce solutions from idea to production. I help businesses launch fast, secure, and maintainable applications—from Shopify apps and REST APIs to complete SaaS platforms. 🧰 Core Expertise 🛍️ Shopify App Development: Public & private Shopify apps Shopify Plus customizations 💳 Billing APIs, subscriptions & license validation Admin & storefront integrations ⚙️ Backend Development: Node.js (Express, NestJS) Laravel (REST APIs, SaaS backends, Admin Panels) 🔐 Authentication, roles & permissions 🔗 Third-party API integrations ⚛️ Frontend Development: React.js (modern, responsive UI) 📊 Admin dashboards & customer portals ⚡ Performance-optimized UX 🛒 eCommerce & CMS: Shopify, WordPress, WooCommerce 🎨 Custom themes & plugin/app integrations 🔁 Subscription & digital product systems ☁️ DevOps & Deployment: DigitalOcean droplet setup 🛡️ Server security & performance optimization 🔄 CI/CD pipelines (GitHub Actions) 🚀 Production & staging deployments 💡 Why Clients Choose Me: ✅ Clean, maintainable code ✅ Clear communication & fast response ✅ Strong problem-solving mindset ✅ Long-term, scalable solutions (not quick hacks) ✅ Experience handling live stores & paid users I’m comfortable working on: 📈 Long-term SaaS & subscription platforms 🛍️ Shopify app development & scaling 🧪 Fixing complex backend, licensing & renewal issues 🚀 New builds from idea → launch 📩 Let’s discuss your project: I’m happy to review your requirements and help you move forward with confidence.