CASE STUDY
ROYLUX — PREMIUM E-COMMERCE WEBSITE
RoyLux is a modern, premium fashion e-commerce website engineered for luxury streetwear and winter essentials. Built with Next.js 16 App Router, React 19, TypeScript, and Firebase, RoyLux delivers an elegant shopping experience featuring curated product listings, interactive cart drawer, zone-based delivery fee calculations (Dhaka vs. Outside Dhaka), Cash on Delivery (COD) and online payment options, order placement management, and automated jsPDF invoice generation.
ROLE & CONTRIBUTION
Lead Full-Stack Web Developer & UI/UX Designer
YEAR & STATUS
2025–2026 • LIVE / ACTIVE
TECHNOLOGY STACK
ENGINEERING HIGHLIGHTS
Architectural decisions, features built, and commercial optimizations:
- ✓Modern and premium e-commerce interface with an editorial winter fashion aesthetic
- ✓Curated product listing and detailed product showcase pages (heavyweight fleece hoodies & varsity sweatshirts)
- ✓Dynamic product browsing and shopping experience with collection and category filtering
- ✓Interactive shopping cart drawer with real-time item counter, incrementation, and subtotal calculation
- ✓Comprehensive customer information and streamlined multi-step checkout workflow
- ✓Flexible payment methods: Cash on Delivery (COD) and Online Payment confirmation
- ✓Automated order placement, customer details recording, and order tracking
- ✓Downloadable branded PDF order receipts generated client-side via jsPDF engine
- ✓Fully responsive layout optimized for desktop viewports, tablets, and mobile devices
- ✓High performance sub-second page transitions powered by Next.js Turbopack
DELIVERABLES & OUTPUTS
THE CHALLENGE & PROBLEM
Fashion consumers in the lifestyle and streetwear sector expect an editorial, brand-first shopping aesthetic paired with lightning-fast navigation. Conventional e-commerce templates often suffer from visual bloat, slow page load speeds, and rigid checkout workflows that fail to handle localized payment preferences such as Cash on Delivery (COD) alongside automated receipt generation.
PROJECT GOALS & OBJECTIVES
Deliver a luxury digital storefront for RoyLux winter apparel; implement an intuitive cart drawer with real-time pricing; streamline customer checkout with dynamic regional shipping logic; provide Cash on Delivery and online payment readiness; and guarantee smooth responsive performance across all screen sizes.
STRATEGY & IMPLEMENTATION
Architected a custom full-stack web application using Next.js 16 App Router, React 19, and Tailwind CSS v4. Developed a component-driven structure decoupling product catalog browsing, reactive client-side cart persistence, and a multi-step checkout funnel with automated delivery fee calculations. Integrated Firebase Firestore for order capture and jsPDF for instant client-side receipt compilation.
DESIGN & USER EXPERIENCE
Designed with a warm minimal editorial palette (#fbfaf8 background, deep #121212 typography, and subtle gold accents). Utilized high-contrast lifestyle photography, generous whitespace, smooth hover zoom interactions, and mobile-first thumb ergonomics for effortless one-handed shopping.
DEVELOPMENT PROCESS
Initiated with brand lookbook wireframing and design token specification in Tailwind CSS v4. Developed reusable modular components for product grids, modal previews, and cart drawers. Implemented delivery zone fee calculation rules, connected Firebase for persistent order records, integrated jsPDF invoice downloads, and deployed to Vercel with edge caching.
CHALLENGES & SOLUTIONS
Handling dynamic delivery fee updates between Dhaka City and Outside Dhaka without jarring layout shifts or network delay. Solved by implementing client-side reactive address parsing that recalculates shipping thresholds and grand totals in real time before submitting the order payload to Firebase.
VERIFIED RESULTS & IMPACT
Live in production on Vercel (https://roylux-ecommerce.vercel.app/) with sub-second page load times, zero layout shift, seamless mobile cart interactions, and a conversion-oriented checkout experience supporting Cash on Delivery.
COMMERCIAL VALUE DELIVERED
Engineered with high performance metrics, zero-dependency Liquid sections, mobile-first checkout ergonomics, and high conversion copy.