Nazmul Hawlader
Shopify Architecture, Technical Guides & E-Commerce Engineering

Deep Dives into Shopify Architecture, Modern Web Dev & Performance.

Welcome to NazmulCodes by Nazmul Hawlader. A publication dedicated to actionable engineering guides, Online Store 2.0 theme architecture, Shopify app workflows, and sub-second Core Web Vitals optimization.

Production-Tested Insights — Real-world architecture breakdowns from published apps & stores
Modern Theme Engineering — In-depth Liquid schemas, headless patterns, and zero bloat
Performance Optimization — Actionable case studies on achieving <1.1s LCP & 100 Lighthouse scores
Nazmul Hawlader — Senior Shopify & Full-Stack Engineer
Shopify Partner Verified
33+ Case Studies & Apps Shipped
5.0
33+Case Studies & Apps ShippedAcross US, EU, UK & Canada
4+Published Shopify AppsLive on official Shopify App Store
95+Average Lighthouse Score0.000 CLS & Sub-second LCP
6+ YrsShopify & Full-Stack ExpertiseLiquid, React, Node, Python
Engineering Publications & Knowledge

Featured Articles & Technical Guides

Deep dives into Shopify architecture, custom embedded apps, sub-second performance, and real-world system design.

Performance & Web Vitals9 min read

Building Kilo: Architectural Deep-Dive into 100% Client-Side Media Compression & Shopify GraphQL Sync

An architectural deep-dive into building Kilo (kilo.nazmulcodes.org): a zero-server browser compression engine using OffscreenCanvas and WebAssembly, paired with Shopify GraphQL Admin API to compress store media without external cloud processing costs.

#Kilo#Stockly#Image Compression
Sep 16, 2026Read Guide
Founder Journey13 min read

My Story: From Self-Taught Developer in Bangladesh to Official Shopify App Founder & Top-Rated Freelancer

An exhaustive, behind-the-scenes breakdown of how I started with curiosity in Bangladesh, mastered full-stack Shopify engineering, delivered 33+ international enterprise projects on Upwork, and launched published products like Stockly and Kilo.

#My Story#Shopify App Store#Freelancing
Sep 15, 2026Read Guide
Shopify & E-Commerce16 min read

Building Official Shopify Apps: Production Architecture with Remix, Polaris & GraphQL

The complete, production-grade architectural guide to building, monetizing, and scaling embedded Shopify applications using Remix, App Bridge v4, Polaris React, and the GraphQL Admin API.

#Shopify#Remix#GraphQL
Sep 14, 2026Read Guide
Freelancing & Career10 min read

How I Built a Top-Rated Freelance Career on Upwork from Bangladesh

The authentic playbook for breaking into global tech consulting: writing winning proposals, avoiding bidding wars, and building long-term client relationships.

#Upwork#Freelancing#Remote Work
Sep 13, 2026Read Guide
Shopify & E-Commerce15 min read

The Zero Page Builder Philosophy: How to Build 100/100 Speed Shopify Themes with Native Liquid

Why visual drag-and-drop page builders destroy e-commerce conversion rates, and how to engineer modular, merchant-customizable Online Store 2.0 storefronts that achieve sub-second load times and 95+ mobile Lighthouse scores.

#Shopify#Liquid#Web Performance
Sep 12, 2026Read Guide
Performance & Web Vitals11 min read

How I Achieve 95+ Mobile Lighthouse Scores on Heavy E-Commerce Stores

A comprehensive, step-by-step masterclass on transforming sluggish 30-score online stores into sub-second, 95+ mobile Lighthouse powerhouses.

#Web Performance#Core Web Vitals#Lighthouse
Sep 11, 2026Read Guide
Explore All Technical Guides
Topical Architecture

Explore by Engineering Discipline

Structured publications, benchmarks, and production patterns categorized by core technological domain.

Shopify & Liquid Internals

Deep dives into Storefront APIs, native theme architecture, section rendering, and custom headless checkouts.

Liquid PerformanceStorefront GraphQLTheme App ExtensionsCart Attributes

Performance & Web Vitals

Engineering sub-second store experiences, sub-layout hydration, and resolving INP & LCP bottlenecks.

INP OptimizationAsset Lazy HydrationLCP StrategyImage Pipeline

React, Remix & Polaris Apps

Architecting official Shopify embedded applications with App Bridge, session tokens, and enterprise-grade UI.

Remix ArchitectureShopify App BridgePolaris UI/UXWebhook Handlers

Full-Stack & Resilient APIs

Robust server-side pipelines, Redis caching layers, background queues, and secure third-party integrations.

GraphQL MutationsRedis QueuesPostgreSQL OptimizationAuth Security
Engineering Publication Dispatch

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