Muhammad Ehtesham Ayyaz
Front-End Developer | Shopify Developer | React.js | JavaScript (ES6+)
SUMMARY
Results-driven Front-End Developer and Shopify Developer with 2+ years of hands-on experience architecting
high-performance single-page applications (SPAs) using React.js, JavaScript (ES6+), Redux Toolkit, HTML5,
CSS3, Tailwind CSS, and RESTful APIs. Deep expertise in Shopify 2.0 Theme Customization using Liquid
templating, Online Store 2.0 (OS 2.0) architecture, Checkout Extensibility, and custom Metaobjects. Proven track
record delivering pixel-perfect, mobile-first, responsive user interfaces with measurable impact on conversion rate
optimization (CRO) and Core Web Vitals scores. Adept at cross-functional collaboration, version control with Git
and GitHub, and integrating third-party APIs, payment gateways, and Shopify App integrations at scale.
EXPERIENCE
Shopify Developer | Gadda-e-Mustafa | July 2023 – Present
• Architected and deployed fully customized Shopify 2.0 storefronts on the Dawn framework using advanced
Liquid templating, HTML5, CSS3, and SCSS, translating complex business requirements into scalable
e-commerce platforms with measurable improvements in page load speed and Core Web Vitals scores.
• Leveraged Shopify Winter 2026 Edition features including advanced Metaobjects and Checkout
Extensibility to build robust Business-to-Business (B2B) functionalities and personalized buyer experiences
that increased average order value.
• Built headless commerce solutions using Shopify Storefront API (GraphQL) to decouple front-end
presentation layers from the Shopify backend, enabling faster rendering and improved performance metrics.
• Engineered secure, high-availability integrations with third-party Shopify applications and payment
gateways including Stripe and PayPal, systematically resolving CORS anomalies and API rate-limiting
issues to maintain zero transaction downtime during peak traffic events.
• Implemented Shopify Search Engine Optimization (SEO) best practices — including structured data
markup, canonical tags, and sitemap optimization — improving organic search rankings across product and
collection pages.
• Delivered store speed optimization through asset minification, lazy loading, and critical CSS strategies,
achieving measurable reductions in Largest Contentful Paint (LCP) and Time to Interactive (TTI).
Front-End Web Developer | Enigmatix | May 2025 – Present
• Engineered dynamic, high-performance single-page applications (SPAs) using React.js, modern JavaScript
(ES6+), Redux Toolkit, HTML5, and CSS3, ensuring robust global state management and efficient data flow
across complex, feature-rich user interfaces.
• Built fully responsive, mobile-first user interfaces with Tailwind CSS and CSS Grid/Flexbox, achieving
pixel-perfect fidelity to Figma and design system specifications across all breakpoints and device sizes.
• Integrated sophisticated third-party RESTful APIs to connect React front-end components with backend
microservices, implementing secure asynchronous data fetching, error handling, and dynamic content
rendering.
• Collaborated in an Agile development environment using Git and GitHub for version control, code review,
and continuous integration workflows, maintaining clean, modular, and reusable component architecture.
• Optimized web application performance through React lazy loading, memoization (useMemo, useCallback),
code splitting, and bundle size reduction, resulting in improved Lighthouse performance scores.
EDUCATION
Bachelor of Science in Computer Science (B.S.C.S) | The Islamia University of Bahawalpur | December
2023 – Expected Graduation: 2027
Relevant Coursework: Data Structures and Algorithms, Advanced Web Development, Software Engineering Principles,
Relational Database Management Systems (RDBMS), Computer Networks.
SKILLS
Front-End Development: React.js, JavaScript (ES6+), HTML5, CSS3, Redux Toolkit, Tailwind CSS, Responsive
Design, Mobile-First Design
Shopify Development: Liquid Templating, Shopify 2.0, Online Store 2.0 (OS 2.0) Theme Customization, Dawn
Framework, Checkout Extensibility, Metaobjects
Headless Commerce: Shopify Storefront API, GraphQL, Decoupled Architecture
API and Integrations: RESTful APIs, Third-Party App Integrations, Stripe, PayPal, Payment Gateway
Configuration, API Rate-Limit Handling, CORS Troubleshooting
Performance and SEO: Search Engine Optimization (SEO), Core Web Vitals, Store Speed Optimization,
Lighthouse, Lazy Loading, Code Splitting, Asset Minification
Tools and Workflow: Git, GitHub, Version Control, Agile Development, Component-Based Architecture, Figma
Computer Science Fundamentals: Data Structures, Algorithm Design, Relational Database Management
Systems (RDBMS), Software Engineering Principles, Computer Networks
