Expert

Front-End Developer — Expert

Advanced theming, complex UI component patterns, front-end performance optimization, PWA Studio concepts, accessibility compliance, and cross-browser compatibility at enterprise scale.

60 Questions
120 Minutes
10 Sections

Exam Topics & Objectives

1

Advanced Theme Architecture

Theme inheritance chains & complex fallback
Custom theme modules & Composer-based distribution
Theme configuration overrides at store view level
2

Advanced Layout System

Complex layout handle combinations & generation
Custom containers, reference blocks & advanced moves
Layout XML debugging & processing optimization
Layout XML Deep Dive
3

Advanced JavaScript Patterns

Custom UI component creation & lifecycle
Complex RequireJS configurations & mixins
Widget system, registry & deferred initialization
4

KnockoutJS & UI Components

Custom bindings, extenders & template engines
Observable patterns & subscription management
Component communication & shared scope
5

Advanced CSS/LESS

Custom UI Library components & overrides
Complex responsive patterns & breakpoint management
Critical CSS extraction & above-the-fold optimization
6

Front-End Performance

Core Web Vitals optimization (LCP, CLS, FID)
JavaScript bundling strategies & lazy loading
Image optimization, responsive images & next-gen formats
Full Page Cache
7

PWA & Headless Concepts

PWA Studio architecture & Venia storefront
GraphQL for storefront data fetching
Service workers & offline capabilities
GraphQL Resolvers
8

Checkout & Payment UI

Checkout UI component customization
Custom payment form rendering & PCI compliance
Shipping method UI & multi-step checkout flows
Checkout Module
9

Accessibility & Internationalization

WCAG 2.1 AA compliance in Magento themes
RTL layout support & bidirectional text
Advanced translation patterns & locale switching
10

Testing & Quality

JavaScript unit testing with Jasmine/Jest
Visual regression testing strategies
Cross-browser compatibility testing & polyfills
Testing Strategies
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