Adobe Commerce Developer Expert study guide
Adobe Commerce Developer Expert · Work through your exam, one topic at a time.
The Adobe Commerce Developer Expert credential is an Adobe certification aimed at experienced back-end developers who build and customize Adobe Commerce (formerly Magento) storefronts and integrations. It is intended for practitioners who already work confidently with PHP, module structure, and the platform's extension points, and who want a vendor-recognized signal of senior-level competence rather than an entry-level badge. The exam blueprint is organized into four domains of equal weight: Adobe Commerce architecture and customization; Commerce development covering PHP, modules, dependency injection, and plugins; database, EAV, and data modeling; and performance, caching, and deployment/configuration. That spread means candidates are tested across the whole delivery lifecycle, not just feature coding. The Adobe Commerce Developer Expert study guide has 4 sections and about 1,224 words.
01Adobe Commerce Architecture and Customization
Adobe Commerce is a layered PHP application: the framework (Magento ) provides object management, configuration, events, and caching; modules (Magento\ and app/code) supply business features; themes and layouts handle presentation. A candidate must know the module anatomy: registration.php, etc/module.xml (with setup version and sequence), etc/di.xml, etc/frontend adminhtml webapi routes, and Setup/Patch classes.
315 words, about 2 min02Commerce Development: PHP, Modules, Dependency Injection, Plugins
Magento's object manager builds classes from di.xml. Understand constructor injection versus the discouraged ObjectManager::getInstance().
313 words, about 2 min03Database, EAV, and Data Modeling
Commerce uses flat tables for transactional data (quote, order, sales) and EAV for entities with variable attributes (products, customers, categories). EAV has entity, attribute, and value tables (catalog product entity varchar, int, decimal, text, datetime).
287 words, about 1 min04Performance, Caching, and Deployment/Configuration
Commerce has multiple cache types (config, layout, block html, collections, full page, reflection, db ddl). Full page cache (FPC) is handled by built-in or Varnish; know that Varnish sits in front and requires a configured backend host.
309 words, about 2 min