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Build Magento 2 admin grids using UI Component listing XML, data providers, and admin controllers with proper ACL integration

Implement Magento 2 GraphQL resolvers — define schema.graphqls types, write query and mutation resolvers, and handle authorization

Run Magento 2 CLI commands through Warden's Docker environment: warden shell, bin/magento, composer, Redis/Valkey, Varnish, OpenSearch, RabbitMQ, n98-magerun2, mutagen sync, and env lifecycle.

Adapt Luma-oriented Magento 2 modules to work with Hyva themes — replace RequireJS and Knockout with Alpine.js, Tailwind CSS, and ViewModels

Configure Magento 2 dependency injection — preferences, virtual types, constructor arguments, and proxy generation via di.xml

Implement Magento 2 plugins (interceptors) following best practices for before, after, and around method interception

Create a new Magento 2 module with the required directory structure, registration files, composer autoloading, and module sequence declarations

Implement declarative schema (db_schema.xml), data patches, and schema patches for Magento 2 database structure and data migrations

Profile, diagnose, and optimize Magento 2 performance — caching strategies, database query analysis, APM tools (New Relic, Blackfire), and frontend performance auditing

Magento 2 structured code review workflow with Fix-First mode, confidence scoring, covering DI, security, performance, frontend, API, caching, and database domains. Run before every merge.

Follow Magento 2 coding standards — service contracts, strict types, PHPCS rules, repository pattern, and extension attribute conventions

Write PHPUnit-based unit tests for Magento 2 — setUp with mocks, assertion patterns, data providers, and exception testing without framework bootstrap

Plan and execute Magento 2 upgrades with UCT analysis, dependency waves, compatibility fixes, and verification gates