Magento 2 Upgrade from 2.4.x to Latest Stable Version

Review the current Magento setup, extensions, theme, and custom modules Prepare an upgrade plan before making changes Upgrade Magento 2 to the target version Update Composer dependencies Fix PHP compatibility issues Fix deprecated code in custom modules if needed Resolve dependency injection, compilation, and setup upgrade errors Test frontend, admin panel, checkout, catalog, search, customer account, and payment flow Check third-party extensions for compatibility Run Magento commands such as setup upgrade, DI compile, static content deploy, cache flush, and indexer reindex Fix any issues after deployment Provide a short technical report with completed work and remaining recommendations Required Skills Strong Magento 2 / Adobe Commerce experience Solid PHP and Composer knowledge Experience upgrading Magento 2 production stores Knowledge of custom modules, DI, plugins, observers, cron, indexers, React, React Native, Bash, Varnish, RabbitMQ, JavaScript, Redis, Nginx and themes Experience with MySQL/MariaDB, Redis, Elasticsearch/OpenSearch or Meilisearch Ability to debug logs and resolve upgrade conflicts Git experience DevOps experience is a plus Deliverables Magento successfully upgraded Store working correctly after upgrade Admin panel working correctly Checkout and payment flow tested All critical errors fixed Custom modules compatible with the upgraded version Deployment notes and technical summary provided Important Notes