Senior Magento 2 Developer – 2.4.9 Upgrade, Security and Speed

We're a UK online retailer running Magento 2 Open Source on an older 2.4 release. We need a senior Magento developer to stabilise and secure the store, upgrade it to Magento 2.4.9 and make it faster, then stay with us for ongoing work. WHAT WE NEED • Upgrade to Magento 2.4.9, including PHP, the database and the move to OpenSearch, with extensions updated or removed as needed • Fix current issues (indexing and caching) and apply security patches • Faster pages and better Core Web Vitals • Work through Git and a staging site. We test functionality and speed before anything goes live. OUR SETUP Custom theme built on Magento Blank, with Amasty, Mageplaza, Klarna (Kustom) Checkout and M2E marketplace extensions. M2E's own team updates their modules. The store runs on a dedicated Linux server behind Cloudflare, looked after by our server admin. HOW WE WORK Hourly contract, with time tracked in the Upwork Work Diary (no manual time) and a weekly hours limit. Developers based in the UK or EEA are preferred, as the work involves our customers' data. TO APPLY • Links to your latest completed Magento 2 projects, ideally upgrades or speed work, and what you did on each • Your hourly rate, weekly availability and time zone