WordPress Upgrade (v3.4 → Latest 6.x) for Simple Corporate Website

We are looking for an experienced WordPress developer to upgrade an existing corporate website from WordPress 3.4 to the latest stable WordPress 6.x release. The website is currently offline, so there is no requirement to maintain production uptime during the upgrade. The site consists of approximately 10 pages and includes a standard contact form. There is no e-commerce, membership, booking system, or complex functionality. Scope of Work The successful freelancer will be responsible for: - Perform a full cPanel backup (website files and MySQL database) before making any changes. - Upgrade WordPress core from version 3.4 to the latest stable release. - Update the active theme and all required plugins. - Troubleshoot and resolve compatibility issues caused by the upgrade. - Fix any PHP errors, deprecated functions, or layout issues resulting from the migration. - Verify that all pages display correctly. - Test website functionality on desktop and mobile browsers. - Verify that the contact form and website navigation function correctly. - Deploy the upgraded website once testing has been completed. Requirements Please apply only if you have: - Extensive experience upgrading legacy WordPress websites. - Strong knowledge of PHP and WordPress compatibility issues. - Experience troubleshooting custom themes and older plugins. - Ability to diagnose and repair issues caused by major version upgrades. - Excellent communication throughout the project. Please include the following in your proposal - How many similar WordPress upgrade projects have you completed? - What is your approach when upgrading legacy WordPress websites? - Your estimated timeline. - Your fixed-price quotation. Additional Information - cPanel access will be provided. - The website is a simple corporate website with approximately 10 pages. - Preference will be given to freelancers who have successfully upgraded legacy WordPress websites. To confirm that you have read this job description, please begin your proposal with the words "Legacy WP Upgrade".