Joomla Framework Upgrade

I need a skilled Joomla developer to upgrade my website’s Joomla framework from version 3.6.5 to the latest version. The main task for this project is to ensure a seamless transition and continued functionality of the site after the upgrade… (Budget: ₹1500 – ₹12500 INR, Jobs: CSS, HTML, Joomla, PHP, Website Design)