Hello,
Yes, I will certainly convert your system from Magento 1.7.x to Magento 2.1.5. Please could you share more details?
I have done similar task before as per my client need. I am Magento Expert. I am proficient in migrating Magento website, Extension/Component Development, 3rd Party Gateway/App/Plugin/Script Integration, HTML/HTML5, CSS/CSS3, JavaScript, jQuery, AJAX, Bootstrap, PHP, MySQL.
Please do message so that I can show you my previous similar work.
Thanks & Regards,
Brijesh N, Magento Expert