Hello
Greetings!!
I have just scrolled through your job post and analysed that you are looking for Upgrade magento 2.1.9 to latest version and resolve conflicts.
I have complete expertise in Magento, Html5/css3, Javascript, Jquery, ajax, Wordpress(CMS), Bootstrap, PSD to Html, landing page etc.
Looking forward to hear from you soon.
Best Regards,
Ravi