Greetings!!!
Sure, can migrate both of the payment gateway from 1.9 to 2.1.x version as per your desire
Relevant Skills and Experience
-Expert in magento(1.x & 2.0), upgrade payment gateways,Api's integration ,php .
-Have a good knowledge of html,css,website/graphic designing,photoshop .
-Available for chat,voice,video calling .
Proposed Milestones
₹27777 INR - Tentative cost
=> Kindly share payment gateway details that you need to migrate from 1.9 to 2.1.x version ?