Need changes on ionic app and node apis

I just buy below project to launch vendor services app - [login to view URL] The application is bug free and their team assist me to launch the apps and setup admin. Now, I need to have below features in this app - Multi-lingual Payment Gateway - CCAvenue ( this app has stripe payment gateway inbuilt ) I can give this work to app supplier, but now I want to setup the team of my application. So below are the qualification needed - angular, node, mongodb, ionic Also, if you want to purchase this product from official ionic store at your own collection, then I have got refferal coupon code of 10% discount, so you can use this - VIDCLAPI0 NOTE : This is one time use only so first come first serve can use Please only bid if you can work with me fulltime and in IST. I will pay fix 70K INR per month, and appraisal after 6 months Thanks