1) You are expected to have prior experience integrating Stripe and Ruby-on-Rails and is someone who can focus on the Stripe-associated subscription, invoicing, webhooks, etc. parts of building the application. <br><br>
2) You will need to do some re-writing of partially-built features. This includes everything from models, views, controllers, testing, services, etc. <br><br>
3) You should be able to communicate better ways to integrate Stripe based on your experience and pitch different ideas. <br><br>
4) You may need to developed custom invoices depending on the implementation of Stripe.