Hi, First my best wishes for the site to be coming good and successful for your Education start up :)
I love to work in Ruby on Rails related project. I have good 3+ years working experience in Rails.
I have seen the mentioned website "Rayku" and attached document, i understood it. I can help you to redo all mentioned work flow in doc. Also Do you need the front-end design also to be change ?
Please get back to me with your kind reply, I am ready to start the work immediately :)
To know about my experiences, services, portfolio and client reviews, please check
https://www.freelancer.com/u/psenthilkumar.html
Also, have a look on our website for your reference
codingmart ( DOT ) c o m
If you are interested in our profile, lets do this job together :) Looking forward for your quick reply.
Thanks,
Senthil