Hello.
What kind of shopify app do you wanna get?
I have full experience with Ruby for 5 years.
So no any risk for what you are planning.
Please contact with me to discuss more details and avoid to waste your time and unnecessary.
Waiting your message.
Thank you.
Hi, I am Expert Shopify App Developer with 5 Years of Professional Experience..
I can Build your Shopify Application for App Store As per Your Exact Requirements So contact with me and Let's Start the work..
Thanks and Regards
Softcoats