Hi,
I have checked your requirements and I can create a web app to remove the insightly link from the contacts. I don't know ruby on rails, but i can do it in php. pls let me know if it is ok for you.
Pls PM me to discuss further details.
I have 4 years of front-end devlopment using HTML, CSS, JS, jQuery, Bootstrap and AngualarJS. I am proficient programmer in asp.net and php also. I can assure you that I will provide quality work in given time period without any issues. The final code will be delivered with comments and documentation.
Looking forward to work with you,
Kasi