During the period between January and today, I have added many changes to my resume that i want to make an employer noticed of. I doubt between 'have done' and 'had done'.
" I would like to inform you that some changes have been brought to my resume from the first time I had contacted you through your website(January 2014) "
Or
" I would like to inform you that some changes have been brought to my resume from the first time I have contacted through your website(January 2014)"
Please to help me resolve the problem i have with past usage once and for all, any link or doc is highly appreciated.