Hello there!!
I have gone through your post and I believe I am a good candidate for this job as all of the skills mentioned here belong to my strong zones particularly Ruby.
I am a professional freelancer having over 4 years of experience in dealing with almost all kind of websites and application whether it belongs to small or a large scale.
My skill set includes: Ruby, ROR, Its tools, Mysql, PHP, HTML5, CSS3, javascript, jquery, JSON,Bootstrap, effective schemas for SEO.
Looking forward to hearing back from your for detailed discussion over the project.
Thanks!!
Jitendra