I've gone through your job details.
I am a full stack Ruby on Rails developer, my experience of working on real projects is about 3+ years. I have well experience with all the mention skills in your job details. I can do this job for you and will provide you a best quality code work from my end.
I have effectively planned, designed, developed and deployed a wide range of very successful RoR web applications for loads of happy clients.
* Experience of working on Ruby projects and various web application frameworks built over Ruby.
* HAML, SASS , AngularJs, CoffeeScript, JavaScript, TypeScript Etc
* Strong understanding of Meta-Programming aspects in Ruby
* Strong Experience in working with third party API's (Bitcoin, Multichain, Hyperledger etc..)
* Strong experience in integrating with various popular APIs and 3rd party services, like Payment Gateways, Facebook, Google, Twitter, MailChimp
* OO design skills, JavaScript, HTML/CSS experience, MySQL,PostgreSQL Redis, MongoDB and other data stores
* Confident to develop web services with Bootstrap, HTML5, CSS3, and Javascript
* Strong in Performance-tuning and Scaling RoR applications
* A complete understanding of GIT, Heroku
* Startup mentality, high willingness to learn and hardworking.
* Comfortable with and proactive for Agile development
* Ec2, Heroku, Digital Ocean, Aws etc