I have worked as singular developer/qa/pm in one person and like a team member with in big projects with 15 developers.
I know thorough how to start, develop and launch web sites. Everything you mentioned above I have been using more than 4 years: - I designed and developed DB using Postgre, MySQL, Redis,Orient DB - Ruby, Node.js and Java - these last used languages in e-Commerce and collaborative web sites
I am a conscientious person who works hard and pays attention to detail. I'm flexible, quick to pick up new skills and eager to learn from others. I also have lots of ideas and enthusiasm.