All Services Programming & Development Back End Developer $30/hr · Starting at $250 Junior Back End Developer with experience in Ruby on Rails, PostgreSQL, Node.js, MongoDB, and Mongoose. About $30/hr · Ongoing Download Resume Junior Back End Developer with experience in Ruby on Rails, PostgreSQL, Node.js, MongoDB, and Mongoose. Skills & Expertise DeveloperMongoDBNode.jsPostgreSQLRuby on Rails 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts Node.js DevelopersjQuery DevelopersMongoDB DevelopersJavaScript DevelopersPostgreSQL DevelopersHTML DevelopersCSS DevelopersRuby on Rails Developers