Entio LLC is in need of a Core Developer Responsibilities: Write back-end code in Ruby and JavaScript. Extend existing open-source projects and contribute back to the community. Use TDD to write rock-solid, beautiful code. Provide beautiful and fast code that will fundamentally shape the direction of an exciting new product. Rapidly fix bugs and solve problems. Qualifications and Desired Skills: Thorough knowledge of Ruby on Rails. Proficiency with UNIX commands. Knowledge of relational databases Experience building and scaling user-focused web applications. Previous start-up experience preferred. For complete details go to http://entio.mytribehr.com/careers/view/1