Hello, I'm David (28), working as kodnin and planning to move to Berlin, Germany. The past two years I wrote software as a backend developer using versatile technologies like Ruby, Rails, JavaScript, CoffeeScript, Node.js, PostgreSQL and MongoDB. Currently I'm looking for a challenging job. I'm a passionate learner and open source enthusiast, I enjoy coaching at Rails Girls and value practices like testing and version control. Follow me on GitHub, Medium and Twitter. Contact me via LinkedIn or kodnin@gmail.com.