Koen Heltzel is a Game Developer and Web Developer at Dutch Pinball. He possess expertise in php, javascript, python, mysql, actionscript and 2 more skills. He is proficient in English. Colleagues describe him as "Koen is a professional "pur sang". Clear communication, critical when necessary and solves any challenge! Not only technically very good but also in reporting and writing technical documentation and designs. As manager I was responsible for operational tasks but with questions, Koen was always willing to answer or clarify them. As a person I appreciated Koen because of his social skills and humor. He was one of the key persons who made my time at Factory to be fun! Thanks Koen!" and "Koen is an easy-going guy with high-standards, a lot of knowledge and perfection when it comes to software / web-application development. It was a pleasure to work alongside him."