I am Darrell Ulm , a software developer, with broad interests across computer science and modern software engineering. My work spans algorithms, parallel and data-parallel computing, Apache Spark, signal processing, graphics, and open source software. I have developed in many languages and environments, including Assembly, C/C++ , C#, PHP, MySQL , Unity3D, and enterprise content management systems. Drupal stands out to me as one of the most powerful and interesting CMS platforms I have worked with, while WordPress continues to impress with its rapid evolution, flexibility, and massive plugin ecosystem. GitHub has long been my main hub for open source work, though I have been increasingly interested in GitLab. I have also explored older platforms like SourceForge and profile aggregators such as OpenHub. I stay active in developer and knowledge sharing communities such as StackExchange, CodeProject, Codecademy, TopCoder, and Quora, and I use SlideShare to bo...