Dimitrios Tragas is a Chicago-based UI/UX designer and independent app developer with two decades of experience. His practice combines interface design, research, wireframing and design systems with the coding needed to release and maintain products. Through 2Pens Media, he designs and operates his own applications for iOS and Android, taking responsibility for mobile development, backends, analytics and ongoing improvements. His wider background spans enterprise dashboards, precision-farming interfaces, e-commerce and corporate tools. The portfolio distinguishes these professional roles from independently published apps, showing how user needs, implementation costs and business goals inform design decisions.