Summary
Mark Winkler is a seasoned technology leader and hands-on engineer with two decades of experience building custom web and mobile applications, and 14 years in professional software roles across startups and agencies. As VP of Technology Operations at HappiLabs and a long-running freelance developer, he blends strategic oversight with day-to-day coding in iOS, Android, Ruby on Rails, and SQL, thriving in small Agile teams. Mark is skilled in test-driven development and training, consistently delivering production-ready projects while mentoring teams through the full lifecycle from planning to support. Based in Chicago, he pairs pragmatic engineering with client-facing consulting experience, often translating complex business needs into maintainable, user-focused products. An underappreciated strength is his sustained dual path of leadership and freelancing, which keeps him technically current while managing operational strategy.
14 years of coding experience
14 years of employment as a software developer
Bachelor of Arts (B.A.), Bachelor of Arts (B.A.) at University of Illinois Urbana-Champaign