Navigating a maze of legacy code while under the pressure of urgent feature requests is a challenge many of us know all too well. In this session, I'll share my own journey of tackling tech debt without disrupting the production environment. Together, we'll explore how to tame the legacy beast using design principles that work like a charm, no matter what programming language you're working with. You'll walk away with real-world insights and a toolkit for planning and executing your next refactoring challenge, all while maintaining a healthy production setting.