Joonas Kerttula

Lead Developer at Rebel App Studio

Joonas Kerttula is a Lead Developer at Rebel App Studio by Codemate, with nearly two decades of experience crafting software solutions. He has contributed to multiple open-source Flutter plugins, notably google_navigation_flutter and google_maps_flutter. Joonas specializes in plugin architecture and native integration, with a strong focus on maintainable APIs, testability, and long-term plugin quality.

Behind the Plugin: Building Google Maps Navigation for Flutter

This talk provides practical insights and best practices gained from the real-world development of google_navigation_flutter — a plugin bridging the native Google Maps Navigation SDKs with Flutter. Key topics include: - High-level introduction to Google Maps Navigation - Effective documentation strategies - Importance of comprehensive feature coverage in the example app - The benefits of a unified API design - Real-world testing strategies - Extending support for the Driver SDK This talk offers broadly applicable practical tips for Flutter plugin development.