Sathsara Maduranga

Engineered mission-critical mobile features using Swift, UIKit, and Structured Concurrency (async/await), refactoring legacy completion handlers to improve maintainability. Architected modular components using MVVM and refactored legacy code to enhance app maintainability and scalability. Optimized app performance and stability by resolving complex memory leaks and UI bottlenecks using Xcode Instruments. Led code reviews and mentored junior developers, establishing modern Swift engineering standards and automated delivery pipelines via TestFlight. Analyzed recurring crashes and memory leaks using Firebase Crashlytics and Xcode Instruments, resolving reference cycles to improve app stability and reduce post-release defects.

Developed and maintained iOS and Android apps using Swift, UIKit, and Xamarin for Pestpac, RealGreen, and WinTeam; led timely releases, fixed bugs, and improved stability; mentored 2 junior iOS developers; collaborated with product owners, QA, and backend engineers; managed build configurations and automated release processes; used Xcode Instruments for performance profiling; monitored Firebase Crashlytics and analytics to prioritize fixes and feature improvements.

Engineered enterprise iOS features using Swift and UIKit, ensuring technical continuity and high-quality application releases. Mentored junior iOS developers via code reviews and technical guidance to improve team productivity and code standards. Collaborated in Agile squads using Swift and Xamarin to deliver robust mobile solutions and ensure seamless execution. Managed end-to-end App Store release processes, ensuring timely and stable deployments of iOS applications.