Sylwester Zieliński is a seasoned software engineer specializing in mobile application development, currently holding the position of Staff Software Engineer at Airthings since July 2024. Prior to this role, Sylwester served as a Senior R&D Engineer and Mobile Application Developer at Nordic Semiconductor, where IoT applications for Android and iOS were developed from August 2021 to July 2024. Experience also includes positions as a Senior Android Developer at intive, an Android Developer at Yameo, Empik Group, and Softax, contributing to various projects such as VOD applications, goods distribution accounting apps, and m-commerce solutions. Early career experience encompasses work as a Junior Android Developer at Samsung Electronics, focusing on RCS application development. Sylwester holds a Bachelor's degree in Computer Science from Warsaw University of Technology, earned in 2015.