Ensured continuous release process verification for Frontend/Backend/Mobile platforms by designing test plans based on feature specifications and implementing automated regression testing scripts and pipelines

Improved the company’s POS device Java/Kotlin/Android application by migrating to a modern tech stack (MVVM, LiveData, DataStore, Coroutines, Flow/RxJava), which improved stability and maintainability

• Developed a Java/Android encoder/decoder (BER) API wrapper for intelligent transportation networks by porting a native C runtime library (ASN.1 C) using Android NDK • Implemented Java/Android high‑level API wrappers for interfacing with the device’s LTE Evolved Multimedia Broadcast Multicast Services (eMBMS)