Senior Engineer
CurrentHamiPay : Developed a NFC-SIM based Android application with RESTful APIs to support payment by electronic cards and credit cardsCHT VIP-welfare system : Contributed to the development of Spring Boot-based welfare system APIs (e.g., lucky draw, blacklist setting, report statistics) using Java or KotlinLead a team of 4 engineers to improve the quality of HamiPay and meet new requirementsDeveloped an Android inspection reporting application with an IoT platform for COVID pandemic