Harold Hernandez is an experienced Full-stack Developer currently working at Attention since May 2022, specializing in back-end API development using GraphQL, Golang, and PostgreSQL. Prior to this, Harold served as a Senior iOS/Android Developer at Tpaga, where the focus was on developing a mobile wallet application for payment management. Additional notable positions include Senior iOS Developer roles at Batteries 911, Firebase.co, and STUDIGY, where Harold developed various applications leveraging Swift and Kotlin for the iOS and Android platforms, respectively. Harold has also engaged in mobile app development for projects in different industries, including physiotherapy and tourism, and has a strong foundation in integrating API services and implementing Material Design principles across applications.
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