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Petteri Tuononen currently serves as a System Developer at Techstep since February 2021, following a diverse background in programming and technology. Previous experiences include internships at Singleton Applications where Petteri engaged in programming for both Android and iOS platforms, utilizing languages such as Java, Objective C, and Swift. Earlier in the career, Petteri worked as an Elektronik reparatör at Ericsson from June 2006 to February 2017. Petteri's educational foundation was established at IT-Högskolan from 2017 to 2019.