Johan Leertouwer

Johan Leertouwer is an experienced technology professional currently serving as a Senior Data Engineer and Medior Data Scientist at Maqqie, where focus is directed toward data optimization utilizing AI, ETL/ELT processes, and the Google Cloud platform. Prior roles include Lead Java/Kotlin Developer at Maqqie and Wachtrijtje.nl, where innovation during the Covid-19 crisis led to the creation of a Virtual Waitingline application. Johan's extensive background encompasses senior Java development roles in various organizations, including Maxdoro B.V., Kadaster, Nederlandse Spoorwegen (NS), and Philips Healthcare, along with freelancing through MelSus BV. A career that spans multiple industries and over two decades showcases proficiency in backend development, system architecture, and data integration, alongside an educational foundation in mechanical engineering and welding technology.