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Ralf Honorio de Lima is a seasoned software engineer with extensive experience in digital certification and digital security applications. Currently serving as a Senior Software Engineer at Valid since February 2020, Ralf specializes in developing solutions utilizing Java, Spring, Kotlin, and Google Cloud Platform within a distributed microservices architecture. Previously, Ralf held the positions of Tech Lead and Senior Software Engineer at SPC Brasil, focusing on backend solutions with the Spring Framework, and developed applications for the financial sector at Deal. Ralf's career also includes experience as a Java Web Developer at JWB Fomento Mercantil and as a Network Engineer at Ziva Tecnologia e Soluções. Ralf holds a Graduate degree in Distributed Systems Architecture from PUC Minas, as well as qualifications in JAVA Application Development and IoT, and an Associate's degree in Network Engineering.