Cliffred van Velzen is a seasoned software engineer specializing in Kotlin and Java, currently serving as a Senior Software Engineer at Energie Data Services Nederland (EDSN) B.V. since April 2023. Previously, Cliffred held the position of Senior Software Engineer and Tech Lead at Ahold Delhaize from February 2021 to April 2023, and was the Kotlin/Java Unit Director and Developer at CodeCapi for a short tenure in 2020. With extensive experience in various roles, including Senior Java Software Engineer at NS Reizigers and independent software engineering at The Future Group, Cliffred has consistently demonstrated expertise in Java development since starting a career at UWV Werkbedrijf and CGI. Cliffred holds a Master of Science degree in Business Informatics from Utrecht University and completed VWO in Natuur en Techniek at OSG Hugo de Groot.