Sander Gerritsen is a skilled technology professional with extensive experience in software development and web applications. Since April 2015, Sander has served as Development Team Lead and Senior PHP Developer at 123inkt.nl, focusing on engineering webshop-related applications and developing logistics algorithms. Prior to this role, Sander worked as a Software Engineer for Online Portfolio, contributing to the creation and maintenance of e-portfolio solutions in the Netherlands. Sander has also held positions as a Web Developer at ATPI, managing corporate websites and applications, and as a Software Engineer at LISA, supporting online members administration software for sports clubs. Additionally, Sander managed first-grade referees at Almeerse Hockey Club, overseeing their planning and education. Sander holds a degree in Electrical Engineering from Amsterdam University of Applied Sciences and completed VWO at Goois Lyceum.