Gerdjan Van Hagen
Lead Developer at International Card Services
Nieuwegein, Utrecht, Netherlands
Summary
👤
Senior🎓
Top SchoolGerdjan Van Hagen is a Lead Developer with 13 years of hands-on experience in mobile and backend engineering, currently steering development and DevOps efforts at International Card Services from Nieuwegein. He evolved from iOS and Android app development for consumer and defense projects to senior DevOps and leadership roles, blending product-focused engineering with operational ownership. At HomeWizard he helped ship apps serving thousands of monthly users and built an internationally sold camera app, demonstrating a practical focus on reliable consumer software. His background includes research-driven digital health prototyping and Scrum leadership, showing an ability to bridge user research and production delivery. Colleagues know him as a pragmatic problem-solver who moves between coding, automation, and team facilitation to reduce friction in delivery. Although not open to new opportunities, he continues to deepen cross-functional expertise in scalable payments and platform reliability.
13 years of coding experience
8 years of employment as a software developer
Bachelor's degree, Game Development - Game Technology, Bachelor's degree, Game Development - Game Technology at Hogeschool van AmsterdamNatuur & Techniek, Natuur & Techniek at HAVO
Dutch, English, German
Github Skills (5)
keychain2
macos1
swift1
ios1
api1
Programming languages (1)
Github contributions (3)
gametechnology/psi-2013
Mar 2013 - Jun 2013
Contributions:32 commits in 3 months
Hagen45/BuildTestProject
Mar 2017 - Mar 2017
Contributions:1 branch in 1 day
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