Roel Koster
Senior Back End Developer at Digivotion B.V.
Delft, South Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolRoel Koster is a Senior Back End Developer based in Delft with nine years of hands-on experience building web and backend systems and a background that blends engineering, entrepreneurship and systems administration. He currently drives backend work at Digivotion B.V. after founding and leading several small software and communications companies, bringing product-minded ownership to engineering problems. Technically versatile, Roel has experience across C, Delphi, Python, Kotlin, web stacks and even CAD/3D tools, reflecting a habit of solving problems across domains rather than staying in a single niche. His roots as a systems administrator inform a pragmatic, operations-aware approach to reliable deployments and long-lived services. Colleagues benefit from his mix of technical depth and business sense—he knows how to turn client needs into maintainable technical solutions.
9 years of coding experience
Middelbare School, Elektrotechniek / Monteur elektrotechnische installaties, Middelbare School, Elektrotechniek / Monteur elektrotechnische installaties at LOI
English, Dutch, Dutch
Github Skills (33)
x-plane9
addon9
blender8
stock7
windows-driver7
java7
encryption6
cloud-storage6
cryptography6
crypto6
security6
modular6
sky5
python5
adsbexchange4
Programming languages (4)
Github contributions (5)
kostex/darktable
Jan 2019 - Oct 2019
Contributions:105 commits, 25 pushes, 1 branch in 8 months
kostex/Blender
Jul 2018 - Jun 2021
Blender 2.8 with my patches
Contributions:55 pushes, 1 branch in 2 years 11 months
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