Reinier Sierag
Bestuurslid at Kobalt
North Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolReinier Sierag is a seasoned Full Stack Developer and entrepreneur with 13+ years building complex websites and webapps, currently leading Kobalt as CEO and serving on the board of the Dutch Laravel Foundation. He combines deep expertise in Laravel, JavaScript frameworks (Vue.js, AngularJS), Webpack and database architecture with a practical habit of wiring systems together—often via open source. His background spans hosting and online media, project and team management, and early-stage ventures, reflecting both hands-on coding and leadership. Active in volunteer tech efforts like Goods4Ukraine.eu, Reinier brings a pragmatic, connector mindset: he not only architects systems but also builds the teams and communities to sustain them.
13 years of coding experience
15 years of employment as a software developer
Trainer Coach, Trainer Coach at KNBSBHorizon CollegeVSP4, VSP4 at VMware Partner Central (Online Course)
Dutch, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (24)
hikvision9
mod-manager8
pcf7
haiku6
barrage5
plugin4
stream3
jigsaw2
react2
streaming2
video-streaming2
audio2
flickr1
photo1
jquery1
Programming languages (4)
Github contributions (5)
KobaltDigital/goods4ukraine.eu
Mar 2022 - Jul 2022
Goods4Ukraine brings together supply and demand with the aim of helping refugees find missing supplies.
Contributions:155 commits, 5 PRs, 137 pushes in 4 months
hikvisionaimsuppliesmod-managerhaiku
raadhuis/websites
Feb 2015 - Jun 2016
Contributions:71 commits, 40 pushes, 28 issues in 1 year 4 months
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