Henri Kostia
Software Developer at Onecode Oy
Helsinki, Finland
Summary
👤
Senior🎓
Top SchoolHenri Kostia is a Helsinki-based software developer with 11 years of experience building scalable web applications and services across frontend and backend stacks. He has progressed from hands-on roles developing CMS and gaming sites to technical leadership at Nordcloud, where he led architecture and customer projects, and now delivers freelance and product work at Onecode Oy. Henri is skilled in HTML5, CSS, JavaScript and scalable web architectures, and is known for reliable, efficient delivery in agile environments. His background—an M.Sc. in Computer Science—pairs academic rigor with practical expertise in PHP/MySQL-era web systems through modern architectures, giving him a pragmatic edge in evolving legacy platforms into maintainable, modern services.
11 years of coding experience
15 years of employment as a software developer
M.Sc., Computer Science, M.Sc., Computer Science at Teknillinen korkeakoulu-Tekniska högskolan
English, Finnish, Swedish
Github Skills (25)
date-fns10
datepicker10
highcharts10
javascript9
visualization9
charting9
charts9
visualizations9
react9
data-visualization8
maps8
openlayers8
server7
hot-reload7
webpack7
Programming languages (3)
Github contributions (5)
SC5/sc5-devicewall
Aug 2014 - Jan 2015
Contributions:142 commits, 19 PRs, 4 pushes in 4 months
walldevelopingweb-developjavascriptweb-apps
hkostia/sc5-devicewall
Jan 2015 - Jan 2015
Contributions:12 pushes, 15 branches in 10 days
walldevelopingweb-developjavascriptweb-apps
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