Jellie's archive
the Netherlands
Summary
👤
SeniorJelle Hermsen is a freelance programmer with 13+ years building mobile apps, web applications and webshops, with deep expertise in medical software and real-time 3D experiences. He combines low-level skills in C/C++, OpenGL and Ada with modern stacks like Django, Flutter and JavaScript, enabling end-to-end delivery from embedded algorithms to polished UIs. As co-founder of Plump Devs and several small startups, he blends product-minded game and app development with practical freelance delivery. Based in the Greater Enschede Area, he favors careful, empathetic design—evident in games aimed at inclusive audiences—and has recently migrated his open-source work to SourceHut. His background in technical informatica and early web development gives him a rare mix of legacy systems comfort and contemporary mobile/3D fluency.
14 years of coding experience
Github Skills (37)
game-engine10
open-source10
3d10
game-development10
file-browser9
godot9
gdscript9
ada8
pkgsrc7
sdl-ttf7
django7
wagtail6
python6
cms6
steam5
Programming languages (9)
Github contributions (5)
jellehermsen/blog
Jul 2015 - Jul 2022
Contributions:36 pushes, 1 branch in 7 years 1 month
jellehermsen/skef
Jun 2019 - Jul 2022
Contributions:4 commits, 3 pushes, 2 branches in 3 years 2 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.