Sakari Lehtonen
CTO & Founder at One Mandala
Helsinki, Finland
Summary
👤
Senior🎓
Top SchoolSakari Lehtonen is a seasoned software engineer and founder with 12 years of experience building graphics-focused applications and ventures from prototype to product. He leads One Mandala and co-founded OmniGeometry, a widely used tool for creating recursive and sacred geometry that grew into a cross-platform app and amassed a large creative following. Deep expertise in 2D/3D graphics, modern C++ and OpenGL, plus Flutter/Dart and web stacks, underpins a track record of shipping performant engines and real-time visual systems for VR, desktop and embedded UIs. Past roles include rewriting core rendering and rotation systems for Rightware’s Kanzi runtime and developing Everyplay features at Applifier/Unity, showing comfort at both low-level math-heavy code and product-facing integrations. He combines entrepreneurial instincts with hands-on engineering, having built multiple full-stack products and his own 3D engine to solve niche visualization problems. Based in Helsinki, he blends artistic curiosity about sacred geometry with pragmatic technical leadership.
12 years of coding experience
9 years of employment as a software developer
Bachelor of Engineering Automation, Bachelor of Engineering Automation at Metropolia University of Applied Sciences
English, Swedish
Github Skills (200)
bitbake10
windows10
muon10
refactor10
cubing10
dmg10
game-development10
javascript10
unix10
openlibrary10
snap10
linux10
nsis10
deb10
pkg10
Programming languages (16)
Github contributions (5)
inDigiNeous/GeoKone
Jan 2015 - Aug 2016
Contributions:4 releases, 12 PRs, 144 pushes in 1 year 7 months
geometryrecursive
Sakari369/dotfiles
Oct 2014 - Aug 2021
Contributions:36 commits, 16 pushes in 6 years 11 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.