Sami Lehtonen
Senior Designer at Esko Systems Oy
Finland
Summary
👤
Senior🎓
Top SchoolSami Lehtonen is a senior designer and seasoned software engineer with 15+ years of hands-on experience building desktop, mobile and server-side systems using C#, C/C++ and Qt. He combines technical leadership and full‑stack delivery—currently shepherding micro‑system architectures, React frontends and .NET backends as technical lead and scrum master at Esko Systems. Sami founded an indie games studio, shipping multi‑platform titles and taking products from concept through architecture, UX and final release, which informs his strong focus on usability and polished code. His background spans high‑performance data processing, web crawling for OSINT, CI/DevOps and commercial Qt support, giving him unusually broad troubleshooting skills across environments. Known for writing maintainable, beautiful code, he pairs pragmatic engineering with product sensibility to improve user experience end‑to‑end. Based in Finland, he brings entrepreneurial curiosity and a track record of shipping production software across constrained and large‑scale systems.
10 years of coding experience
14 years of employment as a software developer
Master of Science, Information Processing Science, Mobile Services, Master of Science, Information Processing Science, Mobile Services at University of OuluSecondary school graduate and basic degree of information techology, Information technology, Secondary school graduate and basic degree of information techology, Information technology at Senior secondary school for adults of Rovaniemi and technical vocational school of Rovaniemi
Finnish, English
Github Skills (4)
freenode4
pathofexile3
database2
databases2
Github contributions (5)
tatefin/poe
Jul 2015 - Oct 2015
Contributions:4 pushes in 3 months
freenodebotdatabasespathofexiledatabase
tatefin/java
Mar 2025 - Mar 2025
Contributions:1 push in 5 days
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