Sami Lehtonen
Senior Designer at Esko Systems Oy
Finland
Summary
👤
Senior🎓
Top SchoolSami Lehtonen is a senior software designer and product-focused engineer with nearly two decades of experience delivering cross-platform applications across desktop, mobile, and games. He excels in turning complex requirements into high-quality, usable software, combining hands-on coding (C#/C++/C, Qt/QML) with architectural design and UX emphasis. As technical lead and scrum master at Esko Systems Oy, he steers full-stack development of a microservices-based patient information system using .NET, React, TypeScript, and data tooling, supported by Docker, Kafka, and Azure DevOps. In 2010 he founded Trogaming, releasing two mobile games across multiple platforms with more than 200,000 downloads, illustrating his ability to ship product from concept to final form. His background spans OSINT tooling at F-Secure, Windows desktop apps at Thermo Fisher, ERP customization at Digia, and Symbian UI work, reflecting a resilient, multi-environment skill set. He holds an MS in Information Processing Science (Mobile Services) from the University of Oulu and is based in Finland.
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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