Tomi Koskinen
Chief Architect at Reaktor Innovations
Helsinki, Finland
Summary
👤
Senior🎓
Top SchoolTomi Koskinen is a seasoned Chief Architect based in Helsinki with over 20 years in software development and more than a decade in senior architecture and leadership roles. He specializes in mobile-first consumer services—particularly iOS—while also designing backend systems using Node.js, Clojure and experimental Swift backends. Tomi combines hands-on coding (C++, Ruby) with strong software architecture, design and process-improvement skills honed at Reaktor Innovations and Digia. His career blends long-term team leadership and technical depth, from early engineering roles to managing and architecting complex projects. Quietly curious, he actively experiments with unconventional stacks and backend approaches to bridge mobile UX needs with scalable server design.
10 years of coding experience
12 years of employment as a software developer
M.Sc, Computer Science, M.Sc, Computer Science at Teknillinen korkeakoulu-Tekniska högskolan
Github Skills (30)
ios10
rxswift10
mobile-development10
reactivex10
reactive10
windows10
app-framework10
skiasharp10
mobile-game10
cross-platform10
functional10
desktop10
observer10
material-design10
android10
Programming languages (4)
Github contributions (5)
tottakai/Thongs
Jan 2017 - Nov 2017
Contributions:5 releases, 8 commits, 48 pushes in 10 months
tottakai/RxSwift
Sep 2015 - Nov 2016
Contributions:34 pushes, 15 branches in 1 year 1 month
reactive-programmingreactiveswiftios
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