Summary
Kalle Rainio is a self-taught software entrepreneur and CEO with 13 years of hands-on experience building web, mobile, and Windows applications from Kuopio, Finland. Since founding Koodi-Kalle Oy in 2010 he has worn many hats—leading development, testing, database work, sales, and customer service—to deliver practical web solutions for clients. He also contributed as a web developer on a team building a web-based ERP for veterinary clinics, demonstrating experience in domain-specific enterprise systems. With formal studies in computer science from the University of Eastern Finland and early research prototyping experience, he blends academic grounding with pragmatic, full-stack delivery. Notably, his long-running solo leadership reflects a strong ability to turn solo craftsmanship into sustainable client-facing services.
13 years of coding experience
1 year of employment as a software developer
Computer Sciences, Computer Sciences at University of Eastern Finland
Finnish, English