Summary
Kari Ikonen is a Senior Software Engineer based in Helsinki with 12+ years of experience building maintainable, robust, and scalable full-stack products. He brings deep practical experience from long tenures at companies like Freska, Ecolane and Stonesoft, often leading UI/UX design and full-stack development for complex enterprise systems. Kari is pragmatic but detail-obsessed: he optimizes beyond typical choices (e.g., selecting data structures and serialization strategies for cache and network efficiency) while insisting on small, consistent UI details that make software invisible to users. Comfortable across server and client sides, he blends architectural thinking with hands-on implementation and coordination of cross-functional teams. His ethos—KISS, no silver bullets, and no broken windows—drives long-lived, high-quality products he’s proud to maintain.
12 years of coding experience
25 years of employment as a software developer
High school of Kitee
Entrepreneurial University, Entrepreneurial University at University of Joensuu
English, Spanish, Swedish