Onni Rantanen
Software Engineer at CGI
Espoo, Finland
Summary
👤
Senior🎓
Top SchoolOnni Rantanen is a pragmatic full stack software engineer with nine years of experience building user-focused web applications and data-driven SaaS. Currently at CGI, he has led end-to-end projects including a library resource planner with desktop and Android companions and retail analytics platforms where he owned design, development, and automated testing. Comfortable across the stack, he combines hands-on coding with system design and a penchant for reliable, testable delivery. Based in Espoo and trained in computer science at the University of Helsinki, he brings a blend of public-sector empathy and commercial SaaS discipline to complex product problems. Notably, his background shows an ability to move between stakeholder-facing features and behind-the-scenes infrastructure that keeps systems maintainable and scalable.
9 years of coding experience
3 years of employment as a software developer
Computer Science, Computer Science at University of Helsinki
Finnish, EnglishProgramming languages (2)
Github contributions (5)
ounai/tykkipeli-server
Mar 2021 - Dec 2022
Contributions:69 commits, 40 pushes in 1 year 9 months
ounai/cargo-breaker
Oct 2021 - Nov 2021
Contributions:146 commits, 119 pushes, 1 branch in 1 month
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