Roni Helppi

Senior UX Designer at Reaktor

Tampere, Pirkanmaa, Finland
email-iconphone-icongithub-logolinkedin-logotwitter-logostackoverflow-logofacebook-logo
Join Prog.AI to see contacts
email-iconphone-icongithub-logolinkedin-logotwitter-logostackoverflow-logofacebook-logo
Join Prog.AI to see contacts

Summary

👤
Senior
🎓
Top School
Roni Helppi is a Senior UX Designer based in Tampere with 11 years of experience blending user-centered design and hands-on software development to create elegant, implementable digital products. He has progressed from Haskell-based software engineering and field testing to leading UX work at Reaktor after several roles at Gofore and Leadin, giving him a rare fluency in both prototyping and production-ready implementation. Roni’s background in computer science (M.Sc.) and past work on industrial and healthcare-adjacent systems informs a pragmatic approach to research, information architecture, and interaction design. Colleagues benefit from his ability to translate complex technical constraints into joyful, swift-to-build interfaces. He’s known for pairing deep technical empathy with strong customer interaction—making designs that delight users and ship quickly.
code11 years of coding experience
job3 years of employment as a software developer
bookMaster of Science (M.Sc.), User Experience, Computer Science, Master of Science (M.Sc.), User Experience, Computer Science at Tampere University of Technology
bookHigh school, High school at Arkadian yhteislyseo
languagesFinnish, English, Swedish, Estonian
github-logo-circle

Github Skills (21)

css10
sass10
react10
addon9
sketch7
home-assistant6
finnish5
pebble4
grammarly4
grammar3
vscode-extension3
solidity2
ethereum2
vscode2
assistants1

Programming languages (5)

TypeScriptCSSCJavaScriptHTML

Github contributions (5)

github-logo-circle
Contributions:1 release, 3 pushes, 1 branch in 1 year 11 months
ronijaakkola/trebble

Jan 2017 - Feb 2025

Trebble is a Pebble smart watch app for finding the next departing busses in Tampere, Finland.
Contributions:7 PRs, 22 pushes, 3 branches in 8 years 2 months
pebblefindingtamperefinlandsmart-watch
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.
Request Free Trial
Roni Helppi - Senior UX Designer at Reaktor