Matti Petrelius
Tech Lead Consultant at Reaktor
Helsinki, Finland
Summary
👤
Senior🎓
Top SchoolMatti Petrelius is a Helsinki-based Tech Lead Consultant with 11 years of experience designing and delivering web and enterprise software across finance and consultancy sectors. Currently leading technical efforts at Reaktor, he blends hands-on development, UI/UX sensibility, and architectural guidance from prior senior roles at Devisioona, Elite Asset Management and Eufex Bank. Passionate about serverless and functional programming, he focuses on pragmatic, maintainable solutions that scale while championing continuous learning and improvement. Known for moving smoothly between client-facing consultancy and deep technical implementation, he pairs strong engineering fundamentals from a B.Eng. in Software Engineering with a designer’s attention to usability.
11 years of coding experience
13 years of employment as a software developer
Insinööri AMK, Ohjelmistotekniikka, Insinööri AMK, Ohjelmistotekniikka at Helsingin Ammattikorkeakoulu Stadia
English, Swedish, Finnish
Github Skills (147)
testing10
visual-studio10
sendgrid10
javascript10
azure-webjobs-sdk10
playing10
editor10
angular10
electron10
typescript10
vscode-extension10
vue10
vscode10
transactional-emails10
mongodb10
Programming languages (6)
Github contributions (5)
petmat/less-code-is-more
Apr 2019 - Mar 2025
My blog
Contributions:57 pushes, 13 branches in 5 years 11 months
my-blog
petmat/yehat
Feb 2022 - Jul 2022
Contributions:16 commits, 96 pushes, 1 branch in 5 months
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