Jere Karppinen
Software Developer at WiseNetwork Oy
Vantaa, Finland
Summary
👤
Senior🎓
Top SchoolJere Karppinen is a pragmatic software developer with 11 years of experience building full-stack and backend systems across TypeScript, Java, Python and PHP, and a strong practical footing in CI/CD and containerization. He favors improving development processes and documentation—effectively filling a DevOps-minded role without adopting an "architect" persona. Comfortable shipping APIs, integrations and React front ends, he excels at onboarding others by translating complex system views into clear, actionable guidance once he has seen the bigger picture. Colleagues rely on him to pause his own work to help teammates, reflecting a collaborative, team-first approach. Outside work he builds useful hobby projects like a live bus timetable display and co-produces a Finnish gaming podcast, showing a mix of technical curiosity and creative communication. Based in Vantaa, Finland, he holds a BSc in Computer Science and a Google Cloud Developer certification.
11 years of coding experience
11 years of employment as a software developer
Bachelor of Science (BS) Computer Science, Bachelor of Science (BS) Computer Science at Mikkeli University of Applied SciencesKajaani University of Applied SciencesMatriculation Examination, Matriculation Examination at Lieksan lukio
Finnish, English
Stackoverflow
83reputation
6kreached
2answers
5questions
Github Skills (30)
testing7
facebook7
nested6
dart6
flutter6
php6
flutter-test6
mocking6
phpunit6
javascript6
aqueduct6
calculator5
pii4
anonymize4
obfuscator4
Programming languages (4)
Github contributions (5)
jerekarppinen/busdisplay
Aug 2018 - Mar 2021
Contributions:20 commits, 133 pushes, 7 branches in 2 years 6 months
jerekarppinen/kesakisat_mobile
Aug 2020 - Aug 2025
Score calculator for olympics
Contributions:2 PRs, 27 pushes, 2 branches in 5 years
score-calculatorcalculatorjavascriptolympics
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