Kristoffer Matsson
Founder & Developer at Happanero Development AB
Sweden
Summary
👤
Senior🎓
Top SchoolKristoffer Matsson is a seasoned mobile developer and founder with 11 years of experience building native Android and iOS apps, and running two ventures—Börskollen and consultancy Happanero Development AB. He started as a full‑stack web developer but pivoted to specialize in mobile, leading Android teams and shipping consumer apps with multi‑million weekly reach. Passionate about clean architecture, testability and agile practices, he balances hands‑on engineering with product instincts from running a news/subscription service. Based in Stockholm and originally from Dalarna, he contributes to the Swedish app ecosystem by day at happanero.se and by night improving Börskollen, combining entrepreneurship with deep mobile craftsmanship.
11 years of coding experience
5 years of employment as a software developer
Associate's degree, Software Development, Associate's degree, Software Development at Örebro University
Swedish, English
Stackoverflow
1,034reputation
54kreached
20answers
11questions
Github Skills (47)
navigator10
react-native-navigation10
react-native9
epg9
progress-bar9
hero8
android8
authentication7
socket6
firebase-database6
firebase6
android-studio6
android-layout6
textview6
robolectric6
Programming languages (6)
Github contributions (5)
korre/android-circular-progress-bar
May 2015 - Jan 2018
Round progress bar for android
Contributions:5 commits, 1 PR, 7 pushes in 2 years 8 months
androidprogress-bar
korre/android-tv-epg
May 2015 - Nov 2017
Classic TV electronic program guide (EPG) with multidirectional scroll
Contributions:8 commits, 1 PR, 8 pushes in 2 years 5 months
epg
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