Mathias Jeppsson
Software Engineer at Catalina Marketing Japan K.K.
Chiyoda, Japan
Summary
👤
Senior🎓
Top SchoolMathias Jeppsson is a seasoned software engineer with 14+ years focused on embedded and Android systems, blending deep C/C++ and Java expertise with hands-on experience in Bluetooth, OBEX, NFC and media streaming technologies like UPnP/DLNA. He has driven low-level work from Linux drivers to Android framework contributions—making a dozen upstream patches—and led teams and certification efforts during his architect and engineering tenures at Sony Mobile. Now based in Chiyoda and holding a Japanese work permit, he continues shipping mobile and embedded solutions at Catalina Marketing after roles at Rakuten and Sony. Mathias also publishes apps on Google Play and maintains projects on GitHub, reflecting a practical maker’s approach to solving connectivity and protocol challenges. An unusual strength is his ability to span standardization participation and production code delivery, turning protocol-spec discussions into deployed features.
14 years of coding experience
15 years of employment as a software developer
Secondary education, Economics, Secondary education, Economics at HermelinsskolanMaster, Computer Science, Master, Computer Science at Luleå University of Technology
English, Swedish, Japanese
Stackoverflow
405reputation
83kreached
9answers
0questions
Github Skills (26)
android-application10
android-watch9
arduino9
android-app7
spacex7
emulation6
deprecated6
android-dialog6
android-library6
compatibility6
android6
navigation-drawer6
java6
android-intent6
android-lifecycle6
Programming languages (2)
Github contributions (5)
jeppsson/Arduino-Communicator
Apr 2012 - Mar 2013
Very simple Android application for communicating with Arduino
Contributions:38 commits in 10 months
android-applicationarduino
jeppsson/AppExplore
Apr 2018 - Jul 2022
Contributions:1 release, 138 commits, 25 pushes in 4 years 4 months
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