Jonas Elfström
Principal Product Manager at Telness Tech
Greater Stockholm Metropolitan Area Sweden
Summary
👤
Senior🎓
Top SchoolJonas Elfström is a Principal Product Manager with 15 years of experience blending hands-on engineering, cloud-native architecture, and product leadership across telecom and healthcare SaaS. He has a track record of defining technical and strategic visions, building roadmaps, and leading cross-functional teams to deliver B2B and B2B2B platforms—most recently driving a 100% AWS-native BSS/OSS solution for global connectivity. Equally comfortable in code and strategy, Jonas has held roles from tech lead and product owner to cloud tech lead, and he brings deep expertise in security, cryptography, serverless architectures, and automation that reduces customer acquisition cost and OPEX. He’s led large customer-facing projects with sales engineering and partners while prioritizing team wellness and sustainable ways of working. Based in Greater Stockholm, he also has entrepreneurial roots as an ISP founder and a penchant for blogging and podcasts, signaling a continual curiosity beyond corporate delivery.
15 years of coding experience
18 years of employment as a software developer
Bachelor of Science in Engineering Computer Engineering and Electronics, Bachelor of Science in Engineering Computer Engineering and Electronics at KTH Royal Institute of TechnologyUpper Secondary School Science electronics and computer, Upper Secondary School Science electronics and computer at IT-GymnasietReal-Time Embedded Systems, Real-Time Embedded Systems at Umeå UniversityC++ programming, C++ programming at Gotland University
Swedish, English, German
Stackoverflow
31,138reputation
5.4mreached
572answers
26questions
unix
top-5%
html-table
top-5%
sed
top-5%
awk
top-5%
vbscript
top-5%
java
top-5%
Github Skills (36)
scripting10
ruby10
unix9
awk9
algorithm9
java9
layout9
regex9
ascii9
unicode9
sed9
html-table9
asp-net9
ruby-on-rails9
vbscript9
Programming languages (3)
Github contributions (5)
jonelf/SafeSext
Aug 2010 - Aug 2012
Contributions:11 commits in 2 years
jonelf/encodeURI.js
Apr 2016 - Apr 2016
Contributions:20 pushes, 1 branch in 4 days
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