Karsten Ohme
Co-Founder & CTO at Bloxtel
Dresden, Saxony, Germany
Summary
👤
Senior🎓
Top SchoolKarsten Ohme is a telecommunications engineer and serial founder with over a decade of experience designing and commercializing UICC, eSIM and Java Card solutions. As Co-Founder & CTO at Bloxtel he now applies that deep embedded-SIM expertise to help build decentralized mobile networks, drawing on prior roles as Director of Engineering at GigSky and VP of Engineering at Simless where he led virtualization of SIMs and OTA profile management. He blends hands-on software architecture and product leadership—shaping turnkey systems on chip, backend SM-DP infrastructure and consumer apps—with practical business acumen from founding multiple companies. Based in Dresden, Karsten’s work spans the full stack of cellular identity: hardware, secure element software and cloud orchestration, with particular strength in bringing Java Card and eSIM standards into production. A pragmatic technologist, he’s comfortable navigating both R&D and commercial deployment, often translating niche telecom standards into user-facing products.
10 years of coding experience
15 years of employment as a software developer
Diplom, Medieninformatik, 1.5, Diplom, Medieninformatik, 1.5 at TU Dresden
English, German
Github Skills (200)
lte10
ber10
ima10
application-framework10
http-server10
software-defined-radio10
sniffing10
ipfs10
dac10
intellij-plugin10
asn110
nio10
dumper10
parcelable10
security10
Programming languages (16)
Github contributions (5)
koh-osug/jcardsim
Jan 2019 - Jun 2022
Contributions:1 release, 58 commits, 3 PRs in 3 years 6 months
koh-osug/json-schema-generator-maven-plugin
Dec 2016 - Jan 2022
Contributions:9 pushes, 3 branches in 5 years 1 month
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