Ondrej Sebelik
Principal Architect - Digital at Vodafone
Prague, Prague, Czechia
Summary
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Senior🎓
Top SchoolOndrej Sebelik is a Principal Architect specializing in cloud-native digital solutions, customer authentication, and security with over a decade of hands-on experience across telco and cloud consulting environments. He has led end-to-end architectures for large projects such as a GCP-based event-driven IoT platform with PKI/E2E encryption and real-time video streaming, and an AWS-backed centralized identity platform that consolidated heterogeneous authentication systems and rolled out MFA at scale. Comfortable operating between strategy and delivery, he has governed digital architecture at Vodafone while previously qualifying hundreds of cloud opportunities and designing serverless, identity, and analytics solutions for SMBs. Ondrej’s background blends product thinking (early WTTx broadband product leadership) with deep technical execution, making him effective at turning unclear requirements into scalable, auditable platforms. Based in Prague, he pairs a Master’s in Business Administration with practical cloud certification-style experience across AWS and GCP, and a track record of shipping secure, user-centric digital services.
8 years of coding experience
8 years of employment as a software developer
Master's degree, Business Administration and Management, General, Master's degree, Business Administration and Management, General at University of Economics, Prague
Github Skills (23)
ecies10
java9
pki9
cryptography8
ios8
testing7
unit-testing7
chrome6
player6
chrome-devtools-protocol6
golang5
rtsp4
video-streaming4
rtp4
streaming4
Programming languages (6)
Github contributions (5)
O2-Czech-Republic/BC-ECIES-for-iOS
Nov 2017 - Jul 2018
iOS-compatible ECIES implementation in Java
Contributions:12 commits, 14 pushes, 1 branch in 8 months
eciesiosjavacryptographye2e-encryption
sebelik/imposm3
Nov 2021 - Aug 2022
Imposm imports OpenStreetMap data into PostGIS
Contributions:2 pushes, 2 branches in 9 months
openstreetmap-datanominatimpostgisosmimports
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