Jernej Strasner
Co-Founder & CEO at sference
London, England, United Kingdom
Summary
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Rockstar🎓
Top SchoolJernej Strasner is a seasoned software leader and founder with 15 years of experience building and scaling mobile and backend systems, currently serving as Co-Founder & CEO of sference after founding and exiting Specto to Sentry. He combines deep iOS engineering roots—contributing to notable open-source tooling like Carthage—with leadership roles at Facebook and Sentry where he led mobile performance, profiling, and infrastructure teams. Comfortable toggling between hands-on development and people management, he has recruited, mentored interns, and run onboarding programs while driving product-focused engineering. Beyond mobile, Jernej has practical backend architecture experience, experiments with blockchain projects in his spare time, and tinkers with IoT and AI initiatives through Ant Lab AI. Based in Ljubljana, he brings a builder’s curiosity to sustainable transport and fintech topics and a pattern of turning niche technical work into strategic products.
15 years of coding experience
10 years of employment as a software developer
Undergraduate, Computer Science, Undergraduate, Computer Science at Univerza na Primorskem
English, Slovenian, Italian, Croatian
Stackoverflow
4,610reputation
613kreached
33answers
1question
md5
top-5%
swift
top-5%
macos
top-5%
hash
top-5%
Github Skills (16)
xcode10
carthage10
swift10
ios10
package-manager10
macos9
hash9
md59
objective-c8
obj8
hmac-sha16
commoncrypto6
calayer6
iphone6
avplayer6
Programming languages (13)
Github contributions (5)
Carthage/Carthage
Aug 2015 - Aug 2015
A simple, decentralized dependency manager for Cocoa
Role in this project:
Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:8 commits, 1 PR, 13 comments in 7 days
Contributions summary:Jernej primarily focused on improving the Carthage dependency manager for iOS projects. They addressed issues related to simulator builds, specifically resolving conflicts with deployment targets and simulator selection. Their contributions involved adding and refining build arguments, implementing a destination lookup mechanism using `simctl`, and refactoring existing code to ensure correct simulator destination settings. They also added functionality to prevent errors related to destination timeouts.
dependency-managercocoacarthageswiftpackage-manager
jernejstrasner/Smooth-Gradient
Nov 2013 - Aug 2015
Contributions:28 commits, 19 pushes, 3 branches in 1 year 9 months
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