Andrej Kolar
IOS Developer at Singleton d.o.o.
Zagreb, Croatia
Summary
👤
Senior🎓
Top SchoolAndrej Kolar is an experienced iOS developer and software engineer with 14 years building mobile, web and enterprise applications from Zagreb, Croatia. Currently at Lumenalta (formerly Clevertech) and running his own company Singleton d.o.o., he blends hands-on Swift/Objective-C development with TypeScript experience and a strong foundation in .NET enterprise systems. He has led mobile teams, served as a Scrum product owner and shipped commercial apps as a freelancer and VP of Operations, demonstrating both technical depth and product-facing leadership. With an M.Sc. in Software Engineering from FER, Andrej is comfortable across the stack and particularly focused on modern iOS architectures and cutting-edge development methodologies. Not obvious at first glance, he balances consultancy and in-house roles simultaneously, indicating a capacity to scale between individual contribution and organizational leadership.
14 years of coding experience
5 years of employment as a software developer
M.Sc., Software Engineering and Information Systems, M.Sc., Software Engineering and Information Systems at FER
English, Croatian
Stackoverflow
284reputation
10kreached
15answers
2questions
Github Skills (33)
p810
pem10
npx8
geocoding8
android8
ios8
react-native7
testing7
ruby7
network-monitoring7
stubbing7
automation7
android-apps7
camera6
swift6
Programming languages (5)
Github contributions (5)
AndrejKolar/push-tester
Jul 2020 - Nov 2020
npx script for testing push messages, no installation required, supports iOS & Android
Contributions:11 releases, 76 commits, 1 PR in 4 months
pushreact-nativeapnsios-androidnpx
AndrejKolar/NetworkStack
Oct 2016 - Oct 2019
Clean & simple Swift networking stack playground
Contributions:39 commits, 2 PRs, 20 pushes in 3 years
stubbingnetworkingcleannetwork-monitoringswift
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