Jakub Kleň
Owner at Sandbox s.r.o.
Brno, South Moravia, Czechia
Summary
🤩
Rockstar🎓
Top SchoolJakub Kleň is an experienced iOS developer and entrepreneur with 12 years in mobile and web software, currently running his own company, Sandbox s.r.o., from Brno. He has held senior iOS roles across startups and specialized firms including Curated, INLOOPX and a banking software company, bringing production-grade expertise in iOS and macOS apps. His background spans freelance consulting to product-focused teams, giving him both client-facing delivery skills and long-term product ownership. Known for practical, platform-native solutions, he balances clean architecture with pragmatic engineering to ship reliable user experiences. Although focused on Apple platforms, he also brings web development know-how that helps bridge front-end and mobile needs. Colleagues would describe him as a steady senior technologist who transitions smoothly between hands-on coding and running a small engineering business.
12 years of coding experience
13 years of employment as a software developer
Gymnázium P.O. Hviezdoslava
English
Stackoverflow
2,962reputation
287kreached
25answers
22questions
uiscrollview
top-5%
scp
top-5%
ssh
top-5%
paramiko
top-5%
timeout
top-5%
Github Skills (58)
debug10
python10
django-framework10
django10
apple-push-notifications10
orm10
panels10
web-framework10
request-response10
timeout9
ssh9
uiscrollview9
scp9
paramiko9
api8
Programming languages (5)
Github contributions (5)
kukosk/JKKeyboard
Feb 2014 - Jul 2021
Contributions:7 releases, 33 commits, 7 pushes in 7 years 6 months
kukosk/SwiftUITemplates
May 2021 - Jan 2022
Contributions:5 pushes, 1 branch in 8 months
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