Jaroslav Sumbal
Engineering Team Lead at VESTBERRY
Slovakia
Summary
👤
Senior🎓
Top SchoolJaroslav Sumbal is an engineering team lead with 11 years of experience building user-centric software products from front-end UX to product strategy. Based in Slovakia, he progressed from junior engineering roles into UX design and product management before stepping into engineering leadership at VESTBERRY, giving him a rare combination of hands-on development, design sensibility, and product ownership. His MA in User Experience Design and a bachelor’s in Informatics underpin a pragmatic approach to translating complex client needs into intuitive, reliable systems. Known for bridging teams and disciplines, he focuses on shipping impactful features while aligning design, engineering, and business goals. A detail not obvious from titles alone: his career path shows a deliberate shift from crafting user experiences to steering cross-functional delivery, making him adept at both ideation and execution.
11 years of coding experience
5 years of employment as a software developer
Bachelor's degree Informatics, Bachelor's degree Informatics at Slovenská technická univerzita v BratislaveMaster of Arts (M.A.) User Experience Design, Master of Arts (M.A.) User Experience Design at Loughborough UniversityPrior Park College
English, Slovak, Spanish
Github Skills (36)
feature-flags9
gitter9
sketch-app8
react8
data-warehouse8
python8
ab-testing8
cdp8
javascript8
web-analytics7
analytics7
posthog7
typescript7
cryptocurrency7
slack7
Programming languages (6)
Github contributions (5)
Crakeh/ICP_pages
Oct 2015 - Dec 2015
Contributions:54 pushes in 1 month
Slaaavo/Saldo
Mar 2026 - May 2026
Contributions:10 pushes in 1 month
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.