Arnošt Havelka
Senior Java Engineer at ČEPS, a.s.
Prague, Czechia
Summary
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Senior🎓
Top SchoolArnošt Havelka is a seasoned Java development leader with 13+ years of experience designing and delivering complex backend systems, currently leading development at Deutsche Börse. He combines hands-on JavaEE and microservice architecture expertise with proven skills in database and XSD design, integration, and solving high-impact issues like performance and non-functional challenges. Former team and solution lead at major firms including Atos, O2 and Asseco, he has managed and mentored teams of up to 20 developers while influencing technology and solution direction. Known for bridging architecture and delivery, he brings practical Big Data curiosity (Lambda patterns) and a track record of turning thorny integration problems into robust, maintainable systems. Based in Prague, he pairs deep technical craft with leadership that scales across enterprise environments.
13 years of coding experience
28 years of employment as a software developer
Master's degree, Applied Informatics, Ing., Master's degree, Applied Informatics, Ing. at University of Economics, Prague
Github Skills (54)
pdf-document10
ccpa10
consumer-driven-contracts10
spring10
yeoman-generator10
generator10
digital-signature10
java10
webpack10
spring-boot10
pdf-generation10
testing9
svn9
archiving9
accessibility9
Programming languages (4)
Github contributions (5)
arnosthavelka/presentation
Mar 2013 - Apr 2020
All my public presentations
Contributions:161 commits, 6 PRs, 80 pushes in 7 years 2 months
arnosthavelka/itext-poc
Dec 2016 - Oct 2022
POC of iText framework usage.
Contributions:22 commits, 12 PRs, 148 pushes in 5 years 11 months
itext
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