Summary
Arnošt 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
19 years of employment as a software developer
Master's degree, Applied Informatics, Ing., Master's degree, Applied Informatics, Ing. at University of Economics, Prague