Johann Zelger
Cloud Data Architect
Greater Munich Metropolitan Area Germany
Summary
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RockstarJohann Zelger is a Cloud Data Architect with 13 years of experience advancing cloud-native and data-driven platforms from Munich. He has grown through technical and executive roles at TechDivision—rising from developer to CIO and now focusing on cloud data architecture—combining hands-on systems design with leadership in innovation and engineering. Johann is an experienced backend engineer and open-source contributor, notably implementing multithreaded socket-based request handling for the PHP appserver project, which reflects deep familiarity with concurrent server architectures. He blends practical implementation skills with strategic oversight, routinely turning complex distributed and cloud problems into operational solutions. Colleagues rely on him for bridging low-level server engineering and high-level cloud data strategy.
13 years of coding experience
12 years of employment as a software developer
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (6)
socket-io10
php10
socket10
application-server10
thread10
multithreading10
Programming languages (11)
Github contributions (5)
appserver-io/appserver
Jul 2013 - Jan 2016
A multithreaded application server for PHP, written in PHP.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:7 releases, 732 commits, 211 PRs in 2 years 7 months
Contributions summary:Johann's contributions center around the development of a multithreaded application server for PHP. They implemented a thread-based receiver implementation, specifically focusing on socket-based request handling. This included the creation of `SocketThreadReceiver` and related classes like `SocketRequestAcceptor`, along with refactoring the threading mechanism to leverage worker configurations. The work involves core aspects of the server's architecture, handling client connections and processing requests within a multithreaded environment.
data-exchangephpserverphp72container
techdivision/magento2-docker-imgen
Apr 2017 - Nov 2018
Magento2 docker image generator
Contributions:2 releases, 36 commits, 28 PRs in 1 year 6 months
docker-imagemagento2dockerdocker-composeimage-generator
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