Jacek Rzexnik
DevOps Specialist at Cumulocity - The leading IoT Cloud Platform since 2010
Poland
Summary
👤
Senior🎓
Top SchoolJacek Rzexnik is a DevOps specialist with 13 years of experience building and operating highly available Linux-based infrastructure for cloud and IoT platforms. He combines deep Linux administration (RHEL/CentOS/Rocky), database and SQL/T-SQL expertise, and hands-on automation using Chef, Puppet, Helm charts and Ruby to deliver scalable, fault-tolerant systems. At Cumulocity he has focused on Kubernetes (self-managed HA clusters), AWS, clustering and orchestration for large distributed data sets, with additional strengths in mail transfer, e-mail security and custom load‑balancer logic (Nginx/.lua, HAProxy). His background spans startups and enterprise integrations, including designing scalable query infrastructures and performing complex migrations, which gives him a pragmatic appreciation for both low-level ops and application needs. Based in Poland, he brings a practical, security-minded approach to reliability engineering and often works at the intersection of automation, networking and data access patterns.
13 years of coding experience
17 years of employment as a software developer
SWPS Warsaw School of Social Psychology2001, 2001 at Community College
Github Skills (8)
sdk10
blockchain9
cumulocity9
hugo8
iot-analytics8
java8
commons7
iot5
Programming languages (2)
Github contributions (3)
Cumulocity-IoT/cumulocity-examples
Oct 2012 - Jun 2014
This repository contains example applications created using Cumulocity SDK.
Contributions:17 commits in 1 year 7 months
iot-analyticsblockchainsdkcumulocity-iotcumulocity
Cumulocity-IoT/cumulocity-clients-java
May 2014 - Mar 2017
This repository contains Cumulocity client libraries for Java. This is write-enabled version is synced with https://github.com/SoftwareAG/cumulocity-clients-java
Contributions:14 commits in 2 years 9 months
iot-analyticscommonscumulocity-clientclient-librariesjava8
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