Grzegorz Masłowski
Chief Technology Officer at Tenix
Rybnik, Silesian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolGrzegorz Masłowski is a seasoned technology leader and CTO with 12+ years of experience building cloud-native, IoT and fleet management systems, currently driving electrification and charging solutions at Saga Tenix AS. He combines hands-on expertise in JVM languages (Java, Scala, Groovy, Kotlin) with practical experience in Go, Node.js and embedded platforms like ESP8266, enabling end-to-end solutions from device to cloud. His background spans architecture, DevOps and data streaming—Kafka, Cassandra, MQTT—with a track record of delivering IoT platforms and fast-data pipelines in production. As a former architect and lead engineer he has also run Kubernetes and Kafka trainings, blending technical mentorship with hands-on delivery. He contributes to improving software quality in open-source projects (notably strengthening testing in a Jenkins Java client) and favors pragmatic, clean designs that scale. Based in Rybnik, Poland, he pairs strategic IT leadership and budget oversight with a continual appetite for bleeding-edge tooling and team growth.
12 years of coding experience
11 years of employment as a software developer
Master Computer Science, Master Computer Science at The Silesian University of Technology
English, German, Polish
Stackoverflow
774reputation
82kreached
34answers
0questions
Github Skills (18)
jenkins-api10
java10
javas10
junit10
mockito10
test-automation10
maven9
integration-testing8
jackson8
unit-testing8
tomcat6
compression6
spring-boot6
spring-mvc6
spring6
Programming languages (9)
Github contributions (5)
jenkinsci/java-client-api
May 2014 - Jan 2015
A Jenkins API client for Java
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:9 commits, 2 PRs, 5 comments in 8 months
Contributions summary:Grzegorz primarily focused on enhancing the project's testing infrastructure. Their contributions include differentiating between unit and integration tests, refactoring and renaming tests, and adding new test cases. They also addressed potential null pointer exceptions in the code and expanded the test coverage to include a "NOT_BUILT" status. The user also modified the project's dependencies, bumping up Jackson version.
jenkinsapiapi-clientjavajenkins-api
gmaslowski/brill
Jan 2015 - Jul 2017
Contributions:6 PRs, 11 pushes, 7 branches in 2 years 6 months
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