Alex Stockinger
Public Speaker at Freiberuflich
Munich, Bavaria, Germany
Summary
🤩
Rockstar🎓
Top SchoolAlex Stockinger is a seasoned software engineer and public speaker based in Munich with 11 years of experience building cloud-native systems, Kubernetes tooling, and high-performance Java back-ends. He combines hands-on development and test automation—demonstrated by contributions to the widely used HiveMQ MQTT client where he improved encoder compatibility and SSL/SNI handling—with leadership experience as a lead engineer and architect. A frequent conference speaker on Java, Kubernetes, and testing, he bridges deep implementation skills with clear technical communication. He also has practical DevOps fluency in Go and container ecosystems, often focusing on making complex distributed systems reliable and testable.
11 years of coding experience
6 years of employment as a software developer
Universität Passau
Stackoverflow
3,049reputation
147kreached
11answers
7questions
junit
top-1%
Github Skills (19)
ssl10
tls1210
testing10
mqtt10
tls1310
java10
mqttnet10
javas10
junit10
backpressure9
reactive-programming8
integration-testing6
garbage-collection6
orm6
test-container6
Programming languages (9)
Github contributions (5)
hivemq/hivemq-mqtt-client
Jul 2018 - Aug 2019
HiveMQ MQTT Client is an MQTT 5.0 and MQTT 3.1.1 compatible and feature-rich high-performance Java client library with different API flavours and backpressure support
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:8 commits, 2 PRs, 10 pushes in 1 year
Contributions summary:Alex primarily focused on improving the MQTT client's testing framework. They replaced existing MQTT3 encoder tests with tests comparing the encoded output with Paho's output, ensuring compatibility. Additionally, the user made modifications to enable SNI during SSL handshake initialization and restructured SslUtil to use DelegatingSslContext for handler creation. Furthermore, the user added `NotNull` annotations and refactored code.
reactorrxjavafeature-richhivemqjava-client
dajudge/testee.fi
Jun 2017 - Dec 2017
Contributions:393 pushes, 26 branches, 5 comments in 6 months
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