Sven Hettwer
Tech Lead - Logging Platform
Dusseldorf, North Rhine-Westphalia, Germany
Summary
🤩
Rockstar🎓
Top SchoolSven Hettwer is a pragmatic tech lead with nine years of experience building and operating cloud-native systems, currently leading the Logging Platform at IBM from Düsseldorf. Trained in computer science at Hochschule Bochum, he started in Java backends and third-party integrations before embracing the JavaScript ecosystem and full-stack development. He combines hands-on DevOps—shipping containerized apps on Docker, OpenShift/Kubernetes and occasional AWS—with a strong focus on software quality, test automation and efficient CI/CD. A regular contributor to testing-focused open-source projects like nut.js and Citrus, he brings practical QA improvements and CI stability to complex integration scenarios. Known for fostering team collaboration and clean code, he also brings subtle ops intuition to bridge development and platform reliability.
9 years of coding experience
9 years of employment as a software developer
Bachelor of Science - BS Computer Science, Bachelor of Science - BS Computer Science at Hochschule Bochum 
German, English
Stackoverflow
53reputation
3kreached
7answers
1question
Github Skills (29)
testng10
testing10
java10
javas10
test-automation10
integration-testing10
javascript9
typescript9
uitest9
http9
typescript-types9
spring-boot9
automation9
nodejs9
ui-testing9
Programming languages (10)
Github contributions (5)
citrusframework/citrus
Dec 2017 - Jun 2021
Framework for automated integration tests with focus on messaging integration
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:1 review, 594 commits, 85 PRs in 3 years 6 months
Contributions summary:Sven contributed to the integration testing framework, implementing new test cases, parameterizing tests, and enhancing context management for variables. The changes primarily involved adding new tests and test configurations, specifically related to testing data providers and handling variables within the test context. Furthermore, the user addressed an issue within the HTTP client by creating a copy of the initial message in the HTTP Message content builder, which likely improved the robustness of the tests.
test-automationtestingautomationintegration-testsmicroservices
nut-tree/nut.js
May 2020 - Mar 2021
Native UI testing / controlling with node
Role in this project:QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:1 release, 11 reviews, 26 commits in 9 months
Contributions summary:Sven focused on testing and quality assurance for the `nut.js` project, a native UI testing/controlling framework. Their contributions primarily involved adding and refining tests, specifically addressing issues related to region offsets and image comparison. They also implemented tests to validate error messages and improved the stability of the CI pipeline by adding timer tolerance.
test-automationnativeelectrondesktop-automationtesting
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