Heiko Braun
Senior Engineering Manager at SIXT
Munich, Bavaria, Germany
Summary
🤩
Rockstar🎓
Top SchoolHeiko Braun is a senior engineering manager with over 16 years of hands-on and leadership experience building and operating large-scale Java-based platforms, currently leading platform engineering at SIXT from Munich. A former principal engineer and long-time Red Hat contributor, he combines deep systems and middleware expertise (notably work on WildFly and WildFly Core) with a proven track record of shipping developer-facing frameworks and infrastructure. Heiko excels at scaling teams and processes—hiring through Series A at startups and establishing governance and delivery workflows in enterprise SaaS environments. Known for pragmatic architecture and developer empathy, he balances operational rigor with a collaborative, ego-free culture that accelerates time-to-market. Beyond management, he continues to contribute meaningful backend code and architecture in open-source communities, bridging product needs with technical stewardship.
16 years of coding experience
27 years of employment as a software developer
Master of Science in Computing (Software Engineering), Master of Science in Computing (Software Engineering) at The Open University
French, English, German
Github Skills (22)
api-rest10
api-design10
restful-api10
testing10
health-check10
configuration-management10
microservices-application10
java10
javas10
http-server10
wildfly10
jax-rs10
pact10
rest-api10
microservices10
Programming languages (16)
Github contributions (5)
thorntail/thorntail-examples
Dec 2015 - Feb 2018
Examples of how to write applications using Swarm.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:48 commits, 22 PRs, 31 pushes in 2 years 2 months
Contributions summary:Heiko primarily contributed to examples showcasing contract-based testing, incorporating Pact for consumer-driven contracts. They implemented and refactored code related to JAX-RS resources and endpoints, including examples for health checks. Furthermore, the user integrated and updated configurations for project stages and XML configurations. They also updated the project to support the latest health API.
swarm
thorntail/thorntail
Jan 2016 - Apr 2018
Source code for the Thorntail project
Role in this project:Back-end Developer
Back-end DeveloperContributions:212 commits, 207 PRs, 120 pushes in 2 years 3 months
Contributions summary:Heiko primarily focused on the implementation and integration of Java-based services and configurations for the Thorntail project. Their contributions involved modifying core runtime components, incorporating new features such as the ability to configure a Consul address, and establishing health check endpoints. The user also contributed to the addition of new XML configuration via parser factories within the messaging and other subsystems, reflecting a focus on service enhancements and infrastructure integration. Further commits reveal improvements to the underlying architecture to remove deprecated or unused resources within a complex ecosystem.
javathorntailmavenmicroservices
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