Heinz Hölzer
Software Engineer at Self-Employed
Hamburg, Germany
Summary
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Rockstar🎓
Top SchoolHeinz Hölzer is a software engineer with 14 years of professional experience, based in Hamburg, Germany, and running his own consultancy since 2007. He has a strong background in web application development, having served as a Senior Web Application Developer at BungartBessler and contributing hands-on across full-stack projects. An active open-source contributor, Heinz has worked on the Haxe cross-platform toolkit, improving compiler internals, language interoperability, and runtime behaviors—work that reflects deep familiarity with language tooling and back-end systems. He holds a Bachelor's in Media Informatics from Fachhochschule Wedel, combining formal multimedia-focused training with long-term practical engineering. Known for tackling compiler and interoperability edge cases, he brings a pragmatic mindset to complex technical problems and a track record of shipping durable, language-level fixes.
14 years of coding experience
2 years of employment as a software developer
Bachelor's Degree, Media Informatics, Bachelor's Degree, Media Informatics at Fachhochschule Wedel
German, English
Github Skills (11)
haxe10
compiler-design10
transpiler9
new-language9
php9
lang9
develop9
transcode9
language-design9
interpreter7
regular-expression7
Programming languages (13)
Github contributions (5)
HaxeFoundation/haxe
Jul 2013 - Sep 2018
Haxe - The Cross-Platform Toolkit
Role in this project:
Back-end Developer
Back-end DeveloperContributions:345 commits, 36 PRs, 117 pushes in 5 years 2 months
Contributions summary:Heinz primarily contributed to the Haxe compiler, focusing on implementing and fixing features related to language compilation and the interoperability of Haxe with other languages. Their work included improvements to PHP-related timestamp conversions, adding alias functionality for exposing abstract fields, and addressing regular expression matching issues. Additionally, the user modified the compiler's internal representation of metadata and expression types and addressed issues in the interpreter.
macroscppopenflcompilertranspiler
frabbit/veins-di
Feb 2015 - Jun 2015
Contributions:31 commits, 3 PRs, 28 pushes in 3 months
injection-frameworkcompile-timeinjectiondependency-injection-frameworkcompile
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