Bernhard Schmalhofer
Freelance Software Engineer at Bernhard Schmalhofer
Munich, Bavaria, Germany
Summary
👤
Senior🎓
Top SchoolBernhard Schmalhofer is a freelance software engineer based in Munich with over 21 years of experience building and maintaining web applications, database integrations, and bioinformatics tools, primarily using Perl. He has deep practical expertise in software integration, testing, data migration and ticketing systems, and has delivered customizations for OTRS/ITSM and bioinformatics web platforms. An active open-source contributor, he worked on the Parrot VM’s Lisp implementation and helped maintain the Rakudo Raku compiler, highlighting a focus on code quality, refactoring and test coverage. His academic background in physics informs a methodical, analytical approach to complex problems and legacy-system modernization. Known for quiet craftsmanship, he often improves long-lived projects through small, consistent maintenance and documentation efforts that reduce technical debt.
21 years of coding experience
13 years of employment as a software developer
Physics, Physics at Wesleyan UniversityDiplom, Physics, Diplom, Physics at University of Regensburg
German, English, French, bairisch, kréyòl lalwizyan
Stackoverflow
21reputation
0reached
2answers
0questions
Github Skills (15)
code-standards10
parrot10
coding-style10
lisp10
code-formatting10
raku10
text-editing9
perl9
code-generation8
php7
aspnet-web-api6
unit-testing6
ninject6
visual-studio6
ncrunch6
Programming languages (11)
Github contributions (5)
parrot/parrot
Feb 2005 - Aug 2010
Parrot Virtual Machine
Role in this project:
Back-end Developer
Back-end DeveloperContributions:2928 commits, 1 comment, 1 issue in 5 years 6 months
Contributions summary:Bernhard primarily contributed to the improvement of the Parrot Virtual Machine, specifically focusing on the Lisp language implementation. Their commits involved refactoring and enhancement of the Lisp compiler, including code restructuring, fixes for bugs related to core functions, and addition of new functionalities such as "let*" and a working "null?" implementation. The user also contributed by adding various constants used in PHP and in general by improving and implementing tests.
parrotvirtual-machine
rakudo/rakudo
Mar 2006 - Jan 2009
🦋 Rakudo – Raku on MoarVM, JVM, and JS
Role in this project:Back-end Developer & Code Maintainer
Back-end Developer & Code MaintainerContributions:52 commits in 2 years 10 months
Contributions summary:Bernhard primarily focused on code style and maintenance tasks within the Rakudo Raku compiler codebase. Their contributions include fixing trailing whitespace, correcting coding style issues, and ensuring the code adhered to established standards. Additionally, they addressed minor issues in documentation and corrected the file name in a documentation entry. This suggests a focus on code quality, consistency, and overall project maintainability.
rakudorakujavascriptmoarvmjvm
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