Daniel Mendler
Stv. Teamleiter at TELENOT
Aalen, Baden-Württemberg, Germany
Summary
🤩
Rockstar🎓
Top SchoolDaniel Mendler is a seasoned engineering lead with 15 years of hands-on experience bridging embedded electronics and software development, currently serving as deputy team leader at Telenot in Aalen. He combines deep low-level C/C++ and systems work (filesystems, G-code controllers, libtommath) with prolific contributions to Emacs tooling and Ruby/Haskell ecosystems, evidencing fluency across languages and domains. Daniel’s open-source footprint spans backend core fixes and UX-focused polish—adding templating features to Slim, refining Emacs completion libraries (vertico, consult, corfu), and improving file icons and map generation—showing he moves fluidly between performance, correctness, and usability. Trained as a state-certified electrical engineer specializing in data communications, he uniquely pairs hardware/electronics grounding with broad software craftsmanship.
15 years of coding experience
Staatlich geprüfter Elektrotechniker Fachrichtung Datenkommunikationstechnik, Staatlich geprüfter Elektrotechniker Fachrichtung Datenkommunikationstechnik at DAA Technikum Würzburg
Github Skills (70)
python10
testing10
autocomplete10
navigationbar10
c1110
navigation-drawer10
refactor10
ruby10
c1710
font-face10
slim10
refactoring10
haskell10
file-management10
bitwise10
Programming languages (30)
Github contributions (5)
minad/corfu
Feb 2021 - Jan 2023
:desert_island: corfu.el - COmpletion in Region FUnction
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:105 reviews, 774 commits, 77 PRs in 2 years
Contributions summary:Daniel contributed to the development of the Corfu completion library, focusing on improving its functionality and user experience. Their work involved implementing support for features like completion cycling and keybindings. They were also responsible for enhancements to the documentation and interface, making improvements such as adjusted faces, along with refactoring and optimizations, indicating a good grasp of the library's internal workings and user-facing design. The user demonstrated the creation and maintenance of a dynamic completion UI.
desertregionoverlaycompletionisland
SciRuby/sciruby
Jun 2015 - Jun 2016
Tools for scientific computation in Ruby
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:163 commits, 6 PRs, 141 pushes in 1 year
Contributions summary:Daniel modernized the SciRuby project by refactoring legacy code into a meta gem, introducing a structure with a core gem and a full installation option. They implemented features for managing and autoloading SciRuby gems and modules. Furthermore, they updated the project's gem list, refined the autoloading mechanism, and contributed to improved presentation of gem information.
computationlapacksciencescientific-computingruby
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