Khaled Hosny
Type Designer & Font Engineer at Alif Type
Cairo, Cairo, Egypt
Summary
🤩
Rockstar🎓
Top SchoolKhaled Hosny is a Cairo-based type designer and font engineer with 18 years of experience building Arabic and mathematical typefaces and the software that powers complex text layout. He combines deep font-production craftsmanship at Alif Type with low-level contributions to flagship open-source projects such as HarfBuzz, fonttools, FontForge and Google’s WOFF2, improving shaping, compression and interoperability. His background as a physician-turned-developer informs a meticulous, evidence-driven approach to problem solving, from refactoring typesetting engines like SILE and XeTeX to resolving subtle Unicode and RTL localization bugs across Mozilla and Google projects. Khaled also mentors and leads localization efforts, having shaped UI directionality and Arabic support in tools like Pootle and OSS-Fuzz build pipelines. An aspiring calligrapher and avid reader, he brings both aesthetic sensitivity and systems-level rigor to typography and text-engineering challenges.
18 years of coding experience
4 years of employment as a software developer
Bachelor's degree, Medicine, Bachelor's degree, Medicine at Al-Azhar University
Arabic, English
Stackoverflow
3reputation
307reached
0answers
3questions
Github Skills (69)
python10
c1110
c1710
lua10
font-face10
screen10
typesetting10
build-automation10
screen-shot10
i18n-js10
translators10
fuzzer10
javascript10
django10
internationalization10
Programming languages (41)
Github contributions (5)
harfbuzz/harfbuzz
Jan 2014 - Jan 2023
HarfBuzz text shaping engine
Role in this project:
Back-end Developer
Back-end DeveloperContributions:46 releases, 250 reviews, 536 commits in 9 years 2 months
Contributions summary:Khaled primarily contributed to the HarfBuzz text shaping engine's low-level binding and API implementations. Their work focused on fixing and improving the binding functions for handling Unicode, language, and glyph properties. Furthermore, they addressed memory management issues, ensuring correct ownership of returned objects, and added documentation and annotations to the code.
aatharfbuzzc-plus-plusfontstext-shaping
fontforge/fontforge
Aug 2012 - Jul 2022
Free (libre) font editor for Windows, Mac OS X and GNU+Linux
Role in this project:Back-end Developer
Back-end DeveloperContributions:12 reviews, 203 commits, 41 PRs in 10 years
Contributions summary:Khaled primarily focused on enhancing the font editor's functionality by addressing build breakages and updating documentation to reflect code changes. Their work involved modifying code within core files like `splinefont.h`, `charinfo.c`, and `featurefile.c`, which likely involved addressing compiler errors and ensuring the proper functioning of core font editing features. These changes suggest contributions aimed at improving the software's stability and usability.
font-editormac-oswindowslibrelinux
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