Julian Raschke
Freelance Software Engineer at lurado
Hamburg, Germany
Summary
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Rockstar🎓
Top SchoolJulian Raschke is a freelance software engineer based in Hamburg with 19 years of experience building native and cross-platform applications in C++, Objective-C, Flutter and occasionally Swift. He holds a Master's in Computer Science from Leibniz Universität Hannover and pairs deep systems-level skills with pragmatic app development for clients. A longtime open-source contributor, he has improved graphics and text rendering in the gosu 2D game library—fixing memory issues and enhancing text drawing APIs—which highlights a strong understanding of rendering pipelines and quality-focused testing. Fluent in both low-level performance work and higher-level UI stacks, Julian brings a rare blend of graphics expertise and product-minded engineering to freelance projects.
19 years of coding experience
Chinese Language and Literature, Chinese Language and Literature at National Sun Yat-Sen UniversityMaster's degree, Computer Science, Master's degree, Computer Science at Leibniz Universität Hannover
Chinese, German, English
Stackoverflow
166reputation
1kreached
5answers
0questions
Github Skills (11)
c-language10
game-development10
cprogramming-language10
graphics-programming10
testing9
windows6
dpi6
libgosu6
graphic6
ruby6
opengl4
Programming languages (20)
Github contributions (5)
gosu/gosu
Mar 2007 - Dec 2022
2D game development library for Ruby and C++
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:41 releases, 68 reviews, 3076 commits in 16 years
Contributions summary:Julian contributed to the game development library by implementing feature tests for image formats, enhancing text rendering with color support, and fixing memory issues. Their contributions included improvements to the test suite, the API for drawing text, and the core text drawing functionality, showcasing an understanding of graphics and text rendering techniques. These updates demonstrate an interest in improving the quality and functionality of the library.
gosu2d-gamec-plus-plusrubygame-development
gosu/ruby-app
Jul 2013 - Jan 2022
Contributions:6 releases, 35 commits, 13 pushes in 8 years 7 months
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