Yannick De Lange is a Senior Software Engineer based in Amsterdam with 12 years building and optimizing web applications, from pixel-perfect frontends to performance-critical backend services. He combines deep experience in PHP/Symfony and relational databases with Go for high-performance components and TypeScript-driven React/Angular frontends, plus Docker-based deployments and strong Git discipline. At Hostnet he has progressed from junior roles to senior engineering and briefly managed the engineering department, improving conversion and maintainability across web and e-commerce platforms. He also co-runs a startup (Prent) and contributes to open-source—improving Doctrine Collections to enhance naming flexibility and PHP compatibility—showing a focus on code quality and interoperability. Yannick enjoys simplifying complex problems into maintainable solutions, shifting fluidly between database optimization and finely tuned UI work.
12 years of coding experience
8 years of employment as a software developer
Master of Science (M.Sc.) Computer science and engineering, Master of Science (M.Sc.) Computer science and engineering at Eindhoven University of Technology
Bachelor ICT, Bachelor ICT at HZ University of Applied Sciences
Contributions summary:Yannick primarily focused on improving the `doctrine/collections` library. Their contributions involved enhancing the `ClosureExpressionVisitor` class by adding support for non-camel-case variable naming conventions, which improved the library's flexibility. They also fixed a compatibility issue related to array syntax in PHP 5.4 and made code style improvements, indicating a focus on code quality and compatibility. Furthermore, they addressed unused code within the test suite.
Libary for reading, transforming and writing image files
Contributions:8 releases, 26 commits, 17 PRs in 2 years 10 months
imageanimatedphpimage-processinglibary
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Yannick De Lange - Senior Software Engineer at Prent