Lennart Dommer
Freelance Web-Developer at Mimic Software Lennart Dommer
Georgsmarienhütte, Lower Saxony, Germany
Summary
👤
Senior🎓
Top SchoolLennart Dommer is a freelance web developer with eight years of experience crafting bespoke web applications and process-optimizing software, primarily using PHP, Laravel (TALL stack), MySQL/MariaDB, and modern front-end tooling. Based in Georgsmarienhütte, Germany, he pairs pragmatic engineering with a productivity-focused workflow to deliver maintainable, efficient web apps tailored to client needs. He also contributes to open-source projects beyond PHP—most notably implementing and testing hue adjustment functionality in the Go image-processing repo disintegration/imaging—and created projects like ambientCG.com, AssetFetch and 3Dassets.one. Trained as an IHK-certified application developer and holding a BA in History and English/American Studies, he brings both technical rigor and clear communication to client engagements. He offers free initial consultations to scope projects and align technical solutions with business processes. His background in content-heavy and asset-oriented projects gives him an edge when building systems that integrate media, tooling and developer-friendly workflows.
8 years of coding experience
Bachelor of Arts - BA, Geschichte und Anglistik / Amerikanistik, gut (2,3), Bachelor of Arts - BA, Geschichte und Anglistik / Amerikanistik, gut (2,3) at Universität PaderbornAusbildung (IHK), Fachinformatiker Anwendungsentwicklung, gut (86 von 100 Punkten), Ausbildung (IHK), Fachinformatiker Anwendungsentwicklung, gut (86 von 100 Punkten) at Industrie- und Handelskammer Osnabrück - Emsland - Grafschaft Bentheim
German, English
Github Skills (4)
image-processing10
go10
testing10
resize4
Programming languages (12)
Github contributions (5)
disintegration/imaging
Sep 2020 - Dec 2020
Imaging is a simple image processing package for Go
Role in this project:
Back-end Developer / QA Engineer
Back-end Developer / QA EngineerContributions:7 reviews, 10 commits, 1 PR in 2 months
Contributions summary:Lennart primarily focused on implementing and testing a hue adjustment function within the image processing package. They added the `AdjustHue` function, fixed an issue related to the shift value interpretation, and added comprehensive test cases to ensure its functionality across various scenarios. These contributions involved modifying existing code, writing new functions, and creating tests to validate the image processing operations.
golangrotateimagecropblur
AssetFetch/spec
Feb 2024 - Mar 2025
The official AssetFetch specification
Contributions:5 releases, 60 PRs, 216 pushes in 1 year 1 month
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