Jonathan Derrough
Founding Software Engineer at Stealth
Berlin, Germany
Summary
👤
Senior🎓
Top SchoolJonathan Derrough is a founding software engineer with 14 years of hands-on experience building end-to-end web, mobile, and backend systems, currently based in Berlin. He thrives at the intersection of architecture, delivery automation and quality engineering, guiding projects from ideation and estimates through specification, implementation and CI/CD industrialization. Comfortable wearing many hats, he has led mobile teams for large clients, partnered on creative agency and game-studio projects, and now helps a stealth startup scale. An active open-source contributor and ML tinkerer, he improved face-api.js by implementing robust face descriptor serialization and tests—showing attention to reproducibility and production-ready ML features. Colleagues describe him as a relentless builder who pairs technical rigor with mentorship and skills transfer to avoid organizational blind spots.
14 years of coding experience
16 years of employment as a software developer
EpitechGame Designer, Game and Interactive Media Design, Game Designer, Game and Interactive Media Design at ISART DIGITAL Paris
English, French
Stackoverflow
21reputation
1kreached
1answer
2questions
Github Skills (11)
face-detection10
tensorflowjs10
javascript10
face-recognition10
unit-testing9
uwp6
bluebird6
nodejs6
xamarin6
linq-to-twitter6
appointment6
Programming languages (8)
Github contributions (5)
justadudewhohacks/face-api.js
Aug 2019 - Aug 2019
JavaScript API for face detection and face recognition in the browser and nodejs with tensorflow.js
Role in this project:
ML Engineer
ML EngineerContributions:8 commits, 1 PR, 5 comments in 2 days
Contributions summary:Jonathan implemented and tested core functionalities for the `face-api.js` library, specifically focusing on the `FaceMatcher` and `LabeledFaceDescriptors` classes. Their contributions included adding methods for JSON serialization and deserialization, along with unit tests to validate these functionalities. These changes directly enhanced the library's capability for face recognition and management of face descriptors.
emotion-recognitiontensorflowjsface-recognitiontensorflowbrowser
jondewoo/UnitySlippyMap
Jul 2012 - Sep 2017
A slippy map implementation written in C# for Unity3D
Contributions:1 review, 87 commits, 2 PRs in 5 years 2 months
tilemapslippy-mapmap-matchingcsharpunity
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.