Pierre Penninckx
Full Stack Senior Engineer at WEDO
Fribourg - Freiburg, Fribourg, Switzerland
Summary
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Rockstar🎓
Top SchoolPierre Penninckx is a Full Stack Senior Engineer with 13 years of experience building robust, observable systems and improving long-term maintainability of hardware and software. He has driven production upgrades, CI optimizations, and resilient services at scale—most recently architecting notification delivery with at-least-once guarantees and introducing stateful property testing at Fastly. Comfortable across Go, Haskell, Python and many paradigms, he champions Nix for reproducible dev environments and contributes to notable open-source efforts like reflex-platform and GenemuFormBundle. A pragmatic tester and git aficionado, he pairs thorough testing and documentation with automation to reduce toil and CI times dramatically. Beyond software he self-hosts services on an experimental Arch Linux family server, designs electronics projects (including a custom PIC-based IR remote), and advocates for privacy and data sovereignty. Based in Fribourg, Switzerland, he combines hands-on engineering with mentoring and cross-team knowledge sharing.
13 years of coding experience
11 years of employment as a software developer
Master of Applied Science (M.A.Sc.) Industrial Processes and Mecatronics, Master of Applied Science (M.A.Sc.) Industrial Processes and Mecatronics at Université libre de Bruxelles
French, English, Dutch
Stackoverflow
3,173reputation
374kreached
25answers
9questions
git-rebase
top-5%
git
top-5%
Github Skills (25)
javascript10
package-management10
nix10
forms10
php10
symfony10
symfony-ux10
package-manager10
eforms10
haskell10
testing9
git9
git-rebase9
frp9
functional-reactive-programming9
Programming languages (26)
Github contributions (5)
genemu/GenemuFormBundle
Aug 2012 - Oct 2012
Extra Form : Captcha GD, Tinymce, Recaptcha, JQueryDate, JQueryAutocomplete, JQuerySlider, JQueryFile, JQueryImage
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:10 commits in 1 month
Contributions summary:Pierre primarily worked on enhancing the `genemu/genemuformbundle` repository, focusing on the `Tokeninput` form type. Their contributions included upgrading the `tokeninput` library to version 2.*, implementing tests for the `TokeninputType`, and fixing parameters. Furthermore, the user modified the `ChoiceToJsonTransformer` to improve handling of the form data, addressing issues related to multiple and single selections. The user's work demonstrates expertise in form development and JavaScript library integration within a Symfony environment.
tinymcejqueryrecaptchajavascriptcaptcha
reflex-frp/reflex-platform
Aug 2020 - Aug 2020
A curated package set and set of tools that let you build Haskell packages so they can run on a variety of platforms. reflex-platform is built on top of the nix package manager.
Role in this project:Backend Developer
Backend DeveloperContributions:5 commits, 1 PR, 5 comments in 1 day
Contributions summary:Pierre's contributions primarily focus on managing dependencies within the Nix-based Haskell build environment. They addressed issues related to the `hspec-webdriver` package, including fixing its repository location, switching to Hackage versions, and resolving build failures by switching to a custom GitHub repo. These commits involve modifying the `default.nix` file to correctly fetch and integrate external Haskell packages into the project.
reflex-frppackage-setghcjsfunctional-reactive-programminghaskell
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