Jeroen Van Den Berghe
Web Developer at MEDIALAAN - de Persgroep Publishing
Ghent Metropolitan Area Belgium
Summary
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RockstarJeroen Van Den Berghe is a frontend web developer with 12 years' experience building high-performance news websites for major media brands, blending strong HTML/CSS/JavaScript skills with front-end performance engineering in Java environments. Based in the Ghent area, he has hands-on experience across large-scale sites like HLN.be, demorgen.be and Volkskrant.nl, and a track record of optimizing real-world delivery and metrics. He contributes to open-source performance tooling—improving Sitespeed.io’s Graphite integration and CLI budgeting—and has strengthened locale-aware tooling by adding comprehensive Dutch tests and fixes to the Chrono date parser. Comfortable spanning front-end and back-end performance concerns, he brings a practical, test-driven approach and attention to real-user metrics that keeps content-heavy sites fast and reliable.
12 years of coding experience
Dutch, English
Stackoverflow
798reputation
204kreached
8answers
17questions
Github Skills (26)
javascript10
performance-analytics10
performance-monitor10
testing10
date-parsing10
graphite10
performance-measurement10
performance-analysis10
natural-language-processing10
nodejs10
nlp10
performance-monitoring10
metric10
unit-testing9
configuration-management9
Programming languages (14)
Github contributions (5)
wanasit/chrono
Jan 2021 - Feb 2021
A natural language date parser in Javascript
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:20 commits, 1 PR, 2 comments in 3 days
Contributions summary:Jeroen primarily focused on enhancing the natural language date parser, 'chrono', by adding comprehensive tests for Dutch language (nl) casual date and time expressions, including those with ranges. They corrected language-specific issues by refactoring and implementing correct language handling, particularly for Dutch locale-specific features. The user implemented various tests, including slash date formats, month expressions and more to ensure robust date parsing for the Dutch locale.
date-parserjavascriptnatural-languagenaturalparser
sitespeedio/sitespeed.io
Aug 2015 - Feb 2017
sitespeed.io is an open-source tool for comprehensive web performance analysis, enabling you to test, monitor, and optimize your website’s speed using real browsers in various environments.
Role in this project:Back-end Developer & Performance Engineer
Back-end Developer & Performance EngineerContributions:5 commits, 5 PRs, 31 comments in 1 year 6 months
Contributions summary:Jeroen focused on improving the integration with Graphite, implementing changes to the namespace structure for metrics. They also added a configuration option to handle domain section updates for Graphite data. Furthermore, the user enhanced the command-line interface (CLI) by allowing budget configurations to be specified directly via the CLI and improved integration with WebPageTest scripts.
monitorbest-performanceuser-apispeedindexcoach
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