Jeroen Boonstra
System & Network Engineer at cldin
Ragunda, Jämtland County, Sweden
Summary
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SeniorJeroen Boonstra is a seasoned System & Network Engineer with 11+ years of experience designing resilient cluster architectures, load balancing, MySQL optimization, and open source integrations for web hosting and email platforms. Based in Ragunda, Sweden, he combines hands-on systems engineering roles with entrepreneurial experience as founder of one of the Netherlands’ largest tech-support communities, helpmij.nl. His open-source contributions to PowerDNS web interfaces demonstrate full-stack chops—adding DNSSEC management and UX improvements—alongside meticulous backend maintenance on legacy PHP tooling. Comfortable across infrastructure, databases and frontend touches, he’s known for pragmatic solutions that improve operational clarity and long-term maintainability.
11 years of coding experience
23 years of employment as a software developer
Github Skills (20)
javascript10
web-application10
admin10
powerdns10
php10
dns10
html10
mysql9
flask-ask9
python9
flask9
restful-api7
api-design7
api-rest7
rest-api7
Programming languages (3)
Github contributions (5)
poweradmin/poweradmin
Jan 2017 - Jan 2017
A web-based control panel for PowerDNS
Role in this project:
Back-end Developer
Back-end DeveloperContributions:12 commits, 2 PRs in 2 days
Contributions summary:Jeroen primarily focused on maintaining and updating the Poweradmin codebase. Their contributions involved fixing indentation issues to improve code readability and updating copyright notices in multiple PHP files across the project, ensuring the correct attribution and licensing information. The user also updated the list of valid top-level domains, indicating an understanding of the web application's configuration and potentially its DNS management functionality. This suggests a focus on code quality and keeping the project up-to-date.
web-basedphppanelpowerdnsphp8
PowerDNS-Admin/PowerDNS-Admin
Feb 2018 - Mar 2018
A PowerDNS web interface with advanced features
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:21 commits, 1 PR, 2 comments in 1 month
Contributions summary:Jeroen primarily contributed to the frontend and backend of the PowerDNS-Admin web interface. They implemented features such as exporting the PowerDNS version to the frontend, adding a DNSSEC configuration and management UI, and adding the ability to disable the same. Changes include modifications to both Python (backend) and JavaScript/HTML (frontend) files. These changes improved user experience by exposing important information, and expanded functionality.
web-interfaceradiusvpnpowerdns-adminpdns
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