Onno Zweers
Systems Expert at Follow That Page
Amsterdam, North Holland, Netherlands
Summary
👤
SeniorOnno Zweers is a systems expert with 11 years of experience building and operating scalable storage solutions for science, currently enabling large-scale research data management at SURF. He contributes to the dCache project—software that powers distributed, high-volume scientific storage—and has a track record of back-end improvements, observability enhancements, and documentation fixes. Founder of Follow That Page, he also brings entrepreneurial experience in reliable web services for real‑world monitoring use cases. Based in Amsterdam, he pairs hands-on engineering with a passion for enabling discoveries from particle physics to genomics, and outside of work he channels creativity as a band member and proud father in a highly musical family.
11 years of coding experience
Github Skills (7)
javas10
storage10
logging10
dcache10
java10
data-structure9
data-structures9
Programming languages (13)
Github contributions (5)
dCache/dcache
Jun 2016 - Nov 2022
dCache - a system for storing and retrieving huge amounts of data, distributed among a large number of heterogenous server nodes, under a single virtual filesystem tree with a variety of standard access methods
Role in this project:
Back-end Developer
Back-end DeveloperContributions:63 commits, 53 PRs, 299 comments in 6 years 6 months
Contributions summary:Onno primarily focused on modifying and improving the `dCache` system's core functionality. Their contributions include fixing a typo in `SrmShell.java` related to permission settings, adding logging statements within the `pinmanager` and `UnpinProcessor` modules for enhanced monitoring, and addressing documentation issues related to the `rm ls` command. They also made minor code adjustments in areas like the `Gplazma2LoginStrategy` and fixing a typo in `Ldap.java`.
dcachevirtual-file-systemjavastoragedata-exchange
onnozweers/scripts
Mar 2016 - May 2021
Contributions:29 commits, 1 PR, 36 pushes in 5 years 3 months
pythonfitanywhereelse
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.