Jos Ahrens
Senior Engineer II at DigitalOcean
Arnhem, Gelderland, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolJos Ahrens is a senior backend and platform engineer with 12 years of experience building resilient CI/CD, developer productivity tooling, and large-scale deployment systems across companies like DigitalOcean, HackerOne, and trivago. He leads platform efforts that span GitHub Enterprise integrations, A/B testing tooling, standardized deployments and incident response, pairing hands-on engineering with operational ownership. An active open-source contributor and longtime IRC enthusiast, he has contributed to high-profile projects such as ZNC and GitHub's services integration, improving IRC realname handling and core bouncer behavior. Jos also brings a security-minded perspective from bug bounty hunting and security duties at HackerOne, which informs his work on DevSecOps and secure developer workflows. Based in Arnhem, Netherlands, he combines deep backend expertise (including monolith upgrades across languages and PHP migrations) with a community-oriented streak—organizing charity events and participating in hackerspaces. Colleagues know him for pragmatic leadership, shipping measurable reliability improvements, and an eye for developer experience that reduces toil.
12 years of coding experience
8 years of employment as a software developer
Software Engineering, Computer Software Engineering, Software Engineering, Computer Software Engineering at WindesheimSoftware Engineering, Computer Software Engineering, Software Engineering, Computer Software Engineering at Alfa College Groningen
English, Dutch, German
Stackoverflow
466reputation
33kreached
9answers
4questions
Github Skills (21)
c-language10
testing10
ruby10
zinc10
github-services10
irc10
cprogramming-language10
package-development9
debug9
plugin-development9
drupal-module9
debugging8
api-design8
php6
string-comparison6
Programming languages (22)
Github contributions (5)
github/github-services
Aug 2015 - Jul 2016
Legacy GitHub Services Integration
Role in this project:
Back-end Developer
Back-end DeveloperContributions:13 commits, 3 PRs, 16 comments in 11 months
Contributions summary:Jos primarily worked on the backend service for the IRC integration within the GitHub services repository. Their contributions focused on enhancing the IRC service's functionality, specifically adding the GitHub username and repository information to the IRC realname for improved identification and debugging. The user implemented changes to ensure the realname accurately reflected the repository owner and handled cases for private repositories, improving the information displayed. Furthermore, they added tests to validate the realname formatting and repository privacy handling.
github-servicesintegration-services
znc/znc
Jan 2015 - Jun 2019
Official repository for the ZNC IRC bouncer
Role in this project:Back-end Developer
Back-end DeveloperContributions:39 commits, 54 PRs, 140 comments in 4 years 5 months
Contributions summary:Jos primarily contributed to the ZNC IRC bouncer codebase by addressing various issues and implementing enhancements. Their work involved fixing bugs related to channel joining, correcting help syntax, and improving the functionality of existing modules like 'sasl', 'clientnotify', and 'blockmotd'. Several commits focused on enhancing the user experience, such as providing clearer instructions and warnings. They also made changes to the core code, including adding debugging features and improving the expand string functionality.
irczncbouncerirc-bouncer
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