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Hi there 👋

Work Experience

In the overview below you will find my most recent work experience:


Software Engineer (SWE) and Site Reliability Engineer (SRE)
Warpnet • Full-time
Languages & Technologies: Python, Django, C++, JavaScript, GoLang, SaltStack, Prometheus
Featured Projects: salt-lint, vscode-salt-lint


Site Reliability Engineer (SRE)
KPN • Contract
Languages & Technologies: RHEL, Python, Ansible

Dienst Uitvoering Onderwijs (DUO)

DevOps Engineer
DUO • Contract
Languages & Technologies: Python, SaltStack, Ansible, RHEL, OpenShift

Please find me on LinkedIn for a more detailed description of my full work experience, education and certification.

Blog Posts

In the overview below you will find the featured posts of my blog, automatically updated by GitHub Actions:


I would like to thank everyone who has supported me in my open-source contributions and projects. I should mention at least a few of them:

  • Warpnet B.V., which is also my employer, for giving me the freedom to contibute to whatever open-source project I do see fit and spend a significant portion of my work time doing this.
  • Every open-source contributor and maintainer who has ever reviewed any of my contributions, or just replied to the issues I've raised.
  • Several companies that found a way to support my work:
    • TransIP for (temporary) providing me with free credits to test the deployment of VPSs in several open-source project.

If you would like to support my work in open-source, consider sponsoring me or get in touch with me via email, Twitter, or LinkedIn.


  1. Python wrapper for the TransIP API. It allows you to create, read and update resources on TransIP with ease using Python.

    Python 6 1

  2. A command-line utility that checks for best practices in SaltStack.

    Python 87 23

  3. A curated list of awesome Prometheus resources, projects and tools.

    1k 120

  4. A Django app for sending SMS with interchangeable backends.

    Python 24 4

  5. airpods Public

    AirPods sound quality fixer and battery life enhancer for macOS.

    AppleScript 19 1

  6. dotfiles Public

    Repository containing Roald Nefs's personal dotfiles.

    Shell 1

667 contributions in the last year

Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Mon Wed Fri

Contribution activity

October 2021

Opened 4 pull requests in 4 repositories
roaldnefs/python-transip 1 merged
roaldnefs/django-sms 1 merged
warpnet/django-nacl-fields 1 merged
warpnet/salt-lint 1 merged
Reviewed 6 pull requests in 3 repositories
warpnet/salt-lint 2 pull requests
roaldnefs/.vim 2 pull requests
rolfberkenbosch/meteoalert-api 2 pull requests

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