Jan De Haan
DevOps Engineer at ProfitMetrics.io
Overijssel, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolJan De Haan is a pragmatic DevOps engineer based in Overijssel, Netherlands, who helps SaaS teams evolve founder-built infrastructures into resilient, ISO-aware production environments. With a long career starting in the 1980s and focused DevOps roles since 2016, he blends deep Linux and networking experience with hands-on AWS, Terraform, Ansible, Docker and CI/CD automation. He has delivered fully 100% IaC self-hosting environments and on-the-fly environment creation for development workflows, bringing operational rigor to fast-moving product teams. Comfortable across legacy enterprise stacks and modern cloud platforms, Jan pairs scripting and tooling (Python, shell, Packer) with practical security and observability know-how. His trajectory from network and NMS engineering to current DevOps work gives him an uncommon perspective on infrastructure reliability and migration risk.
1 year of coding experience
37 years of employment as a software developer
Information Technology, Information Technology at Christelijke Hogeschool WindesheimHigh School, HAVO, High School, HAVO at De Lage WaardInformation Technology, Information Technology at IHBO Eindhoven
English, Dutch
Github Skills (4)
cli9
rust8
one-time-password2
authentication1
Programming languages (2)
Github contributions (2)
dalance/procs
Mar 2025 - Mar 2025
A modern replacement for ps written in Rust
Contributions:6 reviews in 4 days
rustcli
archiecobbs/mod-authn-otp
Jul 2025 - Jul 2025
Apache module for one-time password authentication
Contributions:1 comment in 1 day
authenticationone-time-password
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