Daniel Dettlaff
Software Engineer at VerKnowSys
Poland, Sweden
Summary
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SeniorDaniel Dettlaff is a seasoned DevOps engineer, sysadmin and developer with 18 years of experience building and maintaining robust server infrastructure and automation tooling. Based in Gdynia, he has a proven track record of rescuing and modernizing large fleets of legacy systems—most notably migrating and updating 250+ machines for a provider that now serves 400k+ clients—using tools he authored like Sofin and Shable. A prolific open-source maintainer, his projects span Rust, Elixir and shell script and include krecik (self-scalable host checker), svdOS (HardenedBSD-based server OS) and sysapi, reflecting deep systems and security focus. He actively contributes to HardenedBSD testing and combines hands-on systems engineering with infrastructure automation and lightweight orchestration for production at scale.
18 years of coding experience
Github Skills (200)
timeseries-database10
multithreading10
perl10
chat10
command-line-tool10
influxdb10
weechat10
qemu10
utm10
api10
karabiner10
prometheus10
nodejs10
viewer10
sublime10
Programming languages (18)
Github contributions (5)
VerKnowSys/Shable
Dec 2017 - Oct 2022
Ansible replacement, written in pure Sh
Contributions:666 commits, 4 PRs, 404 pushes in 4 years 11 months
ansible
VerKnowSys/lw
Mar 2019 - Oct 2022
Contributions:80 commits, 38 pushes, 1 branch in 3 years 7 months
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