Xiufeng Guo
Founder at xTom GmbH
Sydney, New South Wales, Australia
Summary
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RockstarXiufeng Guo is a founder and entrepreneur with 11 years of experience building companies in the information technology and services space, based in Sydney. He specializes in IP networking and server administration, blending hands-on infrastructure expertise with business leadership across multiple xTom entities. Comfortable launching and operating across jurisdictions (Germany and Estonia entities), he focuses on resilient, scalable backend systems and pragmatic operations. Beyond engineering, he invests in memorable domain names like s.ee and c.at, reflecting a keen sense for digital assets and brand positioning. Known for steady execution, he combines technical depth with an operator’s instinct for product-market fit.
12 years of coding experience
Chinese, English
Github Skills (200)
google-analytics10
plausible-analytics10
dns-resolver10
chat10
pastebin10
middleware10
shorturl10
ghost10
css10
php10
privacy10
bash10
mezzio10
activitypub10
cpu10
Programming languages (21)
Github contributions (5)
dns-sb/DoT
Mar 2019 - Jul 2022
DNS Over TLS
Contributions:15 commits, 19 pushes, 1 branch in 3 years 4 months
dnsdns-over-tls
Showfom/documentation
Jun 2017 - Oct 2024
Full documentation repository for Mastodon
Contributions:8 pushes in 7 years 5 months
mastodon
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