Sebastian Grewe
Senior DevOps Engineer at XING
Greater Kiel Area Germany
Summary
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Rockstar🎓
Top SchoolSebastian Grewe is a Senior DevOps Engineer based in the Greater Kiel Area with 12 years of hands-on experience managing Linux environments from small setups to large-scale production. At XING since 2014 he applies deep systems and automation expertise built earlier in game and service companies like Bigpoint and Wandering Samurai Studios, covering release engineering, virtualization migrations, and day-to-day ops. He contributes to open-source projects such as the MPOS mining portal, where he focused on backend stability, wallet management and database improvements—an example of his attention to reliability and maintainability. Comfortable scripting, administering LAMP stacks and designing monitoring/automation, Sebastian pairs practical system administration skills with a drive to simplify operations through tooling and configuration.
12 years of coding experience
7 years of employment as a software developer
Abitur, Biology, Geography, Abitur, Biology, Geography at Ernst-Barlach-GymnasiumBrüder Grimm SchuleFachinformatiker Systemintegration, IT, English, Economics, Fachinformatiker Systemintegration, IT, English, Economics at Berufliche Schule Kiel Gaarden
German, English, French
Github Skills (8)
php10
back-end-development10
mysql10
mpo9
cryptocurrency9
mining9
sql8
git7
Programming languages (8)
Github contributions (5)
MPOS/php-mpos
Aug 2013 - Jul 2019
MPOS stands for Mining Portal Open Source. Issue tracker is now closed since it's not maintained anymore.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:12 releases, 652 commits, 109 PRs in 6 years
Contributions summary:Sebastian primarily contributed to the back-end functionality of the MPOS project. Their work included updating core PHP files related to wallet management, statistics, and database structure. They also made configuration changes, fixed spelling errors, and addressed bug fixes identified in the issue tracker, improving the stability and maintainability of the mining pool software. Further contributions involved updating versioning and adding coin classes for testing.
open-source-portalminingtrackermposforum
TheSerapher/chef-vsftpd
Mar 2014 - Jan 2017
Contributions:2 releases, 14 commits, 7 PRs in 2 years 10 months
ftpvsftpdcookbookchef
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