Manuel Kießling
Contractor at JOBOO!
Wesel, North Rhine-Westphalia, Germany
Summary
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Rockstar🎓
Top SchoolManuel Kießling is a pragmatic software architect and contractor with 15 years of experience building resilient platforms, leading engineering teams, and operating Linux/AWS infrastructure. He blends test-driven and domain-driven design practices with hands-on Infrastructure-as-Code and database administration to deliver maintainable systems across e-commerce and SaaS domains. As former CTO and Head of Technical Platform, he has steered product and ops strategy at companies like MyHammer, MeinAuto and Galeria Kaufhof, and today balances executive leadership with day-to-day engineering and consulting. An avid open-source user, contributor and tech-book author, Manuel is deliberate about learning and often translates complex operational concerns into clear developer tooling. Currently evaluating and building AI tooling at Mercor while still serving as JOBOO!'s CTO, he pairs strategic vision with practical implementation. Based in Wesel, Germany, he’s also a father of two—bringing the patience and priorities of real-world systems to team leadership.
15 years of coding experience
12 years of employment as a software developer
General higher education entrance qualification (Abitur), General higher education entrance qualification (Abitur) at Pascal Gymnasium GrevenbroichIT Specialist - Systems Integration, IT Specialist - Systems Integration at IHK
German, English, Hungarian
Stackoverflow
656reputation
18kreached
7answers
2questions
Github Skills (200)
uploader10
material-ui10
uppy10
encoding10
modular10
tld10
bash-shell10
go-application10
webbrowser10
dog10
symfony10
nodejs10
user-management10
restful10
php10
Programming languages (16)
Github contributions (5)
manuelkiessling/nodebeginner.org
Apr 2011 - Nov 2022
A comprehensive Node.js tutorial for beginners
Contributions:1 review, 662 commits, 25 PRs in 11 years 9 months
node-jsjavascriptfor-beginnersnodejscomprehensive
journeymonitor/monitor
Jun 2015 - Mar 2017
Contributions:45 releases, 49 pushes, 2 branches in 1 year 9 months
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