Marc Nilius is a seasoned web technologist and entrepreneur with 16 years of experience building and supporting WordPress sites and front-end applications. As Geschäftsführer of WP-Wartung24 he provides hands-on technical maintenance, security audits, performance tuning and migrations for agencies, freelancers and site owners, while also running libertello GmbH where he leads projects, sales and customer success. His background includes deep JavaScript and frontend engineering from roles at OTRS and InterRed, and a diploma in computer science from Universität Siegen. Known for translating technical complexity into reliable, low-friction operations, he combines developer-level troubleshooting with commercial experience—an asset for organizations that need both strategic oversight and day-to-day site stability.
16 years of coding experience
4 years of employment as a software developer
Diplom, Informatik, Diplom, Informatik at Universität Siegen
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