Tim Lochmüller
Chief Technology Officer at HDNET
Bielefeld, North Rhine-Westphalia, Germany
Summary
👤
Senior🎓
Top SchoolTim Lochmüller is a seasoned technology leader and CTO with 12+ years of hands-on experience building and evolving web ecosystems, particularly around TYPO3, WordPress and Magento. He progressed from an apprentice application developer to leading backend engineering and now shaping technical strategy at HDNET, combining deep extension development skills with SEO/SEM know-how. Tim is an active contributor to the TYPO3 core—fixing backend issues, improving live search and optimizing database interactions—underscoring his commitment to open source quality. His background blends formal IT and management studies with a vocational start in application development and parallel electrical engineering education, giving him both practical craftsmanship and systems-level perspective. He also runs a long-standing technical blog, signaling a passion for knowledge sharing and community involvement. Colleagues rely on him for pragmatic architecture, reliable backend implementations and measurable improvements to CMS performance and usability.
12 years of coding experience
4 years of employment as a software developer
Master of Science (M.Sc.), IT-Management and Information Systems, Master of Science (M.Sc.), IT-Management and Information Systems at Fachhochschule der Wirtschaft (FHDW)Bachelor of Science - BS, Wirtschaftspsychologie, Bachelor of Science - BS, Wirtschaftspsychologie at Hamburger Fern-Hochschule
German, English
Github Skills (9)
databases10
cms10
php10
querying10
back-end-development10
typo310
database10
content-management9
content-management-system9
Programming languages (5)
Github contributions (5)
TYPO3/typo3
Jul 2013 - Jan 2018
The TYPO3 Core - Enterprise Content Management System. Synchronized mirror of https://review.typo3.org/q/project:Packages/TYPO3.CMS
Role in this project:
Back-end Developer
Back-end DeveloperContributions:25 commits in 4 years 6 months
Contributions summary:Tim primarily contributed to the TYPO3 CMS core, focusing on bug fixes and feature enhancements related to backend functionalities. Their work included addressing issues in the MailUtility by correcting line breaking logic and removing unnecessary function calls to improve performance. They also modified the DatabaseConnection class to remove strlen calls and fixed a domain redirect issue. The user also added features to the backend live search for improved record access.
cmsmanagement-systemphpsynchronizedtypo3-cms
lochmueller/html5videoplayer
May 2015 - Nov 2022
Contributions:7 releases, 103 commits, 19 PRs in 7 years 7 months
cmstypo3-cms-extensionphptypo3-cmstypo3
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