Marc Bennewitz
Staff Software Engineer at Conductor
Berlin, Germany
Summary
👤
Senior🎓
Top School
Top expert inWeb Development and E-commerce Solutions with PHP
Marc Bennewitz is a Staff Software Engineer based in Berlin with 16 years of experience building high-performance backend systems and leading cross-functional engineering teams. He has led end-to-end development of a SaaS analytics platform for TV and OOH advertising, implementing scalable architectures, CI/CD, and test-driven practices while managing a distributed team of 11 engineers. Marc is a pragmatic hands-on tech lead who has migrated legacy systems, optimized real-time ad delivery, and introduced patented re-targeting solutions and analytics pipelines. His open-source contributions to prominent PHP projects like Zend Framework and thephpleague/oauth2-server show deep expertise in refactoring, performance optimization, and modernizing legacy code toward immutability and spec compliance. Comfortable across PHP, Python, and system-level tooling, he pairs architectural vision with detailed core refactors that improve reliability and performance. Outside of core product work he’s known for turning complex ad tech problems into practical, production-ready systems that reduce bugs and operational cost.
16 years of coding experience
18 years of employment as a software developer
Staatlich geprüfter Kaufmännischer Assistent, Datenverarbeitung und Rechnungswesen, Staatlich geprüfter Kaufmännischer Assistent, Datenverarbeitung und Rechnungswesen at Best-Sabel-BildungszentrumIT-System-Kaufmann, IT-System-Kaufmann at Oberstufenzentrum Industrie und Datenverarbeitung
German, English
Github Skills (21)
unit-testing10
serializable10
serializer10
event-handling10
back-end-development10
zend-framework10
object-oriented-programming10
phpunit10
serialization10
deserialization10
php10
code-generation10
authorization-server10
oauth2-server10
oauth10
Programming languages (16)
Github contributions (5)
zendframework/zend-eventmanager
Jul 2011 - Mar 2017
Implement event systems, signal slots, intercepting filters, and observers.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:56 commits, 6 PRs, 26 comments in 5 years 8 months
Contributions summary:Marc focused on enhancing the event management system within the repository. They implemented features related to attaching and detaching handler aggregates, ensuring proper functionality. The user also optimized the trigger mechanism for listeners and made performance improvements. These changes involved core refactoring and optimization of the event system's components.
signalfiltersdispatcherevent-drivenslots
zendframework/zendframework
Jul 2010 - Feb 2015
Official Zend Framework repository
Role in this project:Back-end Developer
Back-end DeveloperContributions:478 commits, 2 PRs, 30 comments in 4 years 7 months
Contributions summary:Marc primarily contributed to the Zend Framework's serializer component by implementing improved object serialization for PythonPickle and resolving PHP 6 Unicode conversions. They also fixed various internal method and variable names within the PythonPickle adapter. Furthermore, they updated and fixed tests related to the Zend Serializer and Igbinary adapters.
zend-framework
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