Benno Crombeen is a seasoned technology executive and founder with 15+ years building high-throughput, highly available marketing technology systems from the Netherlands. As a Fractional CTO and serial founder, he blends hands-on engineering across web, mobile (iOS) and backend stacks with strategic delivery leadership at scale. His technical breadth spans PHP, Objective-C, JavaScript, Java, Scala and Erlang, and deep experience with MySQL, Postgres, Elasticsearch, Redis and big-data tools like Spark and Presto. He has led large teams and programs (notably as CTO at Emark/VML) integrating complex martech ecosystems for global brands. An active contributor to open-source (improving FRAPI’s backend XML parsing, router refactor and test modernizations), he pairs pragmatic code-level fixes with architecture decisions. Benno’s background in biomedical sciences and continued professional certification reflects a curiosity-driven approach to solving complex, cross-disciplinary problems.
14 years of coding experience
16 years of employment as a software developer
Biomedical Sciences, Biomedical Sciences at Vrije Universiteit Amsterdam (VU Amsterdam)
BSc, Computer Software Engineering, BSc, Computer Software Engineering at Hogeschool van Amsterdam
FRAPI is an API Open Source framework, run it within your hosting environment parallel to your web app, mobile service or legacy system.
Role in this project:
Back-end Developer
Contributions:8 commits in 6 months
Contributions summary:Benno primarily contributed to the Frapi framework's back-end functionality, focusing on improvements to XML parsing and output formatting. They addressed issues related to error handling within XML parsing, refactoring exceptions, and updating tests to be compatible with newer PHPUnit versions. Additionally, the user fixed issues with the memcache tests and refactored the Router class and also expanded tabs to spaces for code quality.
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Benno Crombeen - Technology Consultant (contractor) at VIA Outlets