Robbert Grootjans
Director Of Engineering - Application Development
Randstad, Netherlands
Summary
👤
Senior🎓
Top SchoolRobbert Grootjans is a seasoned engineering leader with 16 years of experience, currently directing Application Development at Mendix and previously scaling teams as a Software Development Manager and Team Lead. He focuses on creating environments that enable regular delivery of high-quality, sustainable software rather than relying on firefighting. Technically grounded with an MSc in Computer Science from Delft, Robbert remains hands-on—contributing to notable open-source work on Project Lombok by improving annotation code generation, logging tests, and documentation. His background spans product management and senior development at TOPdesk, giving him a strong blend of product sensibility and engineering rigor. Based in the Randstad, he prioritizes maintainable engineering practices and measurable delivery cadence. An often overlooked strength is his knack for turning low-level language tooling improvements into broad productivity gains for teams.
16 years of coding experience
16 years of employment as a software developer
Master of Science - MS Computer Science, Master of Science - MS Computer Science at Delft University of Technology
Github Skills (9)
javas10
code-generation10
java10
annotations10
annotation-processing10
testing9
slf4j8
log4j8
eclipse7
Programming languages (8)
Github contributions (5)
projectlombok/lombok
Oct 2010 - Apr 2013
Very spicy additions to the Java programming language.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:45 commits in 2 years 5 months
Contributions summary:Robbert contributed to the Lombok project by implementing and modifying Java code generation related to annotations. They added test files for various logging frameworks, improving test coverage and ensuring compatibility with different logging implementations. Furthermore, the user refactored code related to compile-time constants and enhanced the documentation for the @Delegate, @PrintAST annotations, and implemented the @ExtensionMethod annotation. These changes suggest a focus on enhancing core Lombok features and improving code quality.
java-programming
grootjans/lombok.eclipsetest
Jan 2012 - Apr 2012
Contributions:45 commits in 2 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.