Ronald Barendse
Senior Developer at Umbraco
Naaldwijk, South Holland, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolRonald Barendse is a Senior Developer with 13 years of professional experience and over a decade focused on web technologies, currently contributing to the Umbraco Core CMS and commercial packages. An Umbraco Certified Professional, he blends deep .NET back-end expertise with practical CMS architecture and package development. He has a track record of improving and modernizing open-source projects—contributions include fixing edge-case file exceptions, updating obsolete methods, and enhancing nested content behavior in the widely used Umbraco CMS. Previously a lead web developer, Ronald brings leadership experience from long-term roles building and maintaining production web systems. He also contributed improvements to ImageProcessor, including async post-processing and S3 caching refinements, showing attention to performance and cloud integration. Based in Naaldwijk, Netherlands, he pairs hands-on coding with a pragmatic focus on maintainability and real-world deployment challenges.
13 years of coding experience
HAVO, HAVO at ISW TiendwegBachelor, ICT, Webtechnology, Bachelor, ICT, Webtechnology at Hogeschool Rotterdam
English, Dutch, German
Github Skills (10)
cms10
web-development10
asp-net-core10
csharp10
image-processing10
dotnet-core10
netframework10
asp-net9
database-design8
aws7
Programming languages (9)
Github contributions (5)
umbraco/Umbraco-CMS
Sep 2017 - Jan 2023
Umbraco is a free and open source .NET content management system helping you deliver delightful digital experiences.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 release, 386 reviews, 447 commits in 5 years 5 months
Contributions summary:Ronald's contributions primarily involved modifying and improving existing code within the Umbraco CMS project. The changes included updating obsolete methods, fixing exceptions related to temporary files, and addressing styling issues within the nested content components. The user also worked on merging branches, updating database structures, and mapping properties to back-office models, demonstrating experience in back-end development.
cmscontent-management-systemheadless-cmsaspumbraco
JimBobSquarePants/ImageProcessor
Jun 2018 - Jun 2020
:camera: A fluent wrapper around System.Drawing for the processing of image files.
Role in this project:Back-end Developer
Back-end DeveloperContributions:1 release, 7 commits, 17 PRs in 2 years
Contributions summary:Ronald primarily contributed to the `ImageProcessor.Web.Plugins.PostProcessor` component. Their work involved modifying the image post-processing logic, including updates to the `ProcessEx.cs` file to improve asynchronous process execution. They also worked on the `AmazonS3Cache` plugin, which involved changes related to cache key generation and remote file handling. Further modifications included code cleanup and refactoring.
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