Jorrit Schippers is a seasoned freelance web developer with over 26 years in software and more than a decade focused on web programming, building content-driven sites early in his career and evolving into back- and front-office systems for diverse businesses, currently concentrating on travel. He brings hands-on expertise across PHP, C#/.NET, MySQL, SQL Server, Linux/Windows Server and modern front-end technologies, and has maintained long-term projects including a custom CMS and forum for Xboxworld.nl. A University of Twente MSc in Telematics, Jorrit combines practical leadership experience—having led web teams and shipped production systems—with a penchant for incremental improvements, evidenced by open-source contributions to notable projects like Hot Chocolate GraphQL, SonataAdminBundle and Strapi. Notably, his OSS work spans both backend fixes and subtle UX/configuration improvements, reflecting an engineer who cares about developer experience as well as runtime stability.
26 years of coding experience
MSc, Telematics, MSc, Telematics at University of Twente
Contributions:9 reviews, 19 commits, 20 PRs in 2 years 11 months
Contributions summary:Jorrit made several contributions to the SonataAdminBundle, primarily focused on improving its functionality and documentation. They addressed bug fixes, such as correcting checkbox/radio button layouts and fixing issues with automatically marking actions as virtual. Furthermore, the user enhanced the documentation for custom field types, callback filters, and child admins. These changes suggest a focus on both the backend (fixing functionalities) and the frontend (improving layout), as well as ensuring clear documentation.
Welcome to the home of the Hot Chocolate GraphQL server for .NET, the Strawberry Shake GraphQL client for .NET and Nitro the awesome Monaco based GraphQL IDE.
Role in this project:
Back-end Developer
Contributions:8 commits, 15 PRs, 25 comments in 1 year 10 months
Contributions summary:Jorrit primarily contributed to the back-end aspects of the GraphQL platform. They fixed spelling errors, updated and autogenerated help texts related to the tooling, and marked obsolete methods in the codebase. The user also added support for reading untyped JSON values and improved the GraphQLClientException message.
popgraphql-serverc-sharpapollo-linkgraphql-dotnet
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Jorrit Schippers - Freelance (web) Developer at nCode