Arnold Schrijver
Idea Rider at engagingspaces.io
Netherlands
Summary
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RockstarArnold Schrijver is an interdisciplinary software practitioner and social experience designer with 12 years of experience exploring humane technology, community facilitation, and back-end engineering. Currently leading ideation at engagingspaces.io and active in the Humane Tech Community and Innercircles, he blends fieldwork in social impact with pragmatic engineering perspectives gained at Backbase and EPAM. Arnold contributes to notable open-source projects such as the GraphQL Java implementation—adding directive support and improving introspection—demonstrating deep backend fluency alongside his community-focused work. He studies technology that mimics natural harmony rather than technosphere hype, aiming to nurture a “peopleverse” and hedonic commons-driven peer production. Based in the Netherlands, he pairs poetic framing and systems thinking with hands-on code and facilitation experience.
12 years of coding experience
Dutch, English, German, Spanish
Stackoverflow
3,646reputation
549kreached
45answers
11questions
nestjs
top-5%
nio
top-5%
java
top-5%
multithreading
top-5%
netty
top-5%
react-native
top-5%
Github Skills (23)
wpgraphql10
java10
javas10
wordpress-graphql10
graphql10
introspection10
graphql-java10
testing9
react-native9
netty9
nestjs9
multithreading9
nio9
protocols6
vertx6
Programming languages (36)
Github contributions (5)
graphql-java/graphql-java
May 2016 - Oct 2016
GraphQL Java implementation
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 commits, 5 PRs, 70 comments in 5 months
Contributions summary:Arnold primarily contributed to the implementation and enhancement of the GraphQL Java implementation. They added support for directive locations, deprecated old methods, and improved test output. Furthermore, the user added an introspection query to the codebase and included a new overload of GraphQLEnumType.Builder.value(), indicating a strong understanding of the project's core functionalities.
javagraphql-javagraphql
innercircles/community-central
Dec 2017 - Apr 2021
Contributions:26 commits, 19 pushes, 2 branches in 3 years 5 months
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