Jose De Ory is a Staff Engineer based in Cádiz, Spain with nine years of professional software experience and a strong background in backend and functional programming. He has led Scala-based microservice development for fintech at Xebia/Banno using Cats, Http4s, Doobie, FS2 and Kafka, and tools like Kubernetes, Datadog and GitHub Actions to operate production systems. As an experienced contributor to the prominent Arrow Kotlin library, he has driven API deprecations and refactors across core types like Either and Ior, showing a careful approach to library evolution and backward compatibility. His early career spans embedded and desktop systems in C++/Qt and data-driven projects in .NET, giving him a broad systems perspective beyond cloud services. Colleagues value him for combining hands-on coding with project leadership—he has also managed projects and contributed to multiple open-source initiatives inside and outside his organizations.
9 years of coding experience
19 years of employment as a software developer
Engineer's degree Computer Science, Engineer's degree Computer Science at Universidad de Cádiz
Licence Informatique, Licence Informatique at University of Lille 1 Sciences and Technology
Bachelor's degree Computer Science, Bachelor's degree Computer Science at Universidad de Córdoba
Λrrow - The perfect companion for your Kotlin journey - Inspired by functional, data-oriented and concurrent programming
Role in this project:
Back-end Developer
Contributions:81 reviews, 14 PRs, 57 pushes in 5 years 2 months
Contributions summary:Jose's contributions focused on deprecating and refactoring methods within the `arrow-kt/arrow` library, specifically targeting APIs related to `Ior`, `Either`, `Result`, and `Nullable`. The commits involved modifying and replacing deprecated functions with suggested alternatives, demonstrating a strong understanding of the library's internal structure and API evolution. The user's work aimed to streamline the codebase and prepare it for future versions.
Contributions:2 PRs, 6 pushes, 2 branches in 3 years 9 months
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