Christian Vermorken

Amsterdam, North Holland, Netherlands

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Summary

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Rockstar

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Top School

Christian Vermorken is a pragmatic software engineer and Scrum Master with six years' experience building domain-driven, event-sourced systems and advising on why and how software should be built. Rooted in Delft's computer science programs, he combines hands-on backend development with strategic product insight, frequently turning stakeholder needs into prioritized, maintainable designs. He contributes to notable open-source work such as AxonFramework—improving TokenStore segment handling and race-condition safety—which reflects his focus on robust event-driven architectures. Comfortable bridging engineering and product, he excels at weighing trade-offs and guiding teams toward pragmatic, long-term solutions that enable organizational change.

6 years of coding experience

TU Delft

MSc, Computer Science, MSc, Computer Science at Delft University of Technology

Spanish, English, Dutch

Github Skills (8)

javas10

cqrs10

event-handling10

event-sourcing10

java10

domain-driven-design10

jdbc9

jpa9

Programming languages (3)

JavaCSSHTML

Github contributions (5)

AxonFramework/AxonFramework

Oct 2021 - Mar 2022

Framework for Evolutionary Message-Driven Microservices on the JVM

Role in this project:

Back-end Developer

Contributions:9 reviews, 42 commits, 7 PRs in 4 months

Contributions summary:Christian primarily contributed to the back-end functionality of the Axon Framework, specifically focusing on enhancements related to the `TokenStore`. They added a new `fetchAvailableSegments` method to the `TokenStore` implementations, optimizing the retrieval of available segments. Further contributions involved refactoring the `fetchAvailableSegments` method to return a List of Segments instead of int[] and adding methods to prevent race conditions. These changes impacted the core event handling and processing mechanisms of the framework.

event-sourcingaxon-frameworkaxoncqrsperformance

Vermorkentech/context-migration

Jun 2023 - Oct 2024

Contributions:1 push in 1 year 4 months

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