Duncan Casteleyn
Software Engineer
Belgium
Summary
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RockstarDuncan Casteleyn is a software engineer based in Belgium with 11 years of hands-on experience concentrating on Java and Kotlin development and a strong interest in operations. He balances backend engineering with DevOps-minded practices, often spending free time building and refining personal Kotlin projects. Known for pragmatic problem-solving, he brings a blend of production-focused coding and operational thinking to improve reliability and delivery. His ongoing investment in Kotlin work hints at deepening expertise in modern JVM tooling and ecosystem best practices.
11 years of coding experience
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (172)
github10
package-management10
api-client10
spring-data10
websocket10
spring-security10
fits10
chat10
rest-api10
scanner10
api10
sdk10
rest10
azure-devops10
tech-blog10
Programming languages (15)
Github contributions (5)
Ordina-Group/JWorks-blog
Feb 2024 - Mar 2025
Ordina JWorks Business Unit Tech Blog
Contributions:46 reviews, 43 PRs, 38 pushes in 1 year
DuncanCasteleyn/renovate
Feb 2023 - Sep 2023
Universal dependency update tool that fits into your workflows.
Contributions:36 pushes, 7 branches in 7 months
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