Sébastien Deleuze
Master Software Engineer at Broadcom
Greater Lyon Area France
Summary
🤩
Rockstar🎓
Top SchoolSébastien Deleuze is a Master Software Engineer with 10+ years building and evolving the Spring ecosystem, now a core committer at Broadcom focused on runtime efficiency, Kotlin support and GraalVM/CRaC integration. He led Spring Native and introduced Kotlin, CORS and null-safety into Spring, driving performance and modern language ergonomics across Spring MVC and WebFlux. A recognized Google Developer Expert for Kotlin (and formerly Dart), he actively shapes WebAssembly and JVM null-safety standards through cross-industry working groups. Based in the Greater Lyon area, he combines deep systems-level expertise with practical platform thinking—working to make Tanzu the optimal home for Spring apps—while quietly championing functional DSLs like Spring Fu that steer the framework’s future.
10 years of coding experience
19 years of employment as a software developer
University Diploma of Technology Computer Systems Networking and Telecommunications, University Diploma of Technology Computer Systems Networking and Telecommunications at Université Grenoble AlpesEngineer's degree Computer Science and Information Technology, Engineer's degree Computer Science and Information Technology at INSA Lyon - Institut National des Sciences Appliquées de Lyon
French, English
Stackoverflow
6,100reputation
918kreached
55answers
0questions
kotlin
top-5%
spring-mvc
top-1%
spring-webflux
top-5%
spring-security
top-1%
java
top-5%
spring-data-jpa
top-5%
Github Skills (139)
consumer-driven-contracts10
spring-data10
proxy10
spring-security10
security10
theia10
eclipse10
microservices10
cloud-native10
reactor10
r2dbc10
spring-graphql10
spring-native10
spring-mvc10
netflix-eureka10
Programming languages (1)
Github contributions (5)
spring-projects/spring-framework
Jan 2019 - Mar 2023
Spring Framework
Contributions:141 releases, 4 PRs, 1465 comments in 4 years 2 months
spring-bootspring-frameworkframeworkspringjava
spring-projects/spring-security
Feb 2016 - Mar 2023
Spring Security
Contributions:1 PR, 1589 comments, 1327 issues in 7 years 2 months
spring-bootspring-frameworksecurityframeworkspring
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