Guillaume Smet
Title In Progress... at IBM
Lyon, Auvergne-Rhône-Alpes, France
Summary
🤩
Rockstar🎓
Top SchoolGuillaume Smet is a seasoned backend engineer and open-source leader with 22 years of experience, currently driving Quarkus core development within IBM’s middleware organization. He coordinates high-velocity release pipelines (60+ releases/year), authors and maintains multiple Quarkus extensions, and builds automation like the Quarkus GitHub App to streamline triage and delivery. A pragmatic troubleshooter, he routinely profiles applications, analyzes heap dumps and resolves production-like incidents, while also providing in-depth code reviews across projects. His contributions span influential projects such as Quarkus, Hibernate (ORM, Search, Validator), OpenRewrite and the Hub4j GitHub API—ranging from NoSQL support in Hibernate OGM to performance fixes in HikariCP. Based in Lyon, he blends hands-on engineering with community leadership and conference speaking, and quietly influences developer experience through tooling and website improvements for projects like the Quarkus website.
22 years of coding experience
22 years of employment as a software developer
Classes préparatoires MP - Lycée Faidherbe LilleCentrale Lyon
English, French
Stackoverflow
10,309reputation
628kreached
317answers
0questions
lucene
top-5%
hibernate
top-5%
spring-boot
top-5%
java
top-1%
spring
top-5%
validation
top-5%
Github Skills (76)
camelcase10
postgresql10
github10
testing10
multitenancy10
apache-camel10
integrations10
javas10
nosql-database10
maven10
rest-api10
refactoring10
web-development10
javascript10
data-serialization10
Programming languages (17)
Github contributions (5)
quarkusio/quarkus
Nov 2018 - Jan 2023
Quarkus: Supersonic Subatomic Java.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:235 releases, 8835 reviews, 8871 commits in 4 years 2 months
Contributions summary:Guillaume primarily contributed to the backend development of the Quarkus project. Their work involved fixing bugs, enhancing functionality, and optimizing existing components within the Vert.x framework. The user's contributions included registering codecs for subclasses for the Vert.x event bus, improving Docker detection with Unix sockets, and passing missing properties to Hibernate Reactive during startup. In addition, the user made improvements to the Docker detection by adding a small feature.
kubernetesquarkusjavareactivecloud-native
quarkusio/quarkusio.github.io
Mar 2019 - Jan 2023
Website for Quarkus project
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:515 reviews, 1558 commits, 707 PRs in 3 years 11 months
Contributions summary:Guillaume primarily contributed to the Quarkus website by modifying the website's layout, content, and functionality. Their work involved adding and improving community feedback sections, adjusting blog post layouts, and generating guide pages from YAML files. The user also made changes to improve consistency across the site, fix bugs, and update the website's content to match the Quarkus documentation. This included updates to Javascript and CSS files to improve the user experience.
spring-bootrubyjekyllquarkusjava
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