Sanne Grinovero
Senior Principal Software Engineer at Red Hat
Stony Stratford, England, United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolSanne Grinovero is a Senior Principal Software Engineer with 18+ years building high-performance Java platforms, notable as the long-time Hibernate community lead and a founding member of the Quarkus team. He blends deep JVM and concurrency expertise with practical experience in distributed systems, NoSQL, full-text search and performance troubleshooting, often contributing critical fixes and optimizations across projects like Quarkus, WildFly, Infinispan and SmallRye Mutiny. A Java Champion and prolific OSS contributor, he has hands-on experience tuning GraalVM and the OpenJDK and improving allocator and interceptor behavior to reduce latency and memory pressure. Comfortable in both architect and hands-on roles, he has led cross-community engineering efforts at Red Hat and now continues that work at IBM while living near London. Less obvious: his contributions span from low-level JVM and protocol tweaks (nanosecond sleep in JGroups) to developer ergonomics in quickstarts and build-time refactors, reflecting a rare mix of systems-level rigor and developer-facing polish.
18 years of coding experience
6 years of employment as a software developer
Faculdade de Engenharia da Universidade do PortoPolitecnico di MilanoLiceo Scientifico
Dutch, Italian, Portuguese, English, Spanish, French, Latin
Stackoverflow
6,107reputation
327kreached
265answers
0questions
java
top-5%
lucene
top-1%
hibernate
top-1%
Github Skills (47)
asynchronous10
lucene10
jvm10
back-end-development10
async10
testing10
hibernate-orm10
jgroups10
hibernate-search10
jdbc10
java10
stream10
javas10
hibernate10
infinispan10
Programming languages (15)
Github contributions (5)
hibernate/hibernate-ogm
Mar 2011 - Jun 2018
Hibernate OGM - Domain model persistence for NoSQL datastores
Role in this project:
Back-end Developer
Back-end DeveloperContributions:406 commits, 162 PRs, 86 pushes in 7 years 4 months
Contributions summary:Sanne contributed to Maven configuration, injecting version numbers into the code. They made several code cleanup and refactoring changes across multiple files, including JPA and Hibernate configuration. The user also worked on defining and implementing logic for interacting with Infinispan, a NoSQL datastore, through various code modifications and tests. The contributions included setting up tests, and ensuring proper initialization and usage of the Infinispan caches.
domain-modeljdbcormmongodbdatabase
quarkusio/quarkus
Jun 2018 - Dec 2022
Quarkus: Supersonic Subatomic Java.
Role in this project:Back-end Developer
Back-end DeveloperContributions:715 reviews, 1380 commits, 754 PRs in 4 years 7 months
Contributions summary:Sanne primarily contributed to the Hibernate ORM extension, with commits centered around upgrades, refactoring, and adaptations to changes within the Hibernate ecosystem. They upgraded the Hibernate ORM version and refactored the HibernateOrmProcessor by breaking down build steps. Further contributions included improvements to multitenancy support and general maintenance tasks. Their work involved integrating with and adapting to changes in Hibernate Reactive and Envers, suggesting a focus on maintaining the core functionality of the ORM.
kubernetesquarkusjavareactivecloud-native
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