Fabien Renaud
Software Engineer at Google
Mill Valley, California, United States
Summary
🤩
Rockstar🎓
Top SchoolFabien Renaud is a seasoned software engineer with 11 years of experience building high-performance, production-grade backend systems and developer tooling. Based in Mill Valley, he has driven architecture and delivery at scale at Zynga—leading teams that operate services processing tens of billions of requests per day—and now contributes to Google. He specializes in Java-based distributed systems, performance optimization, and secure infrastructure, with hands-on experience migrating large services across EC2, ECS and EKS. An active open-source contributor, he has improved core behavior in the Micronaut framework and built and refined a widely used Java JSON benchmarking suite to make serialization testing more flexible and accurate. Colleagues rely on him for refactors that yield major performance gains and for pragmatic standards and tooling that improve developer productivity. He pairs formal CS training from ENSEEIHT and Georgia Tech with a practical knack for turning messy legacy systems into reliable, testable platforms.
11 years of coding experience
10 years of employment as a software developer
Master, Computer Science, 3.55, Master, Computer Science, 3.55 at Georgia Institute of TechnologyMaster, Computer Science and Applied Mathematics, 3.32, Master, Computer Science and Applied Mathematics, 3.32 at ENSEEIHT - Ecole Nationale Supérieure d'Electrotechnique, d'Electronique, d'Informatique, d'Hydraulique et des Télécommunications
French, English
Stackoverflow
76reputation
590reached
5answers
0questions
Github Skills (25)
json10
scripting10
benchmarking10
bash10
micronaut10
java10
javas10
http-client10
script10
sh10
shell10
microservices-application9
refactoring9
microservices9
serverless8
Programming languages (8)
Github contributions (5)
fabienrenaud/java-json-benchmark
Jun 2016 - Nov 2021
Performance testing of serialization and deserialization of Java JSON libraries
Role in this project:
Back-end Developer
Back-end DeveloperContributions:69 reviews, 100 commits, 72 PRs in 5 years 5 months
Contributions summary:Fabien primarily focused on improving the project's build and runtime scripts, enabling more flexible and targeted benchmark runs. These changes allowed for individual benchmark execution, improving the testing process. Furthermore, the user refactored and added new benchmarks for various JSON serialization and deserialization libraries. Their contributions directly enhanced the functionality and testability of the Java JSON benchmark project.
json-serializationjsonpathdeserializationjsonbtesting
micronaut-projects/micronaut-core
Nov 2019 - Dec 2019
Micronaut Application Framework
Role in this project:Back-end Developer
Back-end DeveloperContributions:7 commits, 7 PRs, 44 comments in 23 days
Contributions summary:Fabien primarily focused on enhancing the Micronaut framework's core functionality. They addressed inefficiencies in argument handling, optimized media type processing, and improved the usage of conversion contexts. Additionally, the user made modifications to the HTTP client to better handle error responses and specialized exception types. The contributions involved code refactoring, bug fixes, and the introduction of new features to improve the overall performance and stability of the Micronaut framework.
groovyserverlessmicronautframeworkkotlin
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