Loic Reyreaud
Software Engineer at Ecole pour l'informatique et les techniques avancées
Summary
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RockstarLoic Reyreaud is a software engineer with 11 years of experience focused on backend systems and distributed databases. Based in France and active in the Zurich tech scene, he contributes to high-impact open-source projects like Weaviate, where he has improved sharding, replication and node mapping in a cloud-native vector database. He excels at making core database functionality more robust and testable, showing an eye for subtle edge cases such as empty-shard handling. Comfortable working directly in large codebases and OpenAPI-driven APIs, he blends pragmatic engineering with a systems-level understanding of scalability and fault tolerance.
11 years of coding experience
Stackoverflow
52reputation
4kreached
7answers
7questions
Github Skills (19)
databases10
vector-database10
distributed-systems10
sharding10
go10
replication10
database10
api-design9
apim9
api9
grpc8
testing7
credentials6
amazon-dynamodb6
android-studio6
Programming languages (11)
Github contributions (5)
weaviate/weaviate
Oct 2023 - Apr 2025
Weaviate is an open-source vector database that stores both objects and vectors, allowing for the combination of vector search with structured filtering with the fault tolerance and scalability of a cloud-native database.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:688 reviews, 267 PRs, 589 pushes in 1 year 6 months
Contributions summary:Loic's commits primarily focused on modifying the Weaviate database's internal sharding and replication mechanism. The contributions included updating the `Shards` function to handle empty shards and adapting test cases to reflect the new behavior. They also updated the OpenAPI specifications to accommodate node mapping parameter, and implemented the code change to update the physical mapping with new node names. This suggests a focus on improving the core database functionality and its distributed nature.
approximate-nearest-neighbor-searchsemantic-search-enginehnswfaultsimilarity-search
reyreaud-l/dotfiles
Feb 2017 - Oct 2019
Contributions:113 pushes, 1 branch in 2 years 8 months
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