Arnaud Gourlay
Software Engineer at Qdrant
Berlin, Germany
Summary
🤩
RockstarArnaud Gourlay is a Berlin-based software engineer with 14 years of experience building reliable, scalable back-end systems for cloud and database products. Currently at Qdrant, he focuses on back-end and database engineering—improving error reporting, data consistency, multi-vector search, and internal gRPC APIs for a high-performance vector database used in large-scale AI applications. His prior roles at Fauna and commercetools reflect deep expertise in distributed systems and production reliability. Known for pragmatic refactors and attention to edge cases, he combines systems-level thinking with hands-on coding to make complex infrastructure predictable and maintainable. A detail-oriented contributor, he often surfaces non-obvious failure modes and drives fixes that improve observability and cluster behavior.
14 years of coding experience
7 years of employment as a software developer
Stackoverflow
4,646reputation
373kreached
64answers
4questions
log4j
top-5%
spring-security
top-5%
spring
top-5%
dependency-injection
top-5%
scala
top-5%
java
top-5%
Github Skills (28)
rate-limiting10
data-consistency10
vector-database10
error-handling10
rust10
grpc10
testing9
java9
spring9
scala9
akka9
distributed-systems9
spring-security9
pomxml9
log4j9
Programming languages (16)
Github contributions (5)
qdrant/qdrant
Dec 2021 - Jan 2023
Qdrant - High-performance, massive-scale Vector Database and Vector Search Engine for the next generation of AI. Also available in the cloud https://cloud.qdrant.io/
Role in this project:
Back-end & Database Engineer
Back-end & Database EngineerContributions:2084 reviews, 190 commits, 1729 PRs in 1 year 1 month
Contributions summary:Arnaud made several contributions focused on improving the internal workings and reliability of the Qdrant database. They improved error reporting in collection loading, fixed compilation issues for tests, and refactored code to ensure proper handling of edge cases, such as those found in the rate-limiting and data consistency checks. The user also worked on optimizing the retrieval of data, implementing features such as multi-vector search. The contributions included adding and adjusting internal gRPC APIs for cluster management and ensuring the data consistency.
pythonapproximate-nearest-neighbor-searchhnswsimilarity-searchvector
agourlay/zip-password-finder
Aug 2022 - Jan 2023
Find the password of protected ZIP files.
Contributions:17 releases, 3 reviews, 54 commits in 5 months
protectedsecurityzippasswordzip-files
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