Guillaume Gardey
Senior Staff Data Engineer
Barcelona, Catalonia, Spain
Summary
👤
Senior🎓
Top SchoolGuillaume Gardey is a Senior Staff Data Engineer based in Barcelona with 14 years of professional experience and a PhD in Computer Science from Centrale Nantes, combining deep academic grounding with broad industry leadership. He has led data and platform initiatives across fintech and consumer tech at Trade Republic, Glovo and startups he co-founded, specializing in scalable data architectures, cloud & ML platforms. Known for pragmatic engineering, he moves between hands-on systems work (including backend contributions to open-source Python tooling like a FastAPI/Starlette rate limiter) and shaping cross-functional teams. His career spans consultancy and in-house roles at major banks and enterprise tech, giving him a rare blend of regulatory, performance and product-driven perspectives. Peers describe him as an architect who keeps a developer’s eye on tests and edge cases, ensuring reliability in production-scale data systems.
14 years of coding experience
16 years of employment as a software developer
Doctor of Philosophy (Ph.D.) Computer Sciences, Doctor of Philosophy (Ph.D.) Computer Sciences at Centrale Nantes
French, English
Github Skills (6)
fastapi10
python10
starlette10
pytest9
asgi8
uvicorn7
Programming languages (2)
Github contributions (5)
laurentS/slowapi
Dec 2020 - Dec 2020
A rate limiter for Starlette and FastAPI
Role in this project:
Back-end Developer
Back-end DeveloperContributions:3 reviews, 6 commits, 2 PRs in 4 days
Contributions summary:Guillaume primarily contributed to the `slowapi` project, which is a rate limiter for Starlette and FastAPI. Their work included bug fixes related to decorator functionality, specifically addressing how the rate limiter handles responses and headers. They also improved test coverage and formatting within the testing framework. The contributions indicate a focus on backend logic and ensuring correct behavior of the rate limiting functionality.
asgipythonuvicornasynciorate-limiter
glinmac/glinmac.github.io
Dec 2015 - Jan 2020
Contributions:14 pushes, 3 branches in 4 years 1 month
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