Thibault Deutsch
Site Reliability Engineer, Global Lead at Arista Networks
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolThibault Deutsch is a product-minded Site Reliability Engineer and global lead with 13 years of experience designing and operating large-scale cloud services, currently driving reliability and performance at Arista Networks. He combines deep end-to-end system knowledge with hands-on optimization—routinely delivering double-digit cost savings and performance gains by making targeted, low-friction changes. Past roles at Walmart Global Tech and Jet.com honed his edge and infrastructure expertise, including multi-CDN optimization and seamless large-scale migrations with zero downtime. An active open-source contributor, he’s improved performance and reliability in projects like a Go HBase client and geo-processing libraries, and is a self-described PromQL guru. Based in Dublin with roots in Alsace, he blends engineering rigor, security-first incident leadership, and a knack for measurable product impact.
13 years of coding experience
9 years of employment as a software developer
Computer Science, Computer Science at Tampere University of Technology 1965-2018Engineer's degree Computer Science, Engineer's degree Computer Science at EPITA: Ecole d'Ingénieurs en InformatiqueBaccalauréat scientific section mathematical specialty, Baccalauréat scientific section mathematical specialty at Don Bosco Landser
French, English
Stackoverflow
126reputation
15kreached
2answers
0questions
Github Skills (14)
hbase10
go10
performance-optimization10
python10
geojson10
shapely10
testing10
concurrency9
benchmark9
benchmarking9
django-testing6
python-unittest6
algolia6
django6
Programming languages (14)
Github contributions (5)
tsuna/gohbase
Nov 2021 - Oct 2022
Pure-Go HBase client
Role in this project:
Back-end Developer & Performance Engineer
Back-end Developer & Performance EngineerContributions:48 reviews, 15 commits, 52 PRs in 11 months
Contributions summary:Thibault primarily focused on optimizing the performance and stability of the HBase client. Their contributions include pre-allocating buffers to reduce allocations, implementing benchmarks to measure decompression performance, fixing failing benchmarks, and addressing data races in the code. Additionally, they improved the test suite by correcting errors and adding tests. These efforts indicate a focus on code efficiency and reliability.
gohbase-client
shapely/shapely
Oct 2016 - Oct 2016
Manipulation and analysis of geometric objects
Role in this project:Back-end Developer
Back-end DeveloperContributions:7 commits, 2 PRs, 4 comments in 8 days
Contributions summary:Thibault contributed to the `shapely/shapely` repository by adding support for the GeometryCollection data type within the `shape` and `asShape` functions, which are critical for geojson processing. They refactored code using list comprehensions for improved efficiency. Furthermore, the user wrote and integrated tests for the geointerface of GeometryCollection, improving the robustness and reliability of the library.
manipulationgeometricpythongeometry
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