Guillaume Mallet
Senior Site Reliability Engineer at Citadel
London, England, United Kingdom
Summary
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Rockstar🎓
Top SchoolGuillaume Mallet is a Senior Site Reliability Engineer based in London with 11 years of experience building and operating resilient, large-scale systems across finance and consumer tech. He progressed from intern to engineer at ComplyAdvantage before moving into SRE roles at Apple and now Citadel, bringing deep operational expertise in high-availability environments. Comfortable at the intersection of software and infrastructure, he focuses on reliability, automation, and scalable incident response practices. Guillaume’s career shows a pattern of rapid responsibility growth and cross-functional collaboration in high-stakes production environments, and he combines rigorous engineering discipline with a background from Grenoble’s National School of Computer Science and Applied Mathematics.
11 years of coding experience
8 years of employment as a software developer
National School of Computer Science and Applied Mathematics of Grenoble
Github Skills (13)
kafka10
apache-kafka10
java10
streaming10
scala10
go9
prometheus9
elasticsearch9
logging4
kubernetes-operator4
operator4
kubernetes2
cloud-native2
Programming languages (4)
Github contributions (5)
Quetute/Web-ACVL-Role-playing
Apr 2016 - Apr 2016
Contributions:68 pushes in 13 days
malletgu/kafka
Jul 2024 - Jul 2025
Contributions:7 pushes, 5 branches in 1 year
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