Yoann La Cancellera
Lead Database Performance Engineer
Lille, Hauts-de-France
Summary
🤩
Rockstar🎓
Top SchoolYoann La Cancellera is a Lead Database Performance Engineer based in Lille, France, with seven years of hands-on experience designing, tuning and operating large MySQL and PostgreSQL fleets. He progressed through roles at Claranet and OVH into senior positions at Percona, specializing in high-availability architectures (Galera, Group Replication, Patroni, Vitess, Aurora) and performance troubleshooting for PCI-DSS and healthcare-grade environments. Known for turning critical incidents into long-term improvements, he has led a 17-person DBA team, trained 30+ engineers and customers, and built standardized operational roadmaps for 600+ databases. Comfortable with DevOps tooling and observability stacks (Prometheus, Grafana, Warp10) and scripting in Go and Bash, he blends deep query-level diagnostics with infrastructure automation. Colleagues rely on him for exotic migrations and architectural decisions under pressure, and he often defends technical choices to sales and management while keeping a pragmatic focus on measurable performance gains.
7 years of coding experience
5 years of employment as a software developer
Master 2 (M2), Informatique, Master 2 (M2), Informatique at SUPINFO
Github Skills (89)
benchmark10
slave10
sysbench10
tarantool10
scriptable10
database10
console10
version-control10
percona10
freebsd10
database-tools10
linux9
postgresql9
failover9
lua9
Programming languages (8)
Github contributions (5)
ylacancellera/qmk_firmware
Apr 2019 - Apr 2023
keyboard controller firmware for Atmel AVR and ARM USB families
Contributions:4 PRs, 37 pushes in 4 years 1 month
controllerfirmwareavratmelusb
ylacancellera/galera-log-explainer
Dec 2022 - Jun 2024
Contributions:8 releases, 1 PR, 70 pushes in 1 year 6 months
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