Florent Poinsard
Software Engineer at PlanetScale
Mexico City
Summary
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Rockstar🎓
Top SchoolFlorent Poinsard is a software engineer with eight years of experience who splits his time between maintaining the CNCF-graduated Vitess project at PlanetScale and teaching at Epitech. He specializes in query serving, backend database scaling, release automation and DevOps, with concrete contributions to Vitess' vtgate/vttablet components and release tooling for the vitess.io website. A regular conference speaker (KubeCon, Percona Live) and creator of the arewefastyet performance monitoring tool, he blends deep systems work with practical observability. Based in Mexico City, he brings hands-on expertise in Go, MySQL, Terraform and automation across cloud-native stacks. Beyond code, he mentors students and runs code reviews, reflecting a strong focus on developer productivity and knowledge transfer. He also holds degrees from Epitech and Tsinghua, combining French engineering training with international research exposure.
8 years of coding experience
1 year of employment as a software developer
EpitechMaster's degree, Computer Science, Master's degree, Computer Science at Tsinghua UniversityAssociate's degree, Teaching Assistants/Aides, Associate's degree, Teaching Assistants/Aides at Ionis-STM, école de double compétence
English, French, Chinese, Spanish
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (21)
back-end-development10
scripting10
cd10
databases10
query-optimization10
cicd10
script10
go10
sql10
sh10
shell10
release-automation10
relational-databases10
sql-database10
database10
Programming languages (12)
Github contributions (5)
vitessio/vitess
Jan 2021 - Jan 2023
Vitess is a database clustering system for horizontal scaling of MySQL.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:27 releases, 3287 reviews, 1184 commits in 2 years
Contributions summary:Florent's contributions primarily focused on enhancing the backend database system Vitess, as indicated by changes to the `vtgate` and `vttablet` components. They were involved in implementing features related to subquery optimization and handling of the `JOIN` conditions for improved query performance and correctness. Additionally, the user worked on adding features for `VExplain` and also updated the tests to reflect code changes and features. The user also fixed issues regarding the handling of system variables.
mysqltidbhorizontal-scalingsqlvitess
vitessio/website
Oct 2020 - Jan 2023
vitess.io website and other project management related content
Role in this project:DevOps Engineer / Release Manager
DevOps Engineer / Release ManagerContributions:333 reviews, 114 commits, 217 PRs in 2 years 3 months
Contributions summary:Florent primarily contributed to automating the release process for the website. This involved creating and modifying shell scripts (`rc_release.sh` and `ga_release.sh`) to handle tasks such as updating documentation, modifying configuration files, and adjusting release labels. Additionally, the user made minor changes to the site's layout, particularly the home page, and integrated updates to the site's search functionality.
vitessvitevuecncfproject-management
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