Freelancer profile translated to English.
Back to original languageAbout Jean
Data analyst / engineer. / architect
Certified Microsoft SQL Server Expert
I do SQL optimization, SQL development, BI reporting analysis, data warehousing, SQL backend, SQL performance auditing.
French
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- Les Petits Chaperons RougesFull Stack SQL BI DeveloperHEALTH AND WELLNESSJanuary 2009 - January 2020 (11 years)Clichy, FranceI built the database and the internal management software connected to accounting and payroll for all the nurseries (500 nurseries in 2019), still functional in 2023 (750 nurseries, 6000 employees).
Reviews
Adrian
Drivn
Reviewed on 5/15/2023
Senior developer, adept with both cloud and on-premise tools. Excellent and swift communication. I would hire him again.
Thomas
Thomas Bredillet
Reviewed on 3/9/2023
In just a few days, John optimized several SQL queries on a new technology he hadn't encountered before (ClickHouse). Delivered very quickly and always available, very good work.
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