About Guillaume
French
Native or bilingual
English
Fluent
Experience
- RailEuropeDevops engineerTRAVEL AND TOURISMOctober 2022 - Today (3 years and 8 months)Nantes, FrancePart of Raileurope DevOps team, in charge of 4 applications: B2C, B2B, internal API & BI.- As part of Raileurope becoming an autonomous company, migration of the AWS cloud infrastructures from SNCF accounts to Raileurope accounts.- CICD tools rationalization: migration to Github actions for both applications and infrastructure pipelines- Implemented observability through Datadog: logs, metrics, APM, ASM, monitors- Performance improvements of a Ruby application: data flows, database optimization, data storage, monitoring- Continous improvement: finops monitoring, system updates, IAC updates and refactoring, applications performance monitoring, etc.
- RailEuropeBackend engineerTRAVEL AND TOURISMSeptember 2019 - September 2022 (3 years)Nantes, FranceBuilt and ran an API abstracting main european train operators APIs for Raileurope B2B and B2C applications. Part of an international team of 10 developers.- Millions of requests per month- Continuous deployment with several deploys a day- Agile with Kanban- Involved in on-call- Hosted on AWS K8s
- Philips LightingProject ManagerMECHANICAL ENGINEERINGJune 2013 - March 2018 (4 years and 9 months)Miribel, FranceIndustrialization projects management on outdoor LED luminaires :- Product redesign and relocation, New product industrialization, Cross products costs reduction- CAPEX : 500 K€- Teams : 7 - 12 pers
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Education
- IngénieurEIL2006Mécanique et Productique
- IngénieurETS Montréal2006Mécanique