Mathieu Guillemain

Mathieu Guillemain has a diverse background in software development, with experience as a lead developer at American Express Global Business Travel since 2016. Prior to that, they worked as a full-stack developer at ITG from 2015 to 2016 and at PPG Industries from 2014 to 2015. Before those roles, they worked as a back-end developer and software architect contractor for Thales Services, Alcatel-Lucent, and DCNS from 2007 to 2014, where they were involved in various projects and utilized technologies such as C#, Java, C++, and SQL Server.

Mathieu Guillemain obtained a Master's degree (diplôme d'ingénieur) in computer science from ISTY in 2001. Mathieu also holds additional certifications from Microsoft, including MCSD: Windows Store apps using C# and MCSD: web applications. The specific months and years when these certifications were obtained are not provided.