Guillaume Letellier

Guillaume Letellier has a diverse work experience spanning multiple industries. Guillaume started their career as a Technical Consultant at Junior ISEP from 2008 to 2010. Guillaume then worked at Alcatel-Lucent, where they held several roles, including Functional Analyst and Wireless Product & Region Support Manager from 2010 to 2013. At Consort NT, they worked as an IT Consultant, participating in the configuration of SFR offers on front-end interfaces. From 2014 to 2018, they worked at Amadeus IT Group as a Software QA Engineer, executing QA strategies for airline e-commerce web applications. Starting in 2018, Guillaume joined Izicap as a Test Automation Engineer, where they designed functional test suites and managed the testing automation setup. Currently, they are employed at Symphony.com as a Senior Software Development Engineer in Test.

Guillaume Letellier obtained their Engineer's degree in Wireless Networks from ISEP - école d'ingénieurs du numérique, where they studied from 2005 to 2011. Guillaume further pursued a Master of Science (MS) in Wireless Networks at Queen Mary University of London, attending from 2009 to 2010. Additionally, they have acquired several certifications throughout their career. In 2015, they completed the "Shaping up with angularJS" course by Code School. In 2017, they obtained the ISTQB® Certified Tester, Foundation Level certification from the ISTQB - International Software Testing Qualifications Board. In 2019, they completed the "Learning Docker" course offered by LinkedIn. Finally, in 2021, they achieved the Symphony Certified Bot Developer (Java) certification from Symphony.com and the Google Cloud Fundamentals: Core Infrastructure certification from Coursera.