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Guillaume TELLIER is a highly experienced iOS developer who has worked for various companies such as ²Ñ²â³§³¦°ù¾±±è³Ù®, Webedia, YERS!, Air France, IGLOO, meltygroup, and 3IE. Guillaume has expertise in full stack development, app design, bug fixes, and working with various frameworks and technologies. Guillaume has also worked as an assistant professor at Sup'Internet and has a strong educational background in web development and programming.