Success as a Teller with BNP Paribas will often occur excellent written skills. While long-term writing projects won't necessarily be an occurrence, your interviewer is looking to hear in detail about a time you had to complete a written project to get a better understanding of how you will work during times that you will need to provide written correspondences in this role. As you reflect on your career, think of a time that you had to use research and teamwork to get a writing project completed and explain it in detail to your interviewer. As well, don't hesitate to talk about resources that you used to ensure that the document was as error proof as possible.