Infinitas Learning Holding interview questions

[ Remote interview - on glassdoor I cannot select such possibility, so I'm writing that down here ] - Presented with their main products, I've been asked to provide tips on how to approach/solve some of the challenges they have been facing. - Questions on my experience & stakeholder management. The designer was pretty enthusiastic and said that they would have reach out to me in 2 weeks ("the process is slow") so that we could arrange the second interview. After 2 weeks I receive an automatic email said that they won't be proceeding with my application. Asked for feedback, no reply. - Questions on my latest projects.

How would you go about improving this code? What is wrong with this code?