Are you thinking about a way to modernize your applications that make use of SFTP file transfers?
Classic SFTP integrations leverage on a server to which they send files and a client polls at regular intervals, waiting for a file to became available for processing. This approach introduces time lags between the file being produced and it being consumed.
What about enhancing this approach using event driven file transfers?
Have a look at my article on Medium
https://medium.com/@luca_4339/modern-file-transfer-solution-on-azure-sftp-4f019dbeb9dd
Disclaimer: This article is published as an individual and is not related to my current job.