I am new to kotlin, our team is thinking of utilizing kotlin for writing one of the service for our project. Is Ktor a good framework to go with or there are any better alternatives? This is just for a specific feature (1 or 2 endpoints) will talk to dynamodb to update/read json file.

“good” and “better” are subjective it depends on many factors you might want to use this opportunity as a learning experience for example for your next projects

what kind of background does your team have?

One key factor to take into account when selecting a web lib/toolkit/framework is the level of Kotlin support. For example are there Kotlin specific docs, is there a Kotlin API, is there Kotlin tooling available ...