C# is a very good language. I like it a lot, and Visual Studio is a fine IDE, but the tools pale in comparison to the JVM tools (Maven, Gradle, IntelliJ, Eclipse, Spring Boot, GraalVM, etc)
I am curious why you think this. This may have been true like 10 year ago, but in my experience modern .NET and especially .NET Core has great tooling. What in particular do you find lacking?