Linux inherently works well for coding and testing software. For developers and programmers, almost any Linux distro will be a good fit. When it comes to picking a distro for developing, the biggest factor is just going to be personal preference. Even so, some distros offer certain features that developers may find particularly helpful for their work.
This is a companion discussion topic for the original entry at https://linuxconfig.org/best-linux-distro-for-developers