First, they are a Czech company. Second, they have taken a public and open stance against the war. https://blog.jetbrains.com/blog/2022/03/11/jetbrains-stateme...
Is it still true? There were news of them selling their properties in St.Petersburg.
I don't know if their office in St Petersburg is still operating, since they claimed to stop sales and R&D activities in Russia: https://blog.jetbrains.com/blog/2022/03/11/jetbrains-stateme...