Indeed. All else being equal, I'd expect evolution to progress faster in hotter environments with more solar radiation. I wouldn't be surprised if Venusian microorganisms were more advanced, adaptable and capable of surviving an interplanetary journey than Earth ones two billion years ago.

I like to think that if we could dig beneath the surface we’ll find the remnants of an underground civilisation there... sort of like the martians from Broken Angels, but on Venus.