#1 - Even if you aren't interested in these services, consider clicking the link for the hecks of it to boost my algorithm! (Thanks!)
#2 - I have a Gig posted to Fiverr offering 3 levels of podcast editing, which includes writing an SEO-friendly description. I offer ID3 Tags, Podcast chapters, transcription... mixing, levelling audio, adding clips to select locations and more...
https://www.fiverr.com/offsetopacity/turn-your-raw-podcast-audio-into-a-finished-production
Also, if you are looking to build a great website for your podcast, or do a revamp of an existing one, I am a web designer and am super savvy in SEO site health for boosting rank! You can see an example at thebagsystem.com