Extreme Metal songwriter

We're looking for a songwriter for extreme metal going to the direction of Behemoth, Belphegor, and the Black Dahlia Murder. Happy to share our songs and the guitar pros upon request. Thanks!

Additional info:
Check out what I uploaded. The vocals will be used in a commercial release. I need a song written from scratch - lyrics, music, and vocal melody. I'm not sure yet if I'd prefer ‘work for hire' or am open to sharing publishing. Can you quote for both situations please?. I'm an independent artist not affiliated with a record label.