You could checkout keeb.io, I have the Iris and it’s fairly ergonomic, and you can customize the switches you want.

Trying to tent it for even more ergonomic is a little weird, but I think it is doable.

There’s also (not from keeb.io) ergodox keyboards.

Link to the Iris: https://keeb.io/collections/iris-split-ergonomic-keyboard

Ergodox: https://ergodox-ez.com/