The mechanical keyboard height has been a problem for me a developer, I am always have to use wrist rest because otherwise I find myself lifting my wrists in order to achieve a comfortable typing position, but the problem is that having lifted wrists causes me a lot of pain when typing for long periods of time.
As a developer I do recommend mechanical ...
I always recommend Keychron keyboards. They are reasonably priced, have a range of different options (layouts and switch mechanisms), most are wireless with a battery charged via USB and can also be used as a wired keyboard. Build quality is excellent and first party accessories are available (carry cases, matching palm rests, etc) with basic accessories ...
I use something similar to this in the office, which allows my keyboard to be parked under the leading edge of the stand.
Laptops with a full size keyboard exist but are few and far between due to the actual size limitations of the laptops.
there are only two that I know of that come close.
The acer predator X21, it's a full size keyboard, however the numpad is low profile and reversible so you can use it as a trackpad.
this is a 21 inch curved monitor "laptop"
All I know the external keyboard with USB or wireless never have a butterfly-key design. Because that was exclusively designed for Apple? Dunno but probably because of the patent.
The smooth feeling of the laptop keyboard can be replaced by an external keyboard if the keyboard is very cheap.
You can search at your local shop that looks like this:
But keep ...
The keyboard request you've put in sounds like you would like a mechanical tenkeyless keyboard. It sounds like you would dislike chiclet or membrane keyboards which are usually more low profile. Mechanical keyboards prevent ghosting keys, are usually a lot more sturdy, and have a much farther key travel distance than scissor switch membrane keyboards. Your ...
You could get something like this USB Switch and attach a USB Bluetooth adaptor to it.
It allows you to connect up to 4 USB devices and then it can connect to up to 2 PCs / Laptop with a single USB cable. With the touch of a button you will be able to switch between PCs / Laptop.
I enjoy a Durgods TKL (K320) with Mx Browns (mentioned above, has bump but no click). I would use in an office but if you are heavy on the keys it may be worth ordering a key tester that has a few kinds and types for you to test the volume and feel.