Baby bjorn harmonie is what we use. The ergobaby 360 comes highly recommended, but I struggled with doing up the straps and holding baby in place at the same time (I’m sure with some practice you would get used to it, I know lots of people who use it). The baby bjorn one I found a lot less fiddly.
https://www.facebook.com/share/g/15YLmB4gXx/?mibextid=wwXIfr a really useful group to ask for recommendations and has advice on safety
Would really recommend seeing if you have a local sling library that has toddler carriers. My local one does! We got a Tula which in theory should carry until he’s 3 and is supportive but only know that from trying it out at a sling library x