Is this the place to find developers?
That depends on whether you want to pay in Tokens or Btc & more popular Altcoins like Eth / Ltc
Generally, it is advisable to post in the service section if you are looking to pay in BTC. With that said, you can also post your exact requirement on this thread :
JOBS & SERVICE REQUEST BOARD and it would be picked up by someone I am sure.
What is it exactly that you are looking to develop? And what is ISO