Do you have plans to support other platforms besides Magento?
Yes - but it's also already possible to find people with expertise in platforms other than Magento, simply by searching on tags. For example, here's a search for Wordpress:
We also have some dedicated landing pages such as this one for Oro Platform:
However, our primary focus will be on Magento development for some time, as we really want to get the hiring problem in that market solved first and foremost.