Check out We work remotely :)
LinkedIn also has a a filter where you can put remote work too!
You may struggle to find anywhere that will allow you to work from home whilst taking care of your child. My work when I WFH there has to be another care giver there to tend to young children. So bare this in mind
There's a really good work from home Facebook group.
Indeed
Working from home while caring for a child is generally against employment contracts in the UK so bare that in mind in case that's what you're thinking. I WFH mostly and it's greatly helpful as I get to spend more time with my kids without the commute. But they're both at school or in childcare during working hours.
I'm due back to work in Feb and little one will be 7 months old so seeing that I can find as options