Get involved in the open source community. You will be able to see how bigger systems are built. Right now you know what you know and you know what you don't kn

Get involved in the open source community. You will be able to see how bigger systems are built. Right now you know what you know and you know what you don't know. But the gaping hole is that you don't know what you don't know! Unfortunately working solo can be a bit of a trap in that regard.