If I were in your situation, I'd stay put because that's a very good place to be with small kids, and I'd stay sharp by doing either free online courses e:g MIT

If I were in your situation, I'd stay put because that's a very good place to be with small kids, and I'd stay sharp by doing either free online courses e:g MIT has a load of online comp sci, and/or , contribute to an open source project (obviously commit the code outside official work hours. ;) ) Might help if you ring fence X number of hours a week to learning time, to force yourself to focus