Hi!
You have a rather complicated situation as regards your health situation, and that comes 1st before the question of working.
How are you covered for health insurance? In which country? Is there an agreement, between the country and France.
eg. If you ( or your husband ) are entitled to a E106, then you would be covered for 2 years.
As regards working in France, in fact also staying in France, you are unfortunately in the case of non-EU persons, which has been recently stiffend:
You have to start here and look at the links proposed:
Etrangers en France - Service-public.fr
Yours,
giantpanda