Not wanting to be contentious, but there is no 100% secure job outside of civil service. One should not fool oneself. Not even in a corporation. VW has just announced massive cuts in administration; they were considered lifelong employers in the region for decades. That is over.
With 2 (small) children, full-time work will definitely be difficult, but it also depends on the federal state. In Saxony-Anhalt there is traditionally good after-school care; the older one usually does not want to go home. The daycare also offers 8 hours at reasonable prices. That means both children are occupied from 8 am to 4 pm, but with pick-up and drop-off, a real 8-hour workday doesn’t fit in there either. And still, my wife does not work full-time because it simply does not make sense. There is also so much to do around the house, which one would never manage otherwise. Besides... If I give the children away for 10 hours daily, I don’t need to have any in the first place, in my opinion.
Among colleagues in Bavaria, the kids stand at the door at 1 pm after elementary school, and childcare is generally extremely expensive down there.
And the probation period is said to be a minor problem at banks, unlike a fixed-term contract. It is simply assumed that one will not mess up and the employer will hardly dismiss anyone given the current shortage of skilled workers. By the way, the employer can terminate with 3 months’ notice even after the probation period, which is often forgotten. Passing the probation period is not a guarantee of lifelong employment there.