I'm working on nothing of importance (well actually it's a notable product from Big Tech). I'm looking to start something new but want to stay in Berlin and wa

I'm working on nothing of importance (well actually it's a notable product from Big Tech). I'm looking to start something new but want to stay in Berlin and want to work on core technology or critical government/public/financial systems. I can either help fund this work and help at an arms length or join up.