A lot of the reasons listed in this article actually made me shift from sophisticated ORMs like Hibernate back to a query based approach. A really nice framework for this (in Java) is jOOQ which gives you the possibility to write typesafe SQL via code generation.
https://www.jooq.org/
(I'm not at all affiliated with jOOQ - just a happy user)
Cool idea. I hope you somehow confirm the listing on the dashboard, otherwise someone can just list some domains under your username to cost you money ;)
There are a few consulting companies doing project work that hire a good amount of people. (However none are even close to you >100 / year number)
And also, it will be pretty hard to get near the 200k mark in Zurich if you're not at either a bank with a very specific expertise or at Google.
(I'm not at all affiliated with jOOQ - just a happy user)