[Galanwe]

There are more dimensions to this that just the tech stack.

- Industry: focusing on big tech or quant finance would be a good choice. That's where the money is IMHO.

- Expertise: if you invest on being the best, that will pay off.

- Network: you will get you best offers from friends and colleagues, not head hunters.

- Role: being an above average support engineer can very well earn you more than an above average data scientist, just because there are much fewer bright people willing to work in support positions.

- Jumps: at the beginning of your career, move often, say every 1-3 years. Calm down the frequency after that.