As an Indiemaker, I have to focus on all aspects of product and so I am a generalist.
Most of the job opportunities are for specialists.
So where does an Indiemaker fits in?
Possibly a technical project manager at a startup? Since you have knowledge of the technical scope, you would be very valuable to speak to everyone on the team, set realistic expectations, etc, especially for clients that your company would take on.
Also, if you're looking for a bit more of a step down from the technical side, there's an interesting ad in the side of "evangelism" that is looking for a generalist as well for a pretty cool company. https://keybase.io/jobs#evangelist
I think something within the realm of those two, and you'll likely evolve within the company to whichever role comes most naturally.
Depending on how well your freelance or indie hacker career went, it may be very difficult to find job opportunities with startups that can exceed what you already had. But they are out there.
I think you already know how to position yourself – technical person that can solve business problems – you just have to throw out more nets to find the opportunities that actually fit.
To be honest, I am curious myself...
If you have been a freelancer and a IndieHacker, I am sure you understand that it gets really stressful emotionally and financially.