That's why I think a good consulting agency can be a great first place to work. Lots of projects, hopefully different technologies, perhaps international client

That's why I think a good consulting agency can be a great first place to work. Lots of projects, hopefully different technologies, perhaps international clients with travel. Then once you know what you like and specialize a bit in it, it's easier to step to some product company as a senior. Plus, in my experience consulting companies are more focused in employee well-being as it's their only asset.