Not sure you can quantify all work, but to the accounts I read she was constantly guiding, scheduling the teams, resolving conflict, allocating resources. Exactly what a CTO does in a company that size.

Can’t help but feel there’s some sexism attached to the pushback here.

And what a conflict resolver she was. It even elevated her to the level of CEO.

https://makeagif.com/gif/im-actually-not-sure-about-that-mir...

This is a good example of the kind of response I wouldn’t expect if she were male.

FWIW I would be skeptical of tech bros claiming they sped up 80% response time on microservice handling 5000000000 RPS. But I will be even more skeptical when they say "analyzed and implemented business requirements into maintainable and high performance code".

More generic, grandiose and oft-repeated someone's claims are, more skepticism is warranted.