I've thought about the idea of re-implementing the AWS console, especially for the ends of a 'focused'/gated experience in the data science field; my reasoning

I've thought about the idea of re-implementing the AWS console, especially for the ends of a 'focused'/gated experience in the data science field; my reasoning was every service has an API and there is a JavaScript SDK, why not just reimplement the console to my tastes/goals? I'm curious what your architecture/design looks like and whether you ran into any sharp edges: ie is Web UI for a cloud platform really as simple as writing JS to call rest APIs? Also, I'm wondering if the community has any other open source alternatives I could toy around with and peek under the hood.