Frontend builder HTML5

We are looking for somebody who will build editor like this (https://github.com/Kademi/keditor) on top of our CMS via Vue/React frontend. Another option is to add new featues to this open source solution that is on link already.

- comunication via API with backend our cms
- add background image from gallery which has filter option
- drag&drop option of elements
- load predfined templates
- save what you have created as draft
- view it as preview fit to page (like autofit on adobe reader)
- export to image