VueFlow Diagram Implementation

I'm looking for an experienced Vue.js developer to create a dynamic VueFlow diagram. The diagram should include the following functionalities:

- Drag-and-drop nodes
- Zoom and pan capabilities
- Custom node styles

The input data for the diagram should be in JSON format.

Ideal skills and experience:
- Proficiency in Vue.js and VueFlow
- Strong understanding of JSON data formatting
- Experience with interactive diagrams and custom styling

Please provide examples of similar work done.