I have a MERN stack app and need to add file uploads to it, the files must be saved in mongodb. Also using antd, the files are submitted in various forms and sometimes there are more than one file per form. I need to be able to download this files.

I am looking for a developer who can help me add file upload functionality to my MERN stack app. The files will be in the form of documents and they need to be saved in MongoDB. Additionally, I am using the antd library for my forms, and sometimes there may be more than one file per form submission.

Requirements:
- Experience with the MERN stack and MongoDB
- Proficiency in working with antd library
- Ability to implement file upload functionality and save files in MongoDB
- Knowledge of handling multiple file uploads per form
- Familiarity with file download functionality

The files should be accessible to all users of the app. However, I am open to suggestions regarding the management of the uploaded files. Whether it's adding, editing, or deleting files, I am not sure about the specific requirements and would appreciate your suggestion in this matter.
Also the forms can be updated and need that when the edit form is accesed the current file does not dissapear unless the file is replaced.

The files are not always required.

I have added some images of the forms:
1.- The upload form (right now there is a URL for both files)
2.- The read of the document, where the button for download should be
3.- The update form, where if there is a file it should be represented.
my project is based on https://github.com/idurar/idurar-erp-crm

If you have the necessary skills and experience, and are interested in this project, please reach out to me. Thank you!