Looking for a business analyst to prepare flowchart diagrams for an ERP system (Specification provided)

I have a very basic high-level requirement for an ERP System that we need. I have the basic workflow with me.

I need a Business Analyst to go through the requirement and create comprehensive flowchart diagrams, Detailed specification, and UI/UX plan.

Tasks need doing:

- Converts the business needs into detailed functional specifications.

- Creates comprehensive flowchart diagrams to visualize the workflow.

- May assist with the development of UI/UX planner.

- Identifies integration points and necessary third-party services.

- Ensures that all business requirements are met in the system design.

I have a very limited budget, hence any entry to intermediate level Business Analyst apply!

Previous experience should be validated!