LinkedIn Sales Navigator Scraper / Extractor in python

General information for the business: Python Script
Kind of development: New program from scratch
Description of requirements/functionality: ** Description
A scraper tool that automate the extracting leads and accounts from the LinkedIn Sales Navigator.
The scraper will run on the from the terminal and will have IP proxy routing and will output the data in CSV format.

** Requirements
- LinkedIn Account credentials
- Subscription to LinkedIn Sales Navigator

** Extractors
This tool have four extractors:
- Saved Leads Extractor: this one extract your saved leads in Sales Navigator;
- Leads Extractor: extract leads of a search query builder results;
- Saved Accounts Extractor: extract saved accounts(companies) in Sales Navigator;
- Accounts Extractor: extract accounts of a search query builder results;

** Data
Leads extractor, extract these fields:
- Member ID
- First name
- Last name
- Full name
- Public profile URL
- Location
- Current position
- Company name
- Company Type
- Company Emails => Only if company description contains emails;
- Company Country
- Company Geographic Area
- Company City
- Company Postal Code
- Company Address Line 2
- Company Address Line 1
- Company Founded
- Company Followers Count
- Company Staff Count
- Company Website
- Company profile URL

Accounts extractor, extract these fields:
- Company Id
- Name
- Company Type
- Emails => Only if company description contains emails;
- Size
- Industry
- Location
- Country
- Geographic Area
- City
- Postal Code
- Address Line 2
- Address Line 1
- Founded
- Followers Count
- Website
- Staff Count
- Description
- Profile link

First connections extractor add-on, extract these fields:
- First Name
- Last Name
- Company
- Title
- Email
- Phone number
- Street
- City
- Post Code/Zip
- Country
- LI Profile URL


this is a linkedin sales navigator crawler/ extractor, its not a normal linkedin scrapper that i am asking for. This would be used only for premium linked in accounts.
You let me know the timeline & budget.
OS requirements: Windows, Mac OS
Extra notes: