Web Lead Email Scraper

Looking for a developer to build a web-based lead generation tool that extracts business contact details from domains.

The tool must support:
Single domain input
Bulk domain upload (CSV/TXT)
Email verification with status: Valid / Invalid / Catch-All

# Core Features

Extract: business name, emails, phone, address, social links
Bulk processing with job status tracking
Email verification engine (SMTP based)
Clean results dashboard
Export to CSV / Excel
Duplicate & invalid data filtering

# Preferred Experience

Web scraping, lead generation systems, SaaS backend, scalable architecture.

# Budget & Timeline

Open — please include:
Cost estimate
Delivery time
Tech stack