N8N Automation Setup

I'm looking for an experienced N8N developer to create an automation that sends pre-prepared messages to my clients' social media accounts.

Requirements:
- Scan an Excel spreadsheet for client emails.
- Use emails to find and message their social media accounts (LinkedIn, Twitter X, Instagram, Facebook, TikTok).
- Use custom messages I've prepared for all platforms.

You must:
- Show working automation via video before final setup on my end.
- Have experience with N8N and connecting social media platforms.

Ideal Skills:
- N8N proficiency
- Social media API integration
- Excel handling
- Automation development

Please ensure the automation is reliable and well-documented. Looking forward to your bids!