GA4, GTM and Google ads Debugging

Project Overview
We require a technical specialist to restore our conversion tracking. Following a migration to a new GA4 account and a new GTM container, our Google Ads conversions have stopped tracking. Although we have updated the website code and set up the new container, the data is not reaching the Google Ads dashboard.
Scope of Work
The specialist will be responsible for:
Direct Troubleshooting: Identifying why the data flow has broken between the website, GTM, and the new GA4/Google Ads accounts.
Configuration Repair: * Validating the GTM script implementation on the site.
Ensuring the Conversion Linker and Google Ads Conversion Tags are correctly configured in the new container.
Verifying the link between the new GA4 property and Google Ads.
Event Mapping: Re-establishing and verifying that key events (e.g., purchases or leads) are firing and correctly mapped as conversions within the Google Ads interface.
Data Verification: Confirming that conversio...