Meta Conversions API + GTM Server-Side Tracking Expert Needed

This is a single few-hour job for a freelancer with the potential of becoming ongoing freelance contract

Looking for a specialist who has successfully implemented Facebook/Meta Conversions API using Google Tag Manager server-side containers. and familiar with Amplitude
Specific Requirements:

Configure GTM server container (Google Cloud Run) to receive events from web container
Set up Meta Conversions API tag in server container with proper event name mapping
Troubleshoot why events show 'Browser' instead of 'Server' in Meta Events Manager
Map custom events (quiz_started → Lead, page_view → PageView) for server-side forwarding
Validate server-side events appear with enhanced user data and proper event IDs
Experience with GA4 Client configuration and Meta CAPI triggers
experienced with Amplitude tracking

Current Setup:

React app with GTM web container
WordPress site with Meta pixel
GTM server container on Google Cloud Run
Events firing client-side but not reaching the server-side