Senior Shopify GTM & Meta CAPI Tracking Specialist Stape

Project Description

We are a UK-based Shopify ecommerce brand seeking a highly experienced tracking specialist to audit and optimise our Meta (Facebook/Instagram) purchase tracking setup.

Our store uses:

Shopify

Google Tag Manager (Web container)

GTM Server container hosted via Stape.io

Meta Pixel + Conversion API (CAPI) via GTM

This is NOT a basic pixel installation job. We require a specialist experienced in server-side tracking and Meta deduplication.

Current Issues

Purchase Event Match Quality score is 6.8/10

Meta Ads reporting more conversions than Shopify

Missing key parameters (e.g. fbc, external_id)

Need validation that event_id deduplication is correctly configured

Need confirmation that no duplicate purchase events are firing

Scope of Work

Audit Web & Server GTM containers

Ensure proper passing of:

fbc & fbp

external_id (Shopify customer ID or order ID)

email and phone (hashed)

Confirm correct event_id deduplication between browser and server events

Validate purchase count and revenue accuracy

Improve Event Match Quality score (target 8.5+ where feasible)

Provide screenshots from Meta Events Manager confirming correct setup

Provide short documentation summarising changes made

Required Experience

Applicants MUST have proven experience with:

Shopify ecommerce tracking

GTM server-side (SGTM)

Stape.io hosting

Meta Conversion API

Purchase event deduplication

Debugging attribution discrepancies

Please include examples of similar Shopify + Stape projects.

Deliverables

Clean, verified purchase tracking setup

Improved Event Match Quality

Validation of accurate purchase tracking

Brief documentation

7-day post-implementation support