I build the tracking layer, then show you the receipts.

Server-side GTM, GA4 event architecture, and the dashboards that make the data worth collecting. Independent practice, thirteen years, Utah-based and available worldwide.

Open to full-time roles and select freelance work

read_case_study → linkedin upwork

stack: server-side GTM· GA4· Amplitude· Snowflake· BigQuery· dbt· Tableau· Looker

// selected work

case_01 · shopify_retailer (NDA)2025 [CHECK]

A Shopify store double-counting purchases across three systems

-2.2%

revenue variance vs. Shopify — was +33.9% pre-fix

-1.8%

purchase variance vs. Shopify — was +32.4% pre-fix

Shopify's own Google integration, Shopify Customer Events, and GTM were all reporting the same purchase. I mapped every event pathway, assigned one authoritative owner per event, and reconciled the cleaned setup against Shopify's order data.

read the full case →

case_02 · b2b_saas (NDA) · 2024

One signup definition across GA4, Amplitude and Snowflake [CHECK]

1 schema

3 tools agreeing [CHECK]

read the full case →

case_03 · multi_brand_retail (NDA) · 2023

Fourteen legacy containers into one governed GTM estate [CHECK]

14 → 1

containers [CHECK]

read the full case →

Want the tag map?

Send me the site and what's not adding up. I'll tell you what I'd check first — no prices until we've talked scope.

tim@datacraft.ws