Mayo Racek⚡️
How I can help

I work where measurement, data engineering and business decisions meet. My focus is not simply collecting more data, but making it reliable, understandable and genuinely useful.

I am comfortable working across strategy, implementation, quality assurance, modelling and communication — helping connect technical details with the decisions people need to make.

Measurement and Tracking Architecture

Measurement and Tracking Architecture
MEASUREMENT

Designing, auditing and improving browser-side and server-side measurement systems, including Google Tag Manager, GA4, consent, first-party collection and implementation diagnostics.

GTM GA4 Server-side Consent
Analytics Engineering and BigQuery

Analytics Engineering and BigQuery
DATA

Transforming raw event data into dependable user, session, page, content and conversion models using SQL, BigQuery, Dataform and maintainable data pipelines.

BigQuery SQL Dataform Data Modelling
Data Quality, Governance and Activation

Data Quality, Governance and Activation
RELIABILITY

Building monitoring, validation rules, naming standards, ownership models and activation pipelines so teams can trust their data and use it safely.

Data Quality Governance Monitoring Activation
AI-Ready Analytics Systems

AI-Ready Analytics Systems
AI

Structuring metrics, glossaries, verified queries and governed datasets so analysts, business users and AI agents can reach consistent and explainable answers.

AI Agents Verified Queries Semantic Layer
Football Data and Intelligence

Football Data and Intelligence
FOOTBALL

Exploring how performance, growth, maturity, tactical and scouting data can support player development and better football decisions.

Football Analytics Player Development Scouting