Data Engineering · Analytics · Cloud

Merwin DMello

Data & BI Lead Consultant

Building dependable data platforms, modernizing enterprise warehouses, and turning complex data into useful analytics.

20+Years of experience
100+ TBBigQuery data replication
15K+BigQuery warehouse objects
17Healthcare lines of business
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What I Do

I work across cloud data engineering, warehouse modernization, BI platforms and delivery enablement. My experience spans Google Cloud and AWS, with a focus on reliable pipelines, governed analytics and practical solutions for enterprise teams.

Cloud Data Engineering

Design and orchestrate ingestion and transformation workflows using BigQuery, Cloud Composer, Dataflow, AWS Glue, Airflow, dbt and Dataform.

BI & Semantic Analytics

Build Looker and Power BI solutions, reusable semantic models, embedded analytics, governed access and operational dashboards.

Modernization & Delivery

Support enterprise migration programs, automated validation, infrastructure as code, monitoring and cross-team delivery.

Selected Highlights

Teradata → BigQuery

Supported an enterprise healthcare data warehouse migration across 17 lines of business, including SQL conversion, object migration and data validation.

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Looker from the Ground Up

Delivered analytics solutions over BigQuery, Snowflake and Redshift, with RBAC, embedded dashboards, reusable Explores and API automation.

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Healthcare & Public-Sector Analytics

Built cloud ingestion workflows and dashboards for COVID-19 metrics, economic recovery, quarantine status and testing outcomes.

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Core Toolkit

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