Transforming raw data into business intelligence
Hi, I'm Martin Collazos. If data doesn't move reliably, nothing else works. That's been my thing for the last 10+ years. I design and build scalable data architectures. I like getting into the details: tuning, optimization, making sure the data that reaches the business is actually trustworthy.
Core Expertise
Azure Data Factory
Designing and orchestrating complex cloud data workflows. Building automated pipeline schedules, event-triggered runs, and hybrid data movements across multi-cloud environments.
SQL Server
Writing high-performance T-SQL queries, optimizing database execution plans, and managing relational models. Designing stored procedures and indexes for low-latency processing.
ETL / ELT
Constructing end-to-end data pipeline architectures. Extracting data from heterogeneous sources, applying complex business rules, and loading raw or structured payloads.
Data Warehousing
Architecting modern data repositories optimized for speed and scaling. Designing storage schemas, staging environments, and integration targets for quick BI analytics.
Data Modeling
Designing solid logical and physical schema blueprints. Defining primary-foreign relationships, normalization levels, and dimensional entity layouts to ensure query performance.
Power BI
Developing interactive dashboards and complex DAX measures. Transforming enterprise semantic models into rich visual stories, enabling executives to make data-driven decisions.