Iago Nus Martinez

I'm a Data Engineer specialized in transforming data into practical, business-ready solutions. I work with Python, SQL, database modeling, efficient ETL development, and query optimization. I also build dashboards in Power BI, Metabase, or Grafana, and I'm an Excel power user—pivot tables, advanced formulas, data modeling. I use Docker to create reproducible environments, Git for clean version control, and I create custom Claude Code plugins and AI automations to supercharge your team's productivity.

My working style is agile, organized, and results-oriented: I listen to what you need, design scalable solutions, and deliver value from the very first sprint. I take on all types of projects—from extracting information from a simple Excel file and creating clear visualizations, to complex data engineering solutions and AI-powered automations.

I add value through Python development for automation, cleaning, analysis, and internal applications. Robust and scalable database modeling aligned with your business needs. Clean and efficient ETL pipelines focused on stability and maintainability. Optimization of database performance and SQL queries. Docker for reproducible testing environments. Git for traceability and smooth collaboration. Functional dashboards in Power BI, Metabase, and Grafana. Excel automation that transforms spreadsheets into organized, efficient tools. And custom Claude Code plugins and AI automations that turn manual work into intelligent processes.

My goal is to provide you with reliable data processes, useful visualizations, automations that save your team hours, and tools that are easy to understand and maintain—because great solutions should work for you, not against you.