Luis Núñez

Analytics Engineer with 3+ years at Amazon building production data systems across 13 EU countries. Significant measurable impact in savings and recovered value.

SQL · Python · AWS · Medallion / Star Schema · QuickSight · Preset · Tableau · Prefect

Redshift · CTEs · Window Functions · pandas · PySpark · Lambda · S3 · Glue · Athena

I take messy multi-source data and turn it into clean, tested, analytics-ready tables — from ingestion through modeling to dashboards.

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Featured Projects

LLM + Cloud

Medical Appointment Chatbot

LLM-powered WhatsApp bot on AWS Lambda for appointment management — LLaMA 3.3-70B, DynamoDB, Google Calendar.

Data Lake

Nobel Prize Data Lake

Medallion-architecture data lake on AWS with S3, Lambda, Prefect orchestration, and bronze/silver ETL layers.

ETL

Movie Database ETL

Multi-source ingestion from IMDb, TMDb API, and MongoDB into a normalized relational schema.

BI

Airbnb Valencia BI

Cloud BI stack on Supabase + Preset with SQL modeling and stakeholder dashboards over 8K+ listings.

Time Series

Electricity Demand Forecasting

Hourly demand pipeline with InfluxDB ingestion and day-ahead Prophet forecasts on AWS Lambda.

ML

Customer Analytics

Churn prediction, CLV modeling, and RFM segmentation on telco and retail datasets.

Cloud

Cinema Serverless AWS

Full serverless app with Lambda, DynamoDB, API Gateway, and S3 static hosting.

View all 14 projects →