Home on Luis Núñez — Analytics Engineer

Nobel Prize Data Lake — Medallion Architecture on AWS

Tue, 01 Apr 2025 00:00:00 +0000

A medallion-architecture data lake on AWS S3 with Prefect-orchestrated ETL Lambdas — raw API responses → bronze joins → silver analytics table.

Movie Database ETL Pipeline — Multi-Source Ingestion to SQLite

Sun, 01 Dec 2024 00:00:00 +0000

An end-to-end ETL pipeline that ingests movie metadata from IMDb bulk files and a REST API, stages it in MongoDB, and lands it in a normalized relational schema with foreign keys.

Medical Appointment Chatbot — LLM + AWS + WhatsApp

Mon, 01 Sep 2025 00:00:00 +0000

Cloud-based WhatsApp chatbot for medical appointment management using LLaMA 3.3-70B for intent parsing, AWS Lambda for serverless orchestration, and Google Calendar as the scheduling backend.

Airbnb Valencia — Cloud BI with Supabase + Preset

Sun, 01 Jun 2025 00:00:00 +0000

A full BI stack analyzing 8,847 Airbnb listings — from raw CSV load through SQL modeling on Supabase to stakeholder dashboards in Preset.

Movie Analytics — Deep EDA for Investment Decisions

Fri, 01 Nov 2024 00:00:00 +0000

A deep exploratory analysis across 4,000 movies to identify the factors driving box-office success — framed around a low-budget-production investment scenario.

Sentiment Analysis at Scale — PySpark on AWS

Sat, 01 Mar 2025 00:00:00 +0000

A distributed ML pipeline processing 17M Amazon reviews with PySpark MLlib on AWS Glue — including S3 medallion storage, feature engineering, and model serialization for batch inference.

Spanish Electricity Demand — Time-Series Pipeline with InfluxDB + Forecasting

Thu, 01 May 2025 00:00:00 +0000

A continuous ingestion pipeline for Spanish grid demand with InfluxDB storage and Prophet-based day-ahead forecasting. Includes a dashboard for real vs forecast visualization.

Formula 1 Data Analysis — Multi-Table Pandas Pipeline

Tue, 01 Oct 2024 00:00:00 +0000

A pandas-driven analysis across 13 relational CSVs (75 years of F1 history) with multi-way joins, filtering, and map-based visualization.

Customer Analytics — Churn, CLV & Segmentation

Fri, 15 Nov 2024 00:00:00 +0000

Three ML-driven marketing projects in one notebook — telco churn classification, customer lifetime value regression, and RFM-based customer segmentation.

Housing Price Analysis — Regression, Explainability, and Unsupervised Learning

Sat, 01 Feb 2025 00:00:00 +0000

A two-part project on the Ames Housing dataset covering data prep, Ridge/Random Forest/KNN modeling, SHAP/PDP explainability, PCA/t-SNE, and Gaussian mixture clustering.

Book Recommender — Hybrid Content + Collaborative Filtering

Sun, 15 Jun 2025 00:00:00 +0000

A hybrid book recommender combining TF-IDF, sentence embeddings, and SVD-based collaborative filtering on the goodbooks-10k dataset.

Dog Breed Classification — CNN from Scratch vs. Transfer Learning

Wed, 15 Jan 2025 00:00:00 +0000

74-class fine-grained dog breed classifier progressing from a VGG-style CNN to InceptionV3 with fine-tuning. Clear case study in why transfer learning wins on small datasets.

Cinema — Serverless AWS Application

Tue, 15 Apr 2025 00:00:00 +0000

An event-driven serverless application on AWS: scheduled Lambda polling a third-party API, S3 event-triggered DynamoDB sync, and API Gateway endpoints for queries.

Heart Disease MLOps — MLflow + Streamlit Deployment

Mon, 30 Jun 2025 00:00:00 +0000

A full MLOps cycle — dataset → MLflow-tracked experiments → production registry → Streamlit deployment in two patterns (embedded vs. API-backed).

About

Mon, 01 Jan 2024 00:00:00 +0000

I’m Luis Núñez, an Analytics Engineer based in Barcelona. I build the layer that turns raw data into decision-ready datasets and dashboards — the glue between the engineers who produce data and the analysts, scientists, and stakeholders who consume it.

📄 Download my CV (PDF)

Education

M.Sc., Data Science & Data Engineering — Universidad de Castilla-La Mancha · 2024 – 2025 Python, AWS, Spark, InfluxDB, pandas, MLflow, medallion data-lake patterns.

Contact

Mon, 01 Jan 2024 00:00:00 +0000

Have a question or want to connect? Fill out the form and I’ll get back to you.

Or reach me directly at luisfernando064@gmail.com · LinkedIn