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robertofernandezmartinez/README.md

Hi, I'm Roberto 👋

Analytics Engineer & Data Analyst based in Spain. I build end-to-end data pipelines and AI-powered solutions that turn raw data into business decisions.

🔭 What I'm working on

  • Analytics Engineering — dbt, BigQuery, Medallion Architecture, dimensional modeling, SCD Type 2
  • AI & LLM workflows — LLM orchestration with Claude and GPT-4, agentic systems, FastAPI
  • Data pipelines — ETL/ELT, Airflow, CI/CD with GitHub Actions
  • Product analytics — funnel analysis, cohort retention, MRR, churn modeling

🛠️ Tech I work with

Data & Analytics: dbt BigQuery SQL Python Airflow Pandas

AI & Backend: FastAPI Claude OpenAI Supabase Railway

BI & Visualization: Looker Tableau Streamlit Looker Studio QuickSight

Dev & Infra: GitHub Actions Git AWS

📂 Featured Projects

  • Retail Analytics Platform — Production-grade dbt + BigQuery pipeline: SCD Type 2, incremental models, 47 tests, CI/CD, Airflow
  • AI Corporate Suite — LLM orchestration platform with ML modules, real-time alerting and business decision automation
  • Subscription Analytics Pipeline — MRR Waterfall, dbt + BigQuery schema, churn modeling and KPI framework for SaaS revenue analytics
  • ESIOS Energy Analytics — Real API ingestion from REE with DLT, covering the April 2025 national blackout

📫 Get in touch

LinkedIn Email

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  1. dbt-subscription-analytics-pipeline dbt-subscription-analytics-pipeline Public

    Bronze-to-Gold dbt pipeline on BigQuery for subscription MRR analytics, churn tracking, and cross-sell performance.

    Jupyter Notebook

  2. dbt-retail dbt-retail Public

    Production-grade retail analytics pipeline — dbt, BigQuery, SCD Type 2, incremental models, CI/CD

    Python 1

  3. ai-corporate-suite ai-corporate-suite Public

    🧠 A modular, production-ready platform designed to industrialize AI models and automate high-stakes business decision-making. This ecosystem bridges the gap between raw data and proactive operation…

    Python 1

  4. smartport-ai-risk-early-warning smartport-ai-risk-early-warning Public

    🛳️ Predictive Logistics & Maritime Intelligence. Real-time vessel delay prevention via XGBoost. Integrates a Cloud Command Center and an AI-powered Telegram Assistant for seamless operational dispa…

    Jupyter Notebook 1

  5. agentic-supply-chain-logistics agentic-supply-chain-logistics Public

    💬 Agentic Decision Intelligence & Conversational Data Layer designed for E-commerce Logistics Resilience. Built with LangGraph, DuckDB, and a Semantic Layer for business simulation.

    Python

  6. esios-energy-analytics esios-energy-analytics Public

    End-to-end data pipeline: API → DLT → BigQuery → dbt | Spanish electricity system analytics

    Python 1