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robertofd31/README.md

Hi, I'm Roberto Fajardo 👋

Statistician & Data/ML Engineer | Bridging Data & Infrastructure

I am a Statistician by training and a Data/ML Engineer by practice. My career is defined by a hybrid approach: I combine the analytical rigor of traditional finance with the technical agility required to build modern, scalable cloud systems.


📂 Portfolio Overview

My work spans the entire data lifecycle, from building the foundational architecture to deploying high-level predictive models. My portfolio is built on three main pillars:

  • Financial Engineering: Experience in traditional banking (Bank Sabadell), optimizing complex credit risk models and large-scale financial workflows.
  • Web3 & DeFi Infrastructure: As the founder of Orwee, I designed and deployed end-to-end cloud architectures, real-time ETL pipelines, and custom APIs to handle massive on-chain datasets.
  • AI & Quant Systems: Development of specialized AI Agents (LangChain) for regulatory compliance and quantitative algorithms for automated liquidity management (ALM) and market simulation.

Whether it's automating 80% of a company's reporting flow or building a terminal that reads millions of data points, my goal is always to reduce complexity through resilient engineering.


🛠️ Tech Stack

  • Core: Python (Advanced), SQL, SAS, R.
  • Infrastructure: AWS Cloud, ETL/ELT Pipelines, NoSQL, API Design.
  • Intelligence: LangChain (AI Agents), Predictive Modeling, Time-series Analysis, Backtesting.
  • Analytics: Power BI, Tableau, Advanced Statistical Modeling.

💼 Professional Snapshot

  • Bank Sabadell | Data Hub Specialist - Credit Risk & Analytics.
  • Orwee Solutions | Founder & Lead Engineer - DeFi Infrastructure.
  • ChainTaxFlow & Plutus | Freelance Data Scientist - On-chain Analysis & AI.
  • Albeit Capital | DeFi Analyst - Data Automation & BI.

🎓 Education

  • Master’s Degree in Big Data | Universidad Europea.
  • Bachelor’s Degree in Statistics | Universidad Complutense de Madrid.

📫 Connect with me

LinkedIn Portfolio Email

"Transforming raw data into scalable systems and actionable insights."

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