Hello
I'm Guillermo Filgueira
Data Engineer & ML | Zurich
Data Engineer specialized in building reliable data pipelines and production-ready systems using Python and SQL. Experience in web scraping, API integrations, cloud deployments (AWS/Docker), and data modeling.
Currently pursuing an MSc in Computational Science at the University of Zurich, with a background in Mathematics & Computer Science (UPM). Interested in Data Engineering, ML/forecasting, and quantitative analysis.
Areas of Specialization
Data Engineering
ETL/ELT pipelines, web scraping, APIs, data modeling, data quality, SQL (PostgreSQL/MySQL)
Machine Learning
Time series forecasting, regression, neural networks, TensorFlow, computer vision, feature engineering
Backend & DevOps
FastAPI, Docker, Linux, AWS, MinIO (S3), Git, testing/automation, Agile/Scrum
Programming
Python (advanced), R, Java, C/C++, MATLAB
Recent Experience
Research Assistant
University of Zurich (UZH)
Jan 2025 - Present | Zurich
Web scraping, data analysis & LLM fine-tuning
Web Engineer (Freelance)
LeihBOX
Feb 2025 - Present | Remote
Bug fixing, automation & performance optimization
Backend Developer Intern
Nihito.io (ETH Startup)
Jun 2025 - Mar 2026 | Zurich
FastAPI, PostgreSQL & DevOps