Hello,
I'm Guillermo Filgueira
Data Engineer & ML | Zurich
I build reliable data pipelines, production APIs, and ML systems — from lakehouse batch jobs to real-time services on VPS and cloud.
MSc Computational Science (UZH) and Mathematics & Computer Science (UPM). Based in Zurich, working across Python, SQL, Spark, and modern DevOps.
Areas of Specialization
Data Engineering
ETL/ELT, lakehouse patterns, orchestration, and observability for analytics-ready datasets.
Machine Learning
Forecasting, NLP, and recommendation systems with rigorous offline evaluation.
Backend & DevOps
FastAPI services, Docker, CI/CD, and secure VPS deployments behind Caddy.
Programming
Python, SQL, TypeScript, and PySpark with a focus on maintainable production code.
Recent Experience
Data Foundation Data Engineer
SCOR
May 2026 - Present | Zurich / Hybrid
Data ingestion pipelines, Palantir Foundry, data quality & AI agents
Web Engineer (Freelance)
LeihBOX
Feb 2026 - Present | Remote
Bug fixing, automation & performance optimization
Research Assistant
University of Zurich (UZH)
Jan 2025 - Present | Zurich
Web scraping, data analysis & LLM fine-tuning