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Piergiacomo FonsecaPF

Piergiacomo Fonseca

Data Scientist/Analyst | ML Engineer - PhD

€250/day
Barcelona, ES
3-7 years

Average response time: 1 hour

About Piergiacomo

Data Scientist with a PhD in quantum photonics and 5+ years turning complex data into actionable insights.

Specialized in end-to-end ML and AI solutions, from data ingestion and ETL automation to model deployment and agentic LLM applications.

CERTIFICATIONS:
- Google Cloud Certified Professional Machine Learning Engineer
- Google Cloud Certified Professional Data Engineer
_Tableau Certified Consultant
_Udemy SQL Bootcamp
_20+ Google Cloud Badges
_10+Linkedin Data Science Certifications

MAIN SKILLS:
_Phyton : Visual Studio, PyCharm, Jupyter Notebooks
[pandas, geopandas, numpy, scipy, statsmodel, scikit-learn, pytorch, tensorflow, matplotlib, seaborn, google api....]
_SQL : MySQL, Postgres, Google BigQuery
_GCP Platform
_Google Apps Script
_Tableau
_Looker Data Studio

Analytical, collaborative, and results-oriented, with strong communication skills and fast learning capabilities.

I lived and worked in three different countries. Fluent in Italian, English and Spanish.
  • Italian

    Native or bilingual

  • English

    Fluent

  • Spanish

    Fluent

Remote only
Primarily works remotely

Experience

  • DDMind
    Data Scientist
    April 2025 - Today (1 year and 3 months)
    Barcelona, Spain
    Agentic AI platform for private-market investors, combining LLMs with quantitative engines to deliver verifiable, IC-ready analyses.
    • Owner of the Quant Insights module: end-to-end design and development of the data analysis pipeline
    • Development of Agentic Workflows: AI-driven data ingestion (Excel/CSV) with automatic table recognition, schema summaries, health checks, and agent-led cleaning with human-in-the-loop
    • Library of configurable analyses (aggregations, time-series, etc.) with interactive tables, charts, and LLM-generated insights explaining results
    • Full-stack contributions: Streamlit prototyping → backend integration, plus frontend work (AG Grid)
    Python Fullstack AI Agents Data Pipelines Financial Analysis
  • Hoverture
    Data Scientist
    January 2022 - Today (4 years and 6 months)
    Barcelona, Spain
    • Helping translate business problems into data science models
    • Data scraping, cleaning, and development of databases -Python/SQL
    • Project and development of ML algorithms
    • Support digital/data driven transformation projects - Google Cloud Platform
  • Unioncrate
    Data Analyst
    September 2021 - January 2022 (4 months)
    Barcelona, Spain
    Building a next-generation AI integrated business planning platform
    • Responsible for onboarding processes, analysis and evaluation of clients data
    • Developing ETL processes, integration pipelines, data formatting automation Python/SQL
    • Working with Account Management teams for service improvements - clients reports

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Education

  • Doctor of Philosophy
    UCL
    2017
    Doctor of Philosophy - PhD, Physics
  • Master of Physics
    University of Camerino
    2013
    Master's degree, Physics

Certifications

Skill set

Categories