Freelancer profile translated to English.
Back to original languageAbout Marc
I am a freelance Data Scientist and Biostatistician with three years of experience applying statistics and machine learning to real-world problems in both business and healthcare. I hold a degree in Statistics and am currently pursuing a Master's in Statistics for Data Science at UC3M on a part-time basis.
🔹 Viselab (Data Science, AI & BI) – Long-term collaboration
I collaborate with Viselab, leading end-to-end projects in sectors such as real estate, retail, and engineering, focusing on predictive modeling, dashboards (BI), and applied artificial intelligence, deploying containerized solutions (Docker) tailored to client needs.
🔹 Datexbio (Biostatistics) – Long-term collaboration
I collaborate with Datexbio, providing statistical support in clinical, epidemiological, and omics studies, contributing to high-impact publications in collaboration with hospitals and public entities such as Vall d’Hebron, Hospital del Mar, or the Public Health Agency of Catalonia (ASPCAT).
🧠 Modeling & Machine Learning
- Domain areas: GLM's, GAM's, GLMM's, Multivariate Analysis, Classical Machine Learning, Survival Analysis, Explainable AI, Bayesian Modeling, and notions of Deep Learning.
- R: tidymodels, caret, survival, randomForest, xgboost, nnet, keras, lavaan
- Python: scikit-learn, pandas, numpy, statsmodels, tensorflow, keras
- Bayesian & Multivariate: brms, rstanarm, lavaan, Mplus (via MplusAutomation)
📊 BI & Visualization
Power BI, Tableau, Metabase, Excel, ggplot2, plotly, shiny
🛠️ Deployment & DevOps
Docker (for containerized dashboard and model apps)
Spanish
Native or bilingual
English
Fluent
Catalan
Native or bilingual
Can work on-site
Madrid (up to 50km), Madrid (up to 50km)
Experience
- VISELABData ScientistSOFTWARE PUBLISHINGJune 2025 - Today (1 year and 2 months)Barcelona, SpainI collaborate with VISELAB on the development of Data Science projects for various types of businesses. We have clients in sectors such as real estate, retail, engineering, etc. My specialty is the development of predictive models that can help the business, as well as the implementation of BI solutions, using tools like Power BI, Tableau, Metabase, etc.
- datexbioFreelance BiostatisticianMEDICALJuly 2024 - Today (2 years and 1 month)Barcelona, SpainLong-term collaboration with Datexbio as a freelance biostatistician. My work involves developing different types of statistical models (regression models, survival models, classification, clustering, etc.), depending on the researchers' objectives. Each project is usually associated with the publication of one or more scientific articles, primarily in the fields of medicine, health, and pharmacy.
- NTT DataData Analyst InternCONSULTING AND AUDITSJanuary 2024 - June 2024 (5 months)Madrid, SpainContributed to the development of Endesa's sales reporting system using SQL, Python, and QlikView. Focused on data extraction, automation, and dashboard maintenance, while ensuring accuracy and consistency in collaboration with data engineering and BI teams.
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Education
- Master of Arts in StatisticsCARLOS III UNIVERSITY OF MADRID2027Master in Statistics for Data Science
- B.S in Statistics & BusinessCARLOS III UNIVERSITY OF MADRID2024B.S in Statistics & Business
Certifications
- Developing web applications with R & ShinyIMIM (Institut Hospital del Mar d'Investigacions Mèdiques)2025
- Computational Statistics with PythonUC3M (Universidad Carlos III de Madrid)2023