Joao Quintela
Senior Data Analyst
Python
lifelines
Pandas
Airflow
Metabase
Devoteam
Senior Data Analyst
Python
lifelines
Pandas
Airflow
Metabase
Project: 360 Client View
Cohort LTV, churn survival с Kaplan–Meier + semi-parametric hazard, uplift vs. CAC.
Python
lifelines
Pandas
Airflow
Metabase
View case →
Outsystems APP Analysis
Bayesian elasticity (hierarchical), demand curves, promo impact, counterfactuals.
PyMC
Arviz
NumPyro
Plotly
View case →
Credito Agricola
Graph features + XGBoost; precision@k ↑, manual review ↓. Interpretable rules.
XGBoost
NetworkX
Feature Store
View case →
Activation Funnel Deep-Dive
Event schema, DAU/WAU, retention curves, causal DAGs, AB test power analysis.
SQL
dbt
BigQuery
DoWhy
View case →
Other projects
Senior Data Analyst
Python
lifelines
Pandas
Airflow
Metabase
DEVOTEAM
Cohort LTV, churn survival с Kaplan–Meier + semi-parametric hazard, uplift vs. CAC.
Python
lifelines
Pandas
Airflow
Metabase
View case →
Johnson & Johnson
Bayesian elasticity (hierarchical), demand curves, promo impact, counterfactuals.
PyMC
Arviz
NumPyro
Plotly
View case →
Fraud Signals
Graph features + XGBoost; precision@k ↑, manual review ↓. Interpretable rules.
XGBoost
NetworkX
Feature Store
View case →
Activation Funnel Deep-Dive
Event schema, DAU/WAU, retention curves, causal DAGs, AB test power analysis.
SQL
dbt
BigQuery
DoWhy
View case →