https://jibeyjb.github.io/projects/Recent content in Projects on Jean-Baptiste AttiéHugoen-usThu, 01 Oct 2026 00:00:00 +0000https://jibeyjb.github.io/projects/le-carnet-de-prepa/Wed, 01 Jan 2025 00:00:00 +0000https://jibeyjb.github.io/projects/le-carnet-de-prepa/Designed, produced and sold a physical study notebook for French prépa students. Full-stack e-commerce site built with Claude Code, automated Stripe-to-print-on-demand pipeline, Meta Ads. 340+ sales and €9,000 revenue in one year.https://jibeyjb.github.io/projects/credit-default-scoring/Thu, 01 Oct 2026 00:00:00 +0000https://jibeyjb.github.io/projects/credit-default-scoring/Machine learning model (logistic regression, gradient boosting) estimating customers’ probability of default on a 30-million-row dataset, plus a SAS-to-Snowflake database migration for pipeline automation.https://jibeyjb.github.io/projects/johns-hopkins-edp/Wed, 14 Aug 2024 00:00:00 +0000https://jibeyjb.github.io/projects/johns-hopkins-edp/Six-month research stay at the Johns Hopkins Department of Mathematics. Proved an exponential convergence rate toward the stationary profile using entropy methods, and wrote the research report in LaTeX.https://jibeyjb.github.io/projects/neural-networks-i2m/Thu, 01 Jun 2023 00:00:00 +0000https://jibeyjb.github.io/projects/neural-networks-i2m/Research work-study at the Institut de Mathématiques de Marseille: neural network theory, TensorFlow experiments, and a gradient-aware sampling method that improves approximation where the target function varies sharply.https://jibeyjb.github.io/projects/natixis-billing-automation/Wed, 15 Jan 2025 00:00:00 +0000https://jibeyjb.github.io/projects/natixis-billing-automation/Custom VBA tool that extracts, transforms and visualizes MT-191 billing data for the Cash Management team. Built from business users’ requirements; processing time cut from 2 hours to 3 minutes.