Jaime Costa Centena

My role spans the full lifecycle of AI product development—from defining problems with product teams to coding scalable solutions—while also mentoring junior data scientists and guiding technical design and stakeholder alignment. Key Contributions: - AI-Based Customer Satisfaction Prediction: Led the design and implementation of LLM-powered algorithms to objectively assess customer sentiment across claims and messages. The solution became the company’s primary quality KPI, guiding priorities across major company segments. It has been featured at industry events, including the London AI Summit. - Seller Refund Risk Prediction: Developed a predictive model to assess refund risks linked to seller churn, unlocking millions of dollars in seller liquidity. - Customer Claims Prediction: Implemented autoregressive neural networks on time series, achieving six-figure annual savings. - Order-Level Quality Prediction: Designed an ML framework to identify high-quality refurbished products, reducing defect rates by double digits. - Other Projects: Conducted advanced A/B testing, price elasticity analysis, and various statistical initiatives to support data-driven decision-making.

Served on the Supercharger analytics team located in San Francisco and Amsterdam. Developed a GPS trajectory classification project, crucial for guiding Supercharger investment decisions. Additionally, identified and resolved firmware issues that impacted data cleanliness.

The Inspection at Société Générale, an elite internal audit division, focuses on ensuring compliance and operational integrity. - Crafted an NLP analysis tool to process large volumes of specific textual information, yielding immediate, high-value results - Applied state-of-the-art object detection algorithms on TensorFlow to flag potential non-compliance cases - Conducted ad hoc statistical analysis for the General Inspectorate, identifying investigation areas

Assisted Jean-Noël Barrot in parliamentary tasks, including literature reviews and proposals for an effective evaluation of public policies.

Intern consultant on the Solvency 2 directive, specializing in its impact on infrastructure investments for insurance companies and associated asset managers.

Administered by Institut Polytechnique de Paris and Ecole Polytechnique, part of "Mathématiques et Applications, M2 Data Science". Institut Polytechnique de Paris is ranked 14th globally in Mathematics (QS WUR 2024)

Relevant projects: - Image identification using transfer learning (ENSAE Hackathon) - GDP “nowcasting” project in partnership with Amundi asset management (in R programming language) - Prediction of insurance claims using machine learning (in Python programming language)

- Dean's List for outstanding academic achievement. - Leadership seminars at Saint-Cyr military academy and the French Foreign Legion - Activities and societies: Vice-President of the HEC Entrepreneurship Club / logistics manager at HEC Débats / Treasurer of CheerUp HEC

Two-year preparation course to enter top French business schools. The Lycée Sainte-Geneviève is currently ranked #1 classe préparatoire in France.

Rigorous and for-credit summer program on technological innovation, by Penn Engineering and the Wharton School.