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Dafne Romero

Data Scientist

Sum Up | Berlin

My Work Experience

Where I've interned and worked during my career.

CoachHub - The digital coaching platform | Feb 2022 - Jul 2023

Data Scientist

- Conducted data analysis to understand user behavior on the platform and prepared Streamlit reports to present data analysis results to stakeholders - Built a dropout identification model from scratch and deployed it using AWS services - Developed a Grafana dashboard with RedShift as the data source for live A/B test visualization - Designed an NLP model to accurately identify the language, sentiment, and topic of user feedback

Mercado Libre | Feb 2021 - Feb 2022

Senior Data Science Engineer

- Collaborated on developing and enhancing a recommendation system for the payment mobile application - Developed a text classification model to accurately predict product categories - Conducted comprehensive data analysis to gain insights into menu catalog components for the food application - Improved recommendation algorithms and implemented machine learning models for personalized recommendations - Provided valuable insights to the product design team, contributing to the development of an optimized menu catalog interface

Banco Columbia S.A. | Jul 2020 - Feb 2021

Credit Risk Analyst

- Developed and monitored propensity-to-buy models for various banking products - Built a churn prediction model for high-value customers - Conducted customer segmentation analysis to identify distinct customer groups - Improved marketing campaigns and customer retention through data-driven insights - Enhanced customer targeting and engagement for personalized strategies

PYMNTS | Sep 2015 - Feb 2021

Data Research Analyst

- Analyzed payments and e-commerce trends to provide key insights for clients highlighting market metrics - Researched and shared the latest industry announcements with clients - Estimated retail sales in the USA market using e-commerce and retail company data

Banco Supervielle | Jul 2019 - Jun 2020

Data Scientist

Nielsen | Jan 2018 - Jun 2019

Semisenior Statistical Analyst

- Estimated sales by categories in retailers for a key client in Latin America applying statistical methodology with buyer invoices ensuring accurate results - Collaborated with cross-functional teams to gather and preprocess data for analysis - Enhanced data analysis techniques to derive meaningful insights and trends

Comisión Nacional de Defensa de la Competencia | May 2016 - Dec 2017

Competition Economist

- Conducted extensive market research to gather data and insights on industry trends, market dynamics, and competitive behavior - Analyzed quantitative evidence to identify and assess cases of abuses of dominant position and cartel activities - Collaborated with multidisciplinary teams, including legal experts and economists, to build strong cases against entities involved in anticompetitive practices - Contributing to the formulation and implementation of competition policies

Ministerio de Economía y Finanzas Públicas | Nov 2011 - May 2014

Statistical Analyst

- Gathered and analyzed data on national public debt and developed comprehensive reports on debt trends, repayment schedules, and risks - Collaborated with cross-functional teams to collect and integrate relevant data - Contributed to successful debt conciliation negotiations with the Paris Club

My Education

Take a look at my formal education

Master's degree (Thesis Pending), Economics, EconomicsUniversidad de 'San Andrés' | 2015

Licentiate degree, EconomicsUniversidad de Buenos Aires | 2013

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