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Xavier Carrera

Xavier Carrera

Data Science



My Portfolio Highlights

My New Course

Introduction to Python

My New Project

Dr. Semmelweis and the Discovery of Handwashing

Data painter, using visualization to bring insights to life.

My Work

Take a look at my latest work.


Introduction to Python


Project: Designing a Bank Marketing Database

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

My Work Experience

Where I've interned and worked during my career.

Desafío Latam | Mar 2023 - Present

Data Science Professor


Nowports | Aug 2022 - Present

Data Scientist


Coderhouse | Jul 2022 - Feb 2023

Data Science Tutor

Achievements: - 4.8 / 5.0 Student Satisfaction Duties: - Mentor Data Science students, solving questions and sharing resources - Grade projects - Organize and conduct follow-up sessions to strengthen knowledge
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Homie.mx | Nov 2021 - Jul 2022

Senior Data Scientist

I've led the Data tenants team, which was responsible for working with product, marketing, development and operations teams. Achievements: - +150% tenant user growth (Nov. 2021 vs Jun. 2022) - Deployment of the first machine learning for tenant screening by any Mexican Proptech - Decrease in response time by brokers towards applicants by ~50% Projects: - Researching and developing screening models for tenants. - User Research: Millennials and Gen Z Rentals - Key Performance Indicators Monitoring and Analysis - Insights for Product Teams and Improvement of the Customer Journey - Support on Data Journalism

Nestlé | Mar 2021 - Nov 2021

Data Scientist

My main role was to drive growth and sustain brand positioning of all Nestlé's business units through data and machine learning. Achievements: - 10 to 20% market share increase after analysis performed on Milk Powders, Coffee, Cereal and Chocolate brands. - ~15% increase on sales on major supermarket brands after forecasting future performance. Projects: - Built diagnostic and predictive models for demand analysis (price elasticity, optimal pricing, sales forecast and market share). - Built and automatized data pipelines. - Built and automatized data integrity and quality processes. - Management with stakeholders and third-party contractors for the deployment of large scale machine learning models.

Upwork | Jan 2021 - Present

Data Scientist


Upwork | Mar 2019 - Dec 2020

Digital Marketing Specialist

I assisted businesses to expand to Spanish-speaking markets using proven strategies. Main projects include: - Search Engine Optimization - Content Writing and Adaptation (EN-ES) - Copywriting - Keyword and market research - Social Media - Corporate eBook Ghostwriting

Share Square | Jan 2018 - Feb 2019

Strategy Manager

My main role focused on marketing and PR. As a main result, I strengthen the market position of Share Square within Serbia. Achievements: - Lead an interdisciplinary and excellent team of 12 highly motivated individuals. - Coordinating corporate events for international brands. - Organizing spotlight talks with some of the top influencers in Serbia. - Plan, arrange, organize and coordinate adult education workshops and seminars. - Provide sound financial results regarding the strategic initiatives which I took care of.

My Education

Take a look at my formal education

Online Education Platzi | 2023
DataCamp | 2021
Master’s Degree, Democracy and Human RightsUniversità di Bologna | 2016
Exchange Program, Public Administration LawUniversity of Zagreb/Sveuciliste u Zagrebu | 2015
Master’s Degree, Political ScienceKarl-Franzens-Universität Graz | 2015

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