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Ángel de Jaén Gotarredona

Ángel de Jaén Gotarredona

Data Scientist

Self Employed | Europe

Technologies

My Portfolio Highlights

My New Track

Image Processing

My New Track

Machine Learning Fundamentals

My New Course

Introduction to PySpark

My New Track

Image Processing

Happy professional bringing quality results

My Work

Take a look at my latest work.

track

Image Processing

course

Intermediate SQL Queries

course

Market Basket Analysis in R

track

Machine Learning Fundamentals

course

Introduction to Power BI

course

Introduction to PySpark

track

Image Processing

DataCamp Course Completion

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

Courses

Introduction to Python
Introduction to SQL
Introduction to Power BI
Intermediate Python

My Work Experience

Where I've interned and worked during my career.

Surfing Data Analytics | Mar 2022 - Present

Data Scientist

N/A

Tourlane | May 2020 - Mar 2022

Sr. Data Scientist

Main tasks: - Online Marketing optimization - Sales Optimization Main tools: - Python: pandas, xgboost, ... - SQL: dbt and SnowFlake - Google Ads API, Bing Ads API - Others: Looker, Fivetran, Amazon S3, mlflow, ...
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Tourlane | Jan 2020 - Apr 2020

Sr. Data Scientist - Paid Search

N/A

heycar | Jun 2018 - Apr 2019

Sr. Data Scientist

Helping to develop the Data Science area in the first stages of the company: - Generation of features summarizing the users web activity (Necessary pillar for many others Machine Learning projects) using SQL and pandas - Predictive analytics based on the historic web activity automatizing the train set, target and validation set generation following a proper time series pipeline, using SQL and Python ( pandas , xgboost , ...) - Segmentation of the users and definition of segments' stability checks - Definition of validation metrics to measure the recommender systems performance - Ad-hoc descriptive analytics to support product and design decisions - Proposal and supervision of our Intern Student projects

Telefónica | Dec 2017 - Jun 2018

Sr. Data Scientist

N/A

GoToDigital | Sep 2017 - Nov 2017

Sr. Data Scientist

Definition and implementation of a data driven eMail marketing MVP

Freelancer | Aug 2017 - Present

Data Scientist

N/A

Self-employed | Aug 2017 - Present

Data Scientist

N/A

qosITconsulting | Jul 2016 - Aug 2017

Data Scientist

Collaborating with my co-workers to boost the Big Data & Analytics area leading the Statistical Inference and Predictive Analysis in some of our Data Analysis projects.

Universidad de Sevilla | Apr 2016 - Sep 2016

Research Technician

My responsibility was giving data analytics support to research projects. - Classification of Colorectal Cancer Patients based on their gene expressions. - Inference of a diamond price based on its characteristics and the information from the diamond market.

Canal de Isabel II Gestión | Oct 2013 - Oct 2015

Jr. Data Analyst

These are the main tasks I carried out as a Data Scientist at Canal de Isabel II Gestión: - Data Analysis to detect anomalies in the clients’ water consumptions applying Machine Learning techniques in Matlab and R - Establishment of Data Quality Controls using SQL (with Access and Oracle) and ArcGIS - Data Standardization Mechanisms Development using SQL - Analysis of Potential Fraud by linking Cadastral Parcels to clients/contracts using SQL and ArcGIS to detect Cadastral Parcels that don’t have a water supplying contract. - Mapping Cadastral Parcels Suitable for Investigation using ArcMap - Customer Segmentation and Non-Payment Prediction with Data Mining techniques using R and SQL.

My Education

Take a look at my formal education

Máster Universitario Oficial en Ciencia de Datos e Ingeniería de Computadores, Data Science and S...Universidad de Granada | 2017
Master in Professional Development Universidad de Alcalá | 2014
Licenciatura en Matemáticas, GeneralUniversidad Complutense de Madrid | 2013
ESTALMAT project, Encouragement and development of mathematical talent.Real Academia de Ciencias Exactas, Físicas y Naturales | 2006

About Me

Ángel de Jaén Gotarredona

10 years of experience analyzing data and applying Machine Learning, the last 6 on a freelance basis, in different sectors: utilities, university research, supply chain, manufacturing, marketing, telecommunications

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