Acerca de Arnau
Need to turn your data into powerful business insights?
I’m Arnau Andrews, a Data Scientist dedicated to helping you make smarter decisions. I specialize in statistical analysis, machine learning, and data visualization, transforming raw data into actionable strategies that drive business success. My focus includes enhancing business growth, improving marketing and sales KPIs, and understanding seasonal trends.
Why Hire Me?
Insightful Analysis: I uncover patterns and trends to boost product and service performance, driving business growth and enhancing marketing and sales KPIs.
Machine Learning Expertise: I design and implement models to optimize operations, predict trends, and improve customer experiences.
Data Management: I build and maintain efficient data systems for business intelligence and strategic decision-making.
Compelling Visualizations: I create impactful visualizations and dashboards using PowerBI, making complex data easily understandable for stakeholders.
Technical Proficiency: Skilled in Python, SQL, R, and Azure, I deliver actionable insights that impact your bottom line.
Skills
- Big Data & Machine Learning: Python, R, SQL, PowerBI, Azure, ETL
- Data Science: Data mining, visualization, statistical modeling, machine learning
- Advanced Analytics: A/B testing, time series analysis, hypothesis testing, NLP
- Data Visualization: PowerBI, Tableau
Education
Master’s Degree in Data Science, University of Barcelona | 2022 - 2023
Data Science & ML Bootcamp, Ubiqum Code Academy | 2022 - 2023
Degree in International Business & Marketing, Pompeu Fabra University | 2018 - 2022
Catalán
Bilingüe o nativo
Español
Bilingüe o nativo
Inglés
Bilingüe o nativo
Italiano
Competencia profesional completa
Solo teletrabajo
Lleva a cabo sus proyectos principalmente en remoto
Experiencia
- SDG Group | RemoteData Engineer Consultantenero de 2024 - Hoy (2 años y 5 meses)• Managed over 1000 tables, 200 pipelines and 400 dataflows using Azure Data Favtory, ensuring efficient ETL processes• Implemented efficient data integreation with GitHub for streamlined collaboration• Used PowerBI, DAX, and SQL for dashboarding, metrics, and database management, ensuring effective data analysis.
- Treatwell, RemoteData Scientistenero de 2023 - enero de 2024 (1 año)• Processed data comprising 2M records with 50 + variables using Python, ensuring data quality through comprehensive cleaning, wrangling, and consistency checks.• Utilized statistical analysis techniques to identify critical factors influencing salon cancellations, leading to a 7% reduction in salon cancellations within the first quarter.• Employed Shap Values and LIFT analysis, identifying 5 critical churn-influencing variables, improving model robustness and generalization, while reducing data usage by 88% with maintained predictive accuracy. Employed supervised and unsupervised machine learning to enhance Churn Prediction Model accuracy by 300%.
- DammMarketing Insights Analystfebrero de 2022 - julio de 2022 (5 meses)• Analyzed market trends and consumer preferences in the EMEA beverage industry using GlobalData, providing weekly reports with actionable insights that contributed to marketing strategies.• Collaborated effectively with cross-functional teams to translate insights into targeted marketing strategies, contributing to a 14.2% growth in export sales during the second quarter.
Recomendaciones
Estos perfiles de freelance también coinciden con tus criterios
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Formación
- Master of ScienceUniversity of Barcelona2023Master's Degree in Data Science
- Data Analytics & Machine Learning BootcampUbiqum Code Academy2023Data Analytics & Machine Learning Bootcamp