About 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
Catalan
Native or bilingual
Spanish
Native or bilingual
English
Native or bilingual
Italian
Fluent
Remote only
Primarily works remotely
Experience
- SDG Group | RemoteData Engineer ConsultantJanuary 2024 - Today (2 years and 5 months)• 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 ScientistJanuary 2023 - January 2024 (1 year)• 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 AnalystFebruary 2022 - July 2022 (5 months)• 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.
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Education
- Master of ScienceUniversity of Barcelona2023Master's Degree in Data Science
- Data Analytics & Machine Learning BootcampUbiqum Code Academy2023Data Analytics & Machine Learning Bootcamp