Natalia Ferrer

Senior Data Analyst
Madrid, ES.

About

Highly accomplished Senior Data Analyst with over 10 years of experience, including significant tenure at Amazon Spain, specializing in leveraging complex datasets to drive strategic business decisions and optimize operational efficiencies. Expert in statistical analysis, predictive modeling, and developing actionable insights that enhance customer experience and fuel revenue growth. Proven ability to lead data initiatives, collaborate cross-functionally, and mentor teams in fast-paced e-commerce environments.

Work

Amazon Spain
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Senior Data Analyst

Madrid, Madrid, Spain

Summary

Led advanced data analysis initiatives to optimize e-commerce operations and inform strategic business decisions across Amazon Spain's diverse product categories.

Highlights

Developed and deployed a new customer churn prediction model using Python and SQL, reducing churn by 15% and saving an estimated €2.5M annually.

Optimized key performance indicator (KPI) dashboards and reporting systems in Tableau, increasing data accessibility for leadership by 40% and cutting reporting time by 20 hours per week.

Conducted comprehensive A/B tests on website features and marketing campaigns, leading to a 10% increase in conversion rates and a 5% improvement in customer engagement metrics.

Collaborated with cross-functional teams including marketing, product, and operations to translate complex data insights into actionable strategies, resulting in a 7% uplift in regional sales volume.

Mentored a team of 3 junior data analysts, improving their analytical capabilities and contributing to a 25% increase in team project delivery efficiency.

Education

Universidad Complutense de Madrid
Madrid, Madrid, Spain

Master of Science

Data Science

Grade: Distinction

Courses

Advanced Statistical Modeling

Machine Learning Applications

Big Data Technologies

Data Visualization Principles

Universidad Politécnica de Madrid
Madrid, Madrid, Spain

Bachelor of Science

Computer Engineering

Grade: Cum Laude

Courses

Database Management Systems

Algorithms and Data Structures

Software Engineering

Artificial Intelligence Fundamentals

Languages

Spanish
English

Certificates

AWS Certified Data Analytics – Specialty

Issued By

Amazon Web Services (AWS)

Certified Analytics Professional (CAP)

Issued By

INFORMS

Skills

Data Analysis & Business Intelligence

Statistical Analysis, Predictive Modeling, A/B Testing, Data Visualization, KPI Definition, Root Cause Analysis, Business Intelligence Reporting, Market Research.

Programming & Databases

SQL, Python, R, Pandas, NumPy, SciPy, Scikit-learn, PostgreSQL, MySQL, NoSQL.

Tools & Platforms

Tableau, Power BI, Excel (Advanced), AWS (Redshift, S3, EC2, Athena, Lambda), Google Analytics, Jira, Confluence.

Data Engineering

ETL Processes, Data Warehousing, Data Modeling, Data Governance, Data Quality Assurance, Big Data Technologies.

Soft Skills

Strategic Thinking, Problem-Solving, Cross-functional Collaboration, Stakeholder Management, Mentorship, Presentation Skills, Communication, Project Management.