Luciana Zeferino
@lucianazeferino
Badges
Certifications
Work Experience
Data Analyst
Vulog• October 2022 - Present• Nice – FR
Vulog is the leader in shared mobility technology, revolutionizing fleet operations and profitability with its AI-based SaaS platform. ▸ Conducted comprehensive data exploration to identify trends and patterns, proposing analyses and KPIs that enhanced decision-making and operational management. ▸ Created detailed reports and interactive dashboards for internal and external clients using Tableau to measure and analyze fleet performance, ensuring the information is accessible and actionable. ▸ Designed and maintained automated tools for data extraction, preparation, and modeling. ▸ Established and maintained ETL pipelines using Tableau Prep Builder to streamline data transformation processes, ensuring high data quality and integrity. ▸ Implemented a centralized data security solution with Row-Level Security (RLS) directly at the data source, reducing data management complexity and enhancing security. ▸ Ensured compliance with data protection regulations in data processing activities. ▸ Designed comprehensive training materials and presentations to facilitate the adoption of developed tools by users.
Education
Openclassrooms
MSc Machine Learning Engineer• December 2023 - Present
Focus on supervised and unsupervised learning, deep learning, model evaluation, data preprocessing, and the use of Python, NLP, computer vision, MLOps, and cloud platforms like AWS and Azure
Data Science Tech Institute
MSc in Data Analytics• October 2022 - December 2023
Work-study program focusing on key data analytics skills such as SQL for database querying, Python and R for statistical analysis, data visualization with Power BI and Excel, ETL processes, and CRM data management.
Openclassrooms
BSc in Data Analytics• October 2021 - October 2022
Project-based program, using real-world cases to develop practical skills. Projects include market analysis, counterfeit note detection, income prediction, and dashboard creation for business insights, emphasizing tools like Power BI, Excel, Python, R, and SQL.
