Oswaldo

Data analyst with expertise in data quality and visualization

Video resume

Data analyst

I am a data analyst. My focus on efficiency and data quality has contributed to improvedndecision-making in the projects in which I have participated.nI have experience in data capture and cleaning using Excel and can perform SQL queries forndata extraction and analysis. I am competent in Python and R to perform data analysis. Forndata visualization, I can use Power BI.

Contact

Toluca Lerdoensis, México, Mexico

Open to remote

Available on CazVid

Contact via CazVid

Competencies

Data AnalysisAdvanced

Performed data analysis using Python, R, and SQL to extract insights for decision-making

Data Cleaning and ProcessingAdvanced

Processed and cleaned large datasets using Excel to ensure accuracy and reliability

Data VisualizationIntermediate

Created data visualizations with Power BI to present complex data clearly to stakeholders

Query WritingIntermediate

Performed SQL queries for data extraction and analysis to support various projects

Summary

Experienced data analyst specializing in data cleaning, analysis, and visualization to support decision-making.

Key Achievements

Contributed to improved decision-making by enhancing data quality and efficiency
Experienced in data capture, cleaning, and analysis using Excel, SQL, Python, and R
Proficient in data visualization with Power BI to support stakeholders

Skills

Data AnalysisData Cleaning and ProcessingData VisualizationQuery Writing

Published on CazVid - Jul 3, 2025

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