Charles Folayemi

About Charles Folayemi

Senior Data Analyst with 7+ years of experience specializing in banking, insurance, financial services, and enterprise IT analytics, with a proven ability to transform complex financial, operational, and customer datasets into strategic insights that drive risk mitigation, optimize operational efficiency, and reinforce regulatory, compliance, and business-driven reporting. Proficient in SQL, Python, and BI tools, with a demonstrated record of enhancing data integrity, automating workflows, and enabling data-driven decision-making for underwriting, claims, fraud, IT operations, and client-facing teams. Adept at collaborating with cross-functional stakeholders to architect scalable data solutions that maximize resource utilization, reduce operational costs, and accelerate overall business performance.

Experience

1. Senior Data Analyst

   Dell Technologies

   Aug 2021 — Present

   Engineered 15+ interactive Power BI dashboards using DAX to monitor operational KPIs across 17 internal business units, enhancing executive decisions and improving operational efficiency by 32%.• Analyzed account and transaction datasets using Python, Time Series Forecasting, and Classification Modeling, detecting more than anomalies, improving IT performance reliability, and reducing potential client service delays by 25%.• Automated 10+ ETL pipelines and orchestrated workflows on AWS (S3, Redshift, Glue) with Kafka streams, ensuring reliable ingestion of 1.5M+ records daily, improving data availability and processing speed.• Created trend analyses and visualizations using Tableau and Matplotlib, leveraging AWS Lambda for serverless processing, delivering actionable insights to IT and client-facing teams, improving reporting efficiency by 28%.• Developed Clustering models using Scikit-learn to identify unusual patterns in system logs and user activity, mitigating disruptions, improving system reliability, and preventing estimated annual downtime costs of approximately $200K.• Performed scalable querying and analytics on structured and semi-structured datasets using AWS Athena, enabling faster insights for IT teams and accelerating reporting timelines by 32%.• Implemented Snowflake as a centralized data warehouse, integrating over 2M records, enabling reproducible analytics, improving cross-functional project delivery and collaboration across 8+ business units.• Applied Predictive Analytics, Feature Engineering, and KPI Tracking to optimize resource allocation, monitor IT operational performance across systems, improving resource utilization by 22%.

Education

• Lagos State University

  Bachelor's degree, Science in Computer Science