MIDHUN CH

Experience

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  Cognizant

  May 2019 - Jul 2022

  Data Analyst

  Spearheaded the creation of interactive Power BI dashboards to analyze revenue streams across varioushospitality services, boosting data-driven decision-making efficiency by 30%.• Leveraged SQL Server for robust data extraction and manipulation, cutting data processing times by 40% and maintaining high data integrity for reliable revenue reporting.• Utilized Python for developing predictive models, accurately forecasting revenue trends with a 90% accuracy rate, which significantly aided in strategic planning and resource allocation.• Designed and built data dimensions and cubes using Snowflake and STAR schema in SSAS, which enhanced data modeling capabilities and deepened revenue insight extraction.• Developed and maintained SSIS packages to integrate data from diverse sources such as MySQL, Oracle, SQL Server, Teradata, and flat files, enhancing data integration efficiency by 50%.• Orchestrated the optimization of ETL processes, enhancing performance by streamlining workflows toaccommodate increasing data volumes and complexity, thereby improving overall data handling efficiency. Show less

• 

  PayPal

  Jan 2023 - now

  Data Engineer

  • Managed the integration of AWS Redshift, optimizing cloud resources to improve data storage and processing capabilities while ensuring cost efficiency.• Automated ETL processes using Apache NiFi and AWS Glue, streamlining data transformations to facilitate cleaner and more reliable data inputs.• Integrated advanced BI tools Power BI, enhancing data visualization and enabling sophisticated reporting for better decision-making.• Enforced robust security protocols using AWS IAM and KMS to safeguard sensitive financial data and comply with industry regulations. Show less