Vishnu S
Business System Analyst @Shell
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WORK HISTORY
Business System Analyst @Shell
Houston, TX, US
Extensive hands-on experience with advanced Excel for high-volume datasets, leveraging complex formulas, nested logic, lookups (XLOOKUP/VLOOKUP), pivot tables, power queries, and algorithm-driven calculationsUtilizing Python (pandas, openpyxl, numpy) to automate Excel workflows, reduce manual effort, streamline calculations, accelerate data processing, and improve overall operational efficiencyPerforming comprehensive data validation, cleansing, normalization, and reconciliation to ensure end-to-end data accuracy and consistency across enterprise systemsSupporting API-based system integrations, collaborating closely with IT aggregators to align data flows between internal platforms and external distributor systemsManaging and maintaining SKU codes, SKU names, and distributor master data, including direct coordination with distributor partners to resolve discrepancies and data alignment issuesConducting SFTP-based data analysis and file transfer reconciliation, ensuring secure, timely, and accurate movement of data between systemsAnalyzing and optimizing DFOA and NDFOA workflows, including approval logic, exception handling, and system-driven cancellation processesApplying velocity formulas, performance metrics, and operational KPIs to track throughput, efficiency, and system performance trendsExecuting detailed data mapping and transformation activities, translating source system data into target schemas, formats, and business-ready structuresEnsuring precise column-level engineering, placement, and transformation of data within Excel models, automated reports, and system outputsSupporting system-level audits, root-cause analysis, and ongoing process improvements through structured data analysis and reporting
EDUCATION
Sathyabama Institute of Science & Technology, Chennai
Bachelor of Engineering - BE, Computer Science
University of Missouri-Kansas City
Master's degree, Computer Science
ABOUT VISHNU S
Results-driven and detail-oriented Senior Business Analyst with over 4 years of experience delivering data-driven solutions in the banking, financial services, payments, and card domains. Proven expertise in analyzing transactional data, regulatory workflows, and risk metrics to support compliance, operations, and product teams. Adept at creating end-to-end reporting solutions using SQL, Python, Power BI, and Tableau, with hands-on experience in cloud platforms like Azure Synapse and Amazon Redshift. Strong background in Basel AML/KYC, card lifecycle analytics, payment workflows (ACH, ISO 20022), and regulatory reporting. Demonstrated success in optimizing processes, building secure and scalable data models, and enhancing visibility through advanced dashboards and automated insights.
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