Devi Shaiva

Background

About Devi Shaiva

Senior Systems Engineer | Programmer Analyst | Data Analyst Mainframe Developer | Data-Driven Problem Solver I am an experienced Programmer Analyst, Senior Systems Engineer, and Data Analyst with a strong background in mainframe development, data analysis, and enterprise solutions. My expertise spans COBOL, JCL, DB2, CICS, VSAM on mainframe systems and SQL, Python, ETL, Power BI, and Tableau for data analytics—allowing me to develop, optimize, and transform complex systems while extracting valuable business insights. Key Skills & Expertise: Mainframe Development: COBOL, JCL, DB2, CICS, VSAM, REXX Data Analytics & Business Intelligence: SQL, Python, ETL, Power BI, Tableau, Data Warehousing Database Management: DB2, SQL Server, Oracle, Data Modeling Performance Optimization: System Tuning, Process Automation, Legacy System Modernization Software Development: SDLC, Agile, Debugging, Troubleshooting What I Do Best: Develop and maintain mainframe applications critical to enterprise operations Analyze and transform large datasets into actionable business insights Optimize system performance and automate workflows for efficiency Ensure data integrity and streamline ETL pipelines for reporting and analytics Bridge the gap between legacy and modern systems to drive business transformation Passionate About: Enhancing business efficiency through mainframe and data-driven solutions Leveraging advanced analytics for strategic decision-making Modernizing legacy systems while ensuring high performance