Raghu Krishnappa
SAP BI/BW and AI Automation Expert
Newtown, PA 18940
Results-driven SAP BI/BW and AI Automation Expert with 26+ years of experience in data warehousing, enterprise solutions, and AI integration. Adept at SAP HANA, BI/BW, ABAP development, and building AI-driven automation workflows. Extensive background in federal IT projects, process optimization, and dashboard development. Passionate about leveraging n8n, Ollama, and AI agents to streamline business processes. Senior developer with 13 years in BI, 4 years in Vertex, and 1 year in AI, specializing in BI, S/4 HANA, Vertex oSeries, SIC, and Accelerator.
- Managed migration from ECC to S/4 HANA, optimizing RICEF objects and implementing S/4 code pushdown concepts
- Built custom AI agents for tax data analysis, integrating Ollama for intelligent insights and decision-making
- Managed migrating the Vertex enhancements during the ECC to S/4 migrations
- Debugged Vertex ABAP code and logs to troubleshoot tax calculation and data mapping issues
- Maintained Vertex oSeries, SIC servers and configured oSeries
- Fixed RFC connectivity issues with Vertex during TJC lookup and tax calculations
- Performed data updates in oSeries and managed the monthly TJC updates in S/4 master data objects
- Created custom ABAP programs to update only changed TJCs from the monthly updates
- Optimized RFC destinations to increase performance times for loading open POs from ECC to S/4 systems
- Worked on implementing address cleansing in ECC and S4 systems
- Created and modified tax jobs in SAP for updating TJCs, AP SPOT reports, and exporting tax data
- Designed ETL pipelines integrating SAP HANA and BW for real-time data processing
- Developed ABAP CDS view extraction for custom sales data reporting
- Created interactive dashboards using SAP Design Studio, enabling better sales expense tracking
- Optimized process chains, reducing nightly data load time by 30%
Bachelor of Science in Biochemistry - Penn State University, University Park, PA
AI Chatbot for oSeries Comparison - Working on creating an AI Agent to compare Tax Data Exports to verify any differences across DEV, QA, and Prod systems.
SAP BI/BW, HANA, Fiori, ABAP, BOBJ, CDS Views, AMDP, oSeries, Accelerator, SIC, n8n, Ollama, AI Agent Development, Machine Learning Integration, LLM Workflows, SQL, Data Warehousing, Performance Optimization, Predictive Analytics, Lumira Dashboards, Business Objects, Crystal Reports, Tableau, JavaScript, SQL, REST APIs, Cloud Platforms (AWS, Google Cloud)
Active Clearance