Data Analyst
Current• Processing data from tools such as Snowflake and writing complex queries in SQL or SAS using complex joins, sub-queries, Table creation, Aggregation, and using concepts of DLL, DQL and DML.• Developed Complex Mappings for creating match-merge reports for ACO Provider.• Tuned performance of Outbound ETL. Performed CDC based on MDM last update date, which is indexed and maintained by MDM. Used the parameterization template mapping/session for each base object and had that as first task in the Workflow.• Predictive analytics, healthcare fraud detection and prevention methods, using R/SAS Enterprise miner/machine learning. Worked as production support team to resolve production issues caused by data, UI code and backend code.• Tuned performance of Informatica session to optimize the EMPI data load to landing process. Created Pre-Landing tables in Oracle and bulk loaded them. Used SQL Transformation in Informatica Designer to populate the data from Pre-Landing tables to actual Landing tables.• Created mappings for loading data files received from different Sources like ECHO, HMS, and CLARITY, worked with different kinds of input files like CSV, XML, Tab delimited files.• Created Views which were used by Micro-Strategy team to display Provider data in the portal.• Worked with Business analysts and the DBA for requirements gathering, business analysis and designing of the data warehouse.• Used PL SQL stored procedures as part of mappings to improve performance.• Configured match rule set property by enabling search by rules in MDM according to Business Rules.