Results-driven Data Analyst with expertise in Python and SQL, previously at AT&T. Proven track record in developing interactive dashboards and conducting statistical analyses to enhance business performance. Strong collaborator with excellent communication skills, delivering actionable insights that drive data-driven decision-making and optimize strategies across departments.
Experienced with data manipulation, statistical analysis, and data visualization. Utilizes advanced analytical techniques to uncover trends and inform business strategies. Track record of employing critical thinking skills to solve complex problems and deliver meaningful insights.
Detail-focused Data Analyst with knowledge in data warehousing, process validation and business needs analysis. Proven to understand customer requirements and translate into actionable project plans. Dedicated and hard-working with passion for Big Data.
Responsibilities:
· Gathered data-related requirements from clients to ensure local and regional data needs were met, facilitating data-driven decision-making.
· Evaluated complex business requirements and performed data analysis to assess customer activities, identifying optimal data solutions and alternatives for process improvements.
· Prepared and reviewed Gap Analysis Documents (GAD), mapping data requirements to product functionalities and identifying necessary customizations to meet client specifications.
· Collaborated with UI/UX designers to develop wireframes and prototypes for UI enhancements, improving data visualization and user interaction with data tools.
· Extracted business requirements from end-users and created Business Requirement Documents (BRD), ensuring that data needs were accurately captured and translated into actionable insights.
· Performed testing during User Acceptance Testing (UAT) to ensure data integrity and provided approvals during production to ensure successful deployment of data solutions.
· Created Business Requirements, Functional Design, and Functional Specification Documents, ensuring all data-related requirements were clearly outlined for development teams.
· Analyzed and optimized SQL Server production databases, improving query performance and ensuring data accuracy for reporting and analytics.
· Wrote and optimized SQL scripts to extract and transform data into data sets for reporting purposes.
· Created and managed on-demand and ad-hoc reports using Microsoft Excel (pivot tables, charts, VLOOKUP, and conditional formatting).
· Constructed dashboard and ad-hoc reports in Excel and Tableau.
Environment: SQL Server, UI/UX, BRD, UAT, Business Analysis, Gap Analysis, Tableau, MS Excel, VLOOKUP, VM, SQL scripts.
Responsibilities:
· Worked with the data modeling team to create conceptual, logical and physical data models for the Regulatory Data Repository so that it accommodates accounting and reg-reporting requirements of several Systems of Records.
· Implemented metadata standards, data governance, master data management, ETL, data warehouse, data marts, reporting, dashboard, analytics, segmentation, and predictive modeling.
· Performed Metadata & Data Dictionary Management, Data Profiling, Data Mapping, DDL & DML generation & usage.
· ETL Design & Implementation - Data Extraction, Transformation & Loading (using Informatica, SSIS, SQL & PL/SQL)
· Used Data warehousing for Data Profiling to examine the data available in an existing database and also created Data Mart.
· Designed and developed complex SQL stored procedures and SSIS packages for ETL processes to load the data warehouse.
· Analysis and Physical data module for ETL Mapping extensively used Informatica Power Center for loading the data from various sources involving Fact files and Oracle tables.
· Involve in the Analysis, design, testing and Implementation of Business Intelligence solutions using Data Warehouse, ETL, OLAP, Client/Server applications.
· Built various packages in SSIS to load the data coming from various input sources like excel, flat files.
· Experience with BI Reporting in Design and Development of Queries, Reports, Workbooks, Business Explorer Analyzer, Query Builder, Web Reporting.
· Performed testing for Medicare, Medicaid and X-Over claims for Medicaid Management Information System (MMIS)
· Extensive experience in ETL/ Data warehouse backend testing and BI Intelligence reports testing.
· Designed and Developed Oracle PL/SQL and Shell Scripts, Data Import/Export, Data Conversions and Data Cleansing
Environment: Visual Studio. .NET, VB.NET, SQL Server, SSIS, SSRS, VSS, Crystal Reports, MS office, Visio, Windows 7.