Naga Raju Raghavapurapu

PROFFESIONAL SUMMARY: Over 10 years of Combined Industry experience as a Business Intelligence Solution expert with High Proficiency in BI Reporting end to end analysis, design, development and delivery using BI and ETL tools such as OBIEE, Tableau Developer & Qlik sense Developer, Big Data Developer, Scala, Spark, Cloud Support Engineer along with Data Analysis/Business Analysis. System Analysis & Design, Development, testing and implementation of BI/Data Warehousing projects using Tableau, Micro Strategy, Domo, etc. in Insurance, Finance, Banking. Strong Understanding of software Development Cycle (SDLC) phase such as Requirement analysis, Design, Development, Testing and Deployment of Business Intelligence and Database Platforms. Extensive experience in creating UI visualizations with Tableau Desktop, Tableau Server and Tableau Reader in various versions of Tableau 2022, 2021, 2020,2019,2018 ,10.x/9.x/8.x/7.x/6. x/5.x/4. x. Implemented Migration Projects from OBIEE to Tableau. Implemented Migration Projects from Tableau to Qlik sense. Skilled in Tableau Reader, Tableau Desktop for data visualization, Reporting and Analysis; Scatter Plots, Geographic Map, Pie Charts and Bar Charts, Page Trails and Density Chart. Expertise in designing and creating various analytical reports and dashboards to help us to identify critical KPIs and Facilitate strategic planning in organization. Expertise Configuring Repository, Create/Manage Dashboards, Reports/ Answers and Building Physical, Model and Presentation Layer. Strong knowledge on Hadoop Architecture and Impala Dameon’s such as HDFS, JOB Tracker, Task Tracker, Name None, Data Node and Map Reduce Concepts. Involved in trouble shooting of performance issue which were associated with Tableau Reports. Also Involved in administration tasks such as publishing workbooks, setting permissions, Managing ownerships, providing access to the users and adding them specific AD Groups and scheduled instances for reports in tableau server. Used Scala sbt to develop Scala coded spark projects and executed using spark submit. Hands on experience in Azure Development, worked on AZURE web application, App Services, Azure storage, Azure SQL Database, Virtual Machines, Fabric Controller, Azure AD, Azure search, and notification hub. Extensive involvement in Designing Azure Resource Manager Template and in designing custom build steps using PowerShell. Design and developed Cloud services projects and deployed to Web Apps, PaaS and Iaas. Strong understanding of project life cycle and SDLC methodologies including RUP, RAD, Waterfall Methodologies, Agile, and Scrum. Extensive experience in designing, developing and publishing visually rich and intuitively interactive Tableau workbooks and dashboards for executive decision making. Conducted Gap Analysis, created Use Cases, workflows, screen shots and Power Point presentations for the Web Applications. Interviewed SMEs and Stakeholders to get a better understanding of client business processes and authored Business Requirement Documents (BRD) into System Requirement Specifications (SRS) and identifying interface and business process specifications. Extensive experience in designing, developing and publishing visually rich and intuitively interactive Tableau workbooks and dashboards for executive decision making. Proficient in creating solution driven views and dashboards by developing different chart types including Heat Maps, Geo Maps, Symbol Maps, Pie Charts, Bubble Charts, Funnel Charts, Bar Charts (Horizontal, Stacked), Bullet Graphs, Area Charts, Scatter Plots, etc. Expertise in Developing User Objects (filters, prompts, metrics, Sets and Groups, Calculated Fields) to develop Documents and reports. Exceptional experience in dealing with various databases like Teradata, Hive, Impala, Oracle, DB2, SQL Server, MS Access, and Flat files. Extensively built dashboards using techniques for guided analytics, interactive dashboard design, and visual best practices to convey the story inside the data-using Tableau. Experience in Developing, Designing and Support inter active Tableau dashboards. Knowledge in Developing Power BI Reports and Dashboards from multiple data sources using Data Blending.l Experience in T-SQL (DDL, DML and DCL), Creating, developing new database objects by like Tables, Views, Indexes, Complex stored procedures, function (UDF), cursors, and triggers, locking issues, BCP, common table expressions (CTEs), Backups, Recovery and SQL Server Agent profiler using SQLSERVER 2000/2005/2008 R2/2012. Proficient Knowledge in dealing with RDBMS including E/R Diagrams, Normalization, Constraints, Joins, Keys and Data Import/Export. Experience in developing and debugging Stored Procedures and Triggers. Worked on administration tasks such as data loading, batch jobs, configuring IIS, data uploading, backup & recovery, Database mirroring, Log shipping, user and application table management, upgrades, creating database partitioning, databases/file groups/files/transaction logs. Used tools like MS SQL Profiler, Index Tuning Wizard, Pervasive and Windows performance for monitoring and tuning SQL Server performance. Excellent hands-on Experience in ETL (Extraction Transformation and Loading) by extracting large volumes of data from various data sources using SSIS. Experience in working with different type Dirty Data from Different sources. Experience in working with Data Cleansing technique in ETL procedures. Experience in working with Self Service MS BI end user tools such as Excel 2010 (Power pivot), Performance Point Server (PPS), Power view. Skilled at building and deploying multi-valued parameterized reports using Power BI, Tableau. Knowledge Microsoft Power BI, Data zen, DAX expressions, Power View and Power Query integrated with share point. Experience in developing OLAP Cubes by using SQL Server Analysis Services, and defined data sources, data source views, Dimensions, Measures, Hierarchies, Attributes, Calculations using multi-dimensional expression (MDX), Perspectives and Roles. Excellent hands-on experience in creating groups and measures, KPIs. Extensively involved in Reverse-Engineering and Business Rules Extraction Expert in project planning, systems analysis and troubleshooting, quality control, forecasting, scheduling and planning and tracking of results. Flexible, enthusiastic and project-oriented team player with excellent communication skills with leadership abilities to develop creative solution for challenging requirement of client. Creating data visualizations and building interactive dashboards using techniques like guided analytics and visual best practices provided by Tableau, which helped the business, get a good handle on the team's productivity. Experience on using tools like Tecta and Putty for Query handling.