Tamizharasi N U
Chennai
Summary
Dynamic Power BI Developer with a proven track record at Tata Consultancy Services, specializing in transforming complex data into actionable insights using Power BI, DAX, and ETL knowledge. Excelled in migrating SAP BO reports, enhancing report functionalities, and optimizing data processes. Demonstrated exceptional analytical skills and a commitment to driving business decisions through detailed trend analysis and key performance indicators.
Overview
11
11
years of professional experience
Work History
Power BI Developer
Tata Consultancy Services
Chennai
07.2021 - Current
- Project deals with Migration of SAP BO reports to Power BI reports
- Writing Queries to extract the DATA from Postgre SQL and displaying it in the reports using Power BI Report builder
- Writing the Queries to extract the Data from Snowflake Database and using it to build the Dashboards
- used Power BI semantic Model as Dataset for the P and L reports using the Power BI Report builder
- Publishing it to the workspace and scheduling the refresh based on time interval mentioned by the clients
- Developed Daily reports , YOY reports , Weekly reports for various countries customers
- Used different types of slicers available in Power BI.
- Performed ETL transformations like Pivoting, Unpivoting and splitting of the columns using Power Query.
- Experience in creating measures, calculated columns and performing time series analysis using DAX in Power BI
- Experience in developing several details, summary reports including line and Pie charts , trend analysis reports and sub reports per business requirements.
Power BI Developer
Tata Consultancy Services
Frankfurt
07.2019 - 03.2021
- Project deals with the development enhancement with Power BI reports.
- Strong knowledge in Power BI using SQL Server 2018.
- Involved in Requirement analysis, Functional analysis, Design, Development, Implementation , testing , Debugging and Maintenance of Power BI applications.
- Strong experience in synthesizing the business requirements, Data Models and determining Key Performance Indicators
to evaluate Key Factors crucial to the major business related decisions. - Implemented complex query techniques of passing multi valued parameters and cascading parameters
- Experience in creating measures, calculated columns using DAX in Power BI .
- Experience in deploying the developed reports in the Power BI services.
- Performed configuration of on-premises Power BI gateway to refresh datasets of Power BI reports and dashboards.
- Scheduling the daily status calls, Weekly status meetings with TCS team along with the Business teams
SSRS Developer
Tata Consultancy Services
Chennai
01.2014 - 01.2019
- Created tabular and matrix reports in SSRS. wrote store procedures and functions to create the SSRS reports.
- Involved in the creation and deployment of the reports using SSRS and configuring the SQL server reporting server.
- Created views as required by the front-end developer for easier implementation on ASP.net pages and wrote instead of
triggers on those views to provide efficient Data manipulation. - Wrote Store procedures to retrieve the data from the SQL SERVER to use it in the reports.
- Created Drill through and drill down reports as part of the requirements.
- created reports like parameter-based reports, graphical reports, excel reports, drill down chart using SSRS and
tabular report and generated on-demand and scheduled reports for business analysis using SSRS. - Involved in SQL query tuning activities to reduce the report rendering time .
Education
PG Diploma - Data Science
Loyola Institute of Business Administration
Chennai01.2023
B.Tech/B.E. - Electrical
R.M.D. Engineering College
01.2013
Skills
- Power BI Desktop
- Power BI Gateway
- Power Query
- Power BI Services
- DAX
- MSBI
- SSRS
- SSIS
- SQL Server Reporting Services
- SSAS
- ETL Knowledge
- Datawarhouse, Datalake, DataMart
- Excel
Languages
- English
- Tamizh
Coursescertifications
Microsoft Certified: Power BI Data Analyst, 10/01/24
Personal Information
- Total Experience: 9 Years 0 Month
- Date of Birth: 06/05/92
- Gender: Female
- Marital Status: Married
Timeline
Power BI Developer
Tata Consultancy Services
07.2021 - Current
Power BI Developer
Tata Consultancy Services
07.2019 - 03.2021
SSRS Developer
Tata Consultancy Services
01.2014 - 01.2019
PG Diploma - Data Science
Loyola Institute of Business Administration
B.Tech/B.E. - Electrical
R.M.D. Engineering College
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