I am Rekha Madiyazagan, a data engineer with 5.7 years of experience in planning, designing and implementing ETL/Data Warehousing using Informatica and SQL. I have designed robust data solutions and built complex SQL architectures, and I leverage cloud technologies to drive high-performance, quality-driven data integration across enterprise environments. I excel in data analysis, data requirements analysis, and data mapping for ETL processes. I have solid knowledge of data modeling concepts (facts, dimensional tables, star and snowflake schemas) and have worked across all phases of the data warehouse lifecycle. I am a team player with strong communication and problem-solving skills, and I am motivated to contribute to cloud modernization and scalable data solutions.

Rekha Madiyazagan

I am Rekha Madiyazagan, a data engineer with 5.7 years of experience in planning, designing and implementing ETL/Data Warehousing using Informatica and SQL. I have designed robust data solutions and built complex SQL architectures, and I leverage cloud technologies to drive high-performance, quality-driven data integration across enterprise environments. I excel in data analysis, data requirements analysis, and data mapping for ETL processes. I have solid knowledge of data modeling concepts (facts, dimensional tables, star and snowflake schemas) and have worked across all phases of the data warehouse lifecycle. I am a team player with strong communication and problem-solving skills, and I am motivated to contribute to cloud modernization and scalable data solutions.

Available to hire

I am Rekha Madiyazagan, a data engineer with 5.7 years of experience in planning, designing and implementing ETL/Data Warehousing using Informatica and SQL. I have designed robust data solutions and built complex SQL architectures, and I leverage cloud technologies to drive high-performance, quality-driven data integration across enterprise environments.

I excel in data analysis, data requirements analysis, and data mapping for ETL processes. I have solid knowledge of data modeling concepts (facts, dimensional tables, star and snowflake schemas) and have worked across all phases of the data warehouse lifecycle. I am a team player with strong communication and problem-solving skills, and I am motivated to contribute to cloud modernization and scalable data solutions.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Intermediate

Language

Tamil
Fluent
Kannada
Intermediate
English
Fluent

Work Experience

Data Engineer at Cognizant Technology Solutions
July 1, 2021 - October 19, 2025
LRP Platform Rationalization for Bayer Life Sciences. Retired heterogeneous ETL platforms (SSIS, Kettle, DSR) to Informatica ETL; analyzed data flows across layers and implemented translation logics in Informatica; reverse engineering to integrate data from multiple sources to cloud and downstreams. Responsibilities included requirements gathering, effort estimation, ETL and DB table design/development, data-flow analysis and code enhancements, peer code reviews, tracking in JIRA, testing, monitoring, support, and coordinating deployments.
ETL Developer at Capgemini
February 1, 2018 - October 19, 2025
Morgan Stanley – BFS LCG Data Mart project. Prepared detailed design documents, data element dictionaries, and mapping sheets. Developed UNIX scripts for SFTP pulls, XML validations, and email notifications. Built complex ETL mappings, sessions, worklets, and workflows; prepared unit tests and captured results. Delivered reusable transformations and UDFs to address validation issues and supported migration activities.

Education

B.E, Information and Science at Sambhram Institute of Technology
January 11, 2030 - April 1, 2015

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Professional Services, Other