Gauri Sankar Sharma
@gaurisankarsharma
Senior Tech Lead at Fiserv India/Infinite Computer Solutions
Indirapuram, Ghaziabad, Uttar Pradesh
Gauri Sankar Sharma is a highly experienced ETL and Data Integration professional with 9 years of expertise, including onsite experience in the UK. He specializes in designing and developing robust ETL/Integration solutions using Informatica Power Center, Azure Data Factory (ADF), and SQL. His expertise spans data warehousing concepts, dimensional modeling, and handling data from diverse sources into Data Marts and Data Warehouses. He has significant experience in the Banking, Payments, and Insurance sectors, coupled with proficiency in technologies like Azure Databricks, Unix, and complex SQL querying.
Experience
Senior Tech Lead
Fiserv India/Infinite Computer Solutions
Responsible for designing ETL architecture and developing ADF pipelines for data migration projects (e.g., Assurant LATAM EFT Contract Processing). Expertise includes handling data from heterogeneous sources, implementing business logic, and scheduling jobs using ADF triggers. Experience covers the complete life cycle of software development, including requirement analysis, design, development, and deployment.
Associate Software Developer
Fidelity Investments
Worked on the Workplace Investing Data Environment (WIDE) project, focusing on loading source data to staging tables and then to the data mart using Informatica. Responsibilities included creating mappings, tuning long-running jobs/workflows, providing L3 support, and automating manual interventions.
Programmer Analyst (ETL Developer)
Cognizant Technology Solutions Private Ltd
Worked on major data migration projects, including ECOS (Hartford Insurance) and WIDE (Fidelity Investments). Key responsibilities involved creating mappings using Informatica Power Center, performing performance tuning, preparing design documents (HLD/LLD), and developing DDL/DML scripts for source, staging, and target table structures.
Education
Rajasthan Technical University
B.Tech
Information Technology
Licenses & Certifications
Informatica Practitioner
CTS
Data warehousing
CTS
Azure Fundamentals (AZ900)
Microsoft