Rahul Sah
Data Associate @ Cognizant | ETL Developer | Informatica PowerCenter & IICS | SQL | UNIX | LINUX | SSMS | Autosys | AWS | Data Migration & Integration Expert
- Role
- Informatica Developer at Cognizant
- Location
- Gurugram, HR, IN
- LinkedIn followers
- 500 followers
About Rahul Sah
With over 5 years of experience across the Informatica ecosystem, I specialize in…
Experience
Informatica Developer
Nov 2020 — Present · Gurugram, IN
As an Informatica Developer, I designed, developed, and maintained end-to-end data integration workflows using Informatica PowerCenter and IICS. I built scalable ETL solutions for data migration and warehousing across Oracle, SSMS, and UNIX/Linux environments. My role involved writing complex SQL queries and UNIX shell scripts, implementing Slowly Changing Dimensions (SCD) and Change Data Capture (CDC) techniques, and optimizing performance through tuning and efficient transformation logic.I ensured data accuracy through rigorous validation and quality checks, and managed job scheduling and monitoring using Autosys. I collaborated with business analysts to translate requirements into technical specifications, and documented mapping sheets, workflow designs, and transformation logic using filters, sorters, expressions, routers, aggregators, joiners, lookups, sequence generators, update strategies, and transaction controls.I actively participated in all phases of the Software Development Life Cycle (SDLC), from design and development to testing and deployment, while troubleshooting issues and supporting cross-functional teams in delivering reliable data solutions.
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