Amit Kumar
Serving Notice Period | ETL Informatica Developer
- Role
- Etl Informatica Developer at Cognizant
- Location
- Kolkata, IN
- LinkedIn followers
- 500 followers
About Amit Kumar
To analyse the requirement and build ETL and perform Unit-Testing and Deployment
Experience
Etl Informatica Developer
Jul 2021 — Present · Kolkata, IN
Designed and developed complex ETL mappings in Informatica PowerCenter and IICS for enterprise data warehouse solutions. Implemented complex mappings with Lookup, Joiner, Aggregator, and Router transformations to process and transform data. Worked with Autosys to schedule and monitor daily ETL jobs. Performed tuning of long-running mappings by optimizing SQL queries and transformation logic. Worked with Autosys to schedule and monitor daily ETL jobs. Migrated legacy PowerCenter jobs to Informatica Cloud (IICS) as part of cloud transformation initiatives. Built and scheduled parameterized jobs with dependencies using IICS taskflows and mappings. Integrated with Salesforce, Oracle, and S3 for inbound and outbound data processing. Collaborated with data architects and business analysts for requirement gathering and technical design. Improved job performance by 40% through optimization and pushdown techniques. Implemented data quality checks that reduced downstream reporting errors by 25%. Enabled real-time data sync with REST API connectors in IICS CAI.
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