Samant Sagar

Designed and implemented ETL workflows: As an ETL developer, I have designed and implemented ETL workflows to extract, transform, and load data from various sources into target systems. This have involved using tools such as Informatica, Toad and other similar platforms. Created and maintained ETL mappings: I have created ETL mappings using tools such as PowerCenter and DataStage. These mappings have included various data transformations such as filtering, joining, aggregation, and sorting. Developed and executed test cases: As an ETL developer, I have developed and executed test cases to ensure that the ETL workflows and mappings are working as expected. This have included unit testing, integration testing, and performance testing. Collaborated with other teams: I have collaborated with other teams such as data analysts, data scientists, and business analysts to understand their data requirements and deliver solutions accordingly. This have also involved working with database administrators to ensure that the ETL processes are optimized for performance. Troubleshooted and resolved issues: As an ETL developer, I have troubleshooted and resolved issues related to data quality, performance, and other technical problems. This have required to analyze log files, debug code, and work with other teams to identify and resolve issues. Designed data models for complex analysis needs. Documented and communicated database. schemas using accepted notations.