Informatica PowerCenter DeveloperWaltham, Massachusetts, United StatesAbout the JobJob Description:7+ years of experience in Informatica Powercentre.Knowledge of PL/SQL is must with hands-on experience.Understanding the business requirements & ETL specification Document Extraction, Transformation and Loading (ETL) of data by using Informatica PC Designed various mappings for extracting data from various sources involving flat files and relational tables.Good concept of data warehouse to be available.Created mappings using the transformations such as the source qualifier, aggregator, expression, router, filter, sequence generator, and update strategy.Checked and tuned the performance of Informatica mappings.Testing and maintaining of Informatica mappings resolving if any issues in transformations and mappings with the help of technical specifications.Resolve and debugging any development issues.Involved in creating sessions, workflows using workflow manager involved in testing the mappings (unit testing) and preparation of test cases.Ensuring proper dependencies of loads (incremental and complete loads).Must Have:7+ years of experience in Informatica Powercentre.Knowledge of PL/SQL is must with hands-on experience.Understanding the business requirements & ETL specification Document Extraction, Transformation and Loading (ETL) of data by using Informatica PC Designed various mappings for extracting data from various sources involving flat files and relational tables.Good concept of data warehouse to be available.