Attinder Pal Singh

Background

About Attinder Pal Singh

ETL Senior Developer with 9+ years of extensive end to end software life cycle experience as Team Leader, Software Designer and Developer.Worked extensively in System Analysis, Design, Development, Implementation, Production Support,Maintenance of Data Warehouse Business Applications and Reporting tools using Informatica, Teradata, Oracle 10g/11g, Unix Shell Scripting, Tableau, SQL and PL/SQL with strong implementation on performance management.Data Warehousing experience in Application development & Quality Assurance testing using Informatica Power Center Designer, Workow Manager, Workow Monitor.Experience in all the phases of ETL such as Extraction, Cleaning, Transformation and Loading using Informatica and worked efciently on Data Warehouse Full Life Cycle.Experience in integration of various data sources like Oracle, SQL Server, Fixed width and Delimited Flat Files, XML les.Agile development methodology and project planning through JIRA Developed dashboards for recurring ad-hoc report requests from users and published to Tableau Server. Experience in all the phases of ETL such as Extraction, Cleaning, Transformation and Loading using Informatica and worked efciently on Data Warehouse Full Life Cycle.Experience in working with various data sources (Teradata, Flat Files) into the data staging area and target data warehouse.Created complex and reusable mappings using Lookup, Joiner, Aggregator, Stored procedure, Update Strategy and various other transformations.Excellent understanding of project issues, ability to work as part of a team.Extensive experience in UNIX Shell scripting for handling the batches and job scheduling using DAC, Apporx and Autosys schedulers.