Etl Developer Resume
SUMMARY
- 8 years of total IT experience for BI/DW projects for Health - care, Bank, Energy, and Manufacturing companies.
- Experience on Informatica Power Center 9.1/8.6/8.1, BODS, SSIS 2012/2008/2005 with good understanding of business needs and Extraction, Transformation and Loading large data from various data sources i.e SQL Server, Oracle, DB2, SAP.
- Worked extensively on Power Center Client tools (Designer, Repository Manager, Workflow Manager, Workflow Monitor).
- Worked extensively on Informatica Transformations (Active, Passive, Connected & Unconnected).
- Designed mappings, mapplets, created sessions and workflows to load data, and monitored workflow progress.
- Experience in identifying and resolving performance bottlenecks at various levels like sources, mappings and sessions.
- Performed testing using DVO. Wrote ETL test cases, test plan and Technical Documentation.
- Experience in resolving Production issues, Exception-handling, performance tuning and Email Alerts.
- Scheduled and monitored jobs.
- Worked on Trillium for data cleansing and data profiling.
- Experience in writing SQL, PL/SQL, shell scripts.
- Knowledge of Conceptual, logical and physical data modelling, ER modelling and tools like Erwin, and Visio.
- Familiar with Scrum, Agile methodologies, MDM, OLAP and OLTP database schemas.
- 4 years of experience in BI Reports - Cognos, OBIEE 10/11g, SSRS 2012/2008/2005.
- Experience working with off-shore team; provided 24/7 tech support.
- Diverse background with fast Learning and creative analytical abilities with good Techn ical, Communication and Interpersonal skills.
TECHNICAL SKILLS
ETL Tools: Informatica PowerCenter9.1/8.6/8.1, SSIS 2005/2008/20012 , Ab initio 3.0.
RDBMS: Oracle10g/9i, SQL Server 2000/2005/2008 , DB2
BI Tools: Cognos 8.0/10.1, Tableau, SSRS, BI Publisher 11g/10g
Operating System: UNIX, Linux, Windows NT/2000/XP/7
Defect Management tools: HP Quality Center 9x/11, Remedy 7x, ClearCase
Languages: SQL, PL/SQL, Visual Basic, Shell Scripting
Modeling Tools: MS Visio, Erwin
PROFESSIONAL EXPERIENCE
Confidential
ETL Developer
Responsibilities:
- Worked on Informatica Power Center 9.1
- Worked with DBAs and Business Analysts to analyze and gather business requirements.
- Designed complex mappings, mapplets, created sessions and workflows to load data, and monitored workflow progress.
- Designed mappings using various types of transformations such as Active, Passive, Connected and Unconnected.
- Worked on CDC (change Data Capture) to capture insert, update, and delete activity applied to tables.
- Implemented Source Qualifier, SCDs(1/2/3), Joiner, Filter, Router, Rank, Expression, Lookup, Aggregator, Sorter, Normalization, Update Strategy, Sequence Generator, Stored Procedure transformations, Union, etc.
- Wrote SQL, PL/SQL scripts. Created/Edited korn shell scripts for pre or post-session.
- Wrote BRDs, ETL Technical Specification Docs, Test Plan, ETL Test Cases, Migration Plan Doc.
- Performed testing from source to target using DVO (Data Validation Option), performance tuning and Exception-handling. Worked on data integration and data staging levels.
- Scheduled and monitored jobs using Control-M.
- Worked on data cleansing and data profiling using Trillium.
- Worked on Tickets and provided tech support to resolved production issues. Worked with QA team to follow up on testing.
- Participated on Daily/Weekly team meetings on the Project.
Environment: Informatica PowerCenter 9.1, SAP ECC6.0, MS SQL server 2008, SSIS 2008, Oracle, Toad, DVO, PL/SQL, MS Visio, UNIX, Quality Center 11, Remedy, Windows, SharePoint, TFS, Control-M for scheduling, ClearCase, Trillium.
Confidential
Developer (Informatica)
Responsibilities:
- Worked with Business Analysts, DBAs to analyze and gather business requirements.
- Designed complex mappings, mapplets, created sessions and workflows to load data, and monitored workflow progress.
- Implemented various types of transformations such as Active, Passive, Connected and Unconnected.
- Set mapping parameters, variables, breakpoints, exception-handling, and email alerts.
- Worked on performance turning to identify performance bottlenecks.
- Worked on change Data Capture to capture insert, update, and delete activity applied to tables.
- Did testing from source to target using DVO.
- Wrote complex SQL, PL/SQL scripts.
- Worked on Trillium for data cleansing and data profiling.
- Wrote shell script after each successful run of session to update/insert/select for different scenarios either in Pre or Post session command.
- Worked on 3 rd party tool control-M to schedule jobs.
- Wrote detailed ETL designed Technical Specs Document, ETL test cases, test plan; followed up with QA team.
- Created various Reports, Dashboard, Graphs, Charts using Business Objects BI suite XI3.1.
- Participated in daily and weekly team meetings.
Environment: Informatica PowerCenter 9.1/8.6, Oracle, Toad, SAP, SQL, PL/SQL, SQL Server 2008, Trillium, Visio, Windows, TFS, Linux, Quality Center, Sharepoint, VSS, Business Objects XI3.1, VB, Ctl-M for scheduling jobs.
Confidential
Developer
Responsibilities:
- Analyzed and gathered business requirements and wrote technical specifications document.
- Designed complex mappings, mapplets, created sessions and workflows to load data, and monitored workflow progress.
- Designed mappings using various types of transformations such as Active, Passive, Connected and Unconnected.
- Worked on CDC (Change Data Capture) to capture insert, update, and delete activity applied to tables.
- Implemented Source Qualifier, Joiner, Filter, Router, Rank, Expression, Lookup, Aggregator, Sorter, Normalization, Update Strategy, Sequence Generator, Stored Procedure transformations, Union, etc.
- Wrote SQL, PL/SQL scripts. Created/Edited shell scripts for pre or post-session.
- Wrote BRDs, ETL Technical Specification Docs, Test Plan, ETL Test Cases, Migration Plan Doc.
- Performed testing from source to target using DVO (Data Validation Option), performance tuning and Exception-handling.
- Scheduled and monitored jobs.
- Worked on Tickets and provided tech support to resolved production issues. Worked with QA team to follow up on testing.
- Participated on Daily/Weekly team meetings on the Project.
- Worked with QA team and data analysts to follow-up.
- Participated in daily/weekly team meetings.
Environment: PowerCenter 8.1, SQL, PL/SQL, Oracle, MS SQL server 2008/2005, SSIS, TOAD, UNIX, Remedy, VB, OBIEE
Confidential
ETL Developer
Responsibilities:
- Analyzed ETL requirements. Created sources, targets, and transformations.
- Wrote SQL, PL/SQL Scripts.
- Designed ETL mappings using various transformations i.e. Joiner, Connected Lookup and unconnected Lookup, Rank, Router, Filter, Aggregator and Sequence Generator transformations, Source qualifier, etc..
- Tested ETL package from Source to Target.
- Wrote technical documentation, ETL test cases, test plan. Worked on tickets.
- Worked with the QA team, DBA and data analysts.
- Participated in Daily/Weekly team meetings.
Environment: Informatica Power Center 8.1, Oracle, SQL Server 2005, SSIS, SQL, PL/SQL, VISIO, Toad, Windows, UNIX, Quality Center, Remedy, Visual Basic.