Senior Oracle Etl Developer Resume Profile
PROFESSIONAL SUMMARY
- More than Twelve years of professional experience in designing, deploying and managing terabyte data warehouses and enterprise data integration projects for Financial Services, Banking, Healthcare and E-commerce fortune 500 companies. My core strengths are data warehousing, ETL architecture, Data architecture, data management, modelling, business intelligence and application customizations. I have extensively worked in Ab Initio, BRE, Conduct>It, Unix Korn Shell Script including SED and AWK , Oracle, Teradata and Autosys scheduler. I also have working knowledge of Informatica ETL tool. I have an in-depth understanding of complete SDLC, worked in Agile projects too.
- Experienced in implementation of Data Integration, Campaign Management, Credit Scoring, Data Migration, Data Virtualization and Data Conversion Legacy to RDBMS projects.
- Defined uniform ETL reference architecture including Audit, Balance and Control features to provide a standardized means to load data into the warehouse and to facilitate reconciliation and tracking of data lineage.
- Designed error handling framework/routine for projects.
- Designed strategies for Data analysis, Data profiling, Data Validation and Data migration.
- Implemented data conversion projects from legacy systems to RDMS.
- Worked with Composite software to defined Data Virtualization layer for ETL and Business Object reporting.
- Defined MDM approach for Reference data and Confirmed Dimensions.
- Provided BRE Business Rule Engine framework to implement campaign management.
- Extensively worked with Fast Export, Fast Load, Mutiload i.e. MLOAD FEXP, FLOAD, BTEQ Teradata utilities to export and load data to/from files.
- Experienced in Strategies and Developing Architecture for building and designing Star Schema and Snowflake Schema for very large databases in Data Warehouse environment.
- Worked on data Capacity and sizing projects. Estimated data warehouse size/growth for 5 to 10 years including data history.
- Defined data archiving approach to allow movement of obsolete or seldom used data to less expensive forms of storage.
- Participated in proposals writing, biding projects, and winning new contracts like SunTrust and AIG. Worked on assessment projects and wrote proposals in response to RFP.
TECHNICAL AND MANAGEMENT SKILLS:
- Architectures: Multi-Tier, Client Server, Distributed Systems, Information Architectures
- Business Domains: Financials, Banking , Credit card services ,Healthcare and e-commerce
- ETL Tools Languages: Ab Initio GDE 1.15.11,Co-op V3.0,BRE 1.15.2.20, EME, Ab Initio Data profiler, Conduct>it, BRE Business Rule Engine , Informatica PowerCenterV8, Korn Shell, SQL, Java, Business Objects
- Databases: Oracle 8i, Teradata V2R5, MS Access 2000
- Database Utilities: Teradata SQL Assistance 6.1, Toad 7.5, SQL Loader, BTEQ Oracle Intermedia, Oracle iFS Visio, S-designer
- GUIs/Reporting Tools/CASE Tools: Composite, DEVELOPER 2000 Forms 5.0, Reports 3.0 , Crystal Reports 8.0/8.5 and MS-OLAP, Dream Weaver , Clear Quest , PVCS
- Methodologies: Dimensional Modeling, Star Schema
PROFESSIONAL EXPERIENCE
- My Confidential experience comes from Confidential companies. I am experienced with onshore and offshore delivery model.
- HP Information Management HP's Information management Formerly known as Knightsbridge Solutions is leading Data Warehousing consulting arm of HP with the clients across US. I've worked at below mentioned clients and projects while working for Knightsbridge/HP.
Confidential Role : Senior Strategy and Management consultant Confidential is one of the 12 regional Confidential. The FRBNY, Markets Group has the unique responsibility for implementing monetary and foreign exchange policy, auctioning and issuing Confidential. Treasury debt. The Market Group has undertaken an initiative to improve its analytical capabilities by introducing new and more complex datasets in support of financial markets analysis, market operations and portfolio management activities. It is Strategy engagement and I am working as ETL solution architect and metadata consultant. This project has multidimensional requirements. Study existing environment, identify gaps between industry standard and home grown solution and defined a technical and functional implementation roadmap for new data warehouse.
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Confidential Role: Solution Architect
Environment: Ab Initio GDE 1.15.11 Co-op 2.15, HP-UX 11.0, Oracle 10G, Autosys, KSH | |
Confidential Role: Sr. ETL Designer Developer
Environment: Ab Initio GDE 1.15.11 Co-op 2.13.1, Conduct>it, HP-UX 11.0, DB2 UDB, Autosys Job scheduler. | |
Confidential Role: Sr. ETL Designer Developer
Designed reconciliation process between source and data-mart, which provided daily, reconciled report. Environment: Ab Initio GDE 1.13.10, Oracle 8i, Sun Solaris, Micro-Strategy and Jira | |
Confidential Role: Sr. ETL Designer
Environment: Ab Initio GDE 1.13.10 Co-op 2.13.1,BRE,HP-UX 11.0, Oracle, Autosys | |
Confidential Role: Sr. ETL Designer Developer
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Confidential Role: Senior ETL Developer Confidential is credit scoring application for the Capital One credit card customer. It is internal scoring process, which calculates internal FICO score for customer. All campaign management and collection team uses these score for any decision and services. Bad rate application, monthly process around 50 to 80 million accounts credit score. As it is most used financial application, It's severity 1 application, it's up and running, data validation, data quality was very important. I was involved with sub-prime customer financial module. Prepared high level and low-level document for requirements for sub-prime module. Designed several complex graphs to implement the accounting business rules. I also developed various conditional graphs to accommodate business requirement and created monthly cumulative file. After rolling out this application into production, moved to support role for this and other PCARD application. I have worked with client to discover and prioritize deliverables for PCARD application in Level-3 support. I have rolled out more than 50 enhancements in production within 12 months of time. My leadership and management skills has played key important role to get work done. Environment: Ab Initio GDE 1.11.11 Co>Operating System 2.10.15, Oracle 8i, KSH Korn Shell , PL/SQL, SQL, Erwin3.5, SQL Loader, Toad, HP-UX 11.0, clear quest, Control M Confidential Role: ETL Developer/Team Lead Confidential is a data-warehousing project for Confidential. SACO provides an intermediate Information Layer within the bank. I was involved for developing three domains Credit, Market and Risk. Data comes from different heterogeneous source systems to all domains. Risk domain receives the data in heterogeneous formats as Cobol Copy Book, XML and flat file from Credit, Market and Direct source system respectively. I have developed Risk module. In Risk module, was involved to do completeness check of data-file, data validation, transformation and error mechanism. Event handling is one of important area of this project. Since Data is critical so have to keep trace status of data file by doing the polling for data file for a particular timeframe. I also played an important role in data sizing, Purging, Rollback since daily load data file size was in GB's. Environment: Ab Initio GDE 1.11.11 Co>Operating System 2.10.15,Sun Solaris, Oracle 8i 8.1.6 , MS VSS for Version Control | |
Role: Senior Oracle ETL Developer Channel 4 developed Health Portal which is integration of 6 data marts i.e. Drugs, Stress, Food, Family, Mind and Illness. Initially Channel4 has these 6 individual databases. Data was in different formats i.e. flat file, excel and database. A centralized data repository has to be created. Redundant data pursing and data transformation was to be done. I was involved in writing various Packages, Procedure, Function, and Trigger, which are used in data porting for project. I have written a search component Full text search in database using Intermedia Oracle Search Engine. Later this project was converted into informatica solution. I worked into various modules. Environment: Informatica PowerMartV5 ETL tool , Sun Solaris, Oracle 8i 8.1.6 , MS VSS for Version Control, JSP, EJB, HTML | |
Confidential Role: Senior Oracle ETL Developer I was involved in Sales and Inventory module and developed the logical data model based on the requirements. Designed and developed PL/SQL Packages, Procedures, Functions and Triggers for the different modules and wrote numerous backend Triggers for complex business rules for user level. Used SQL Loader to load data into tables from text files. I also created some of business report using D2K. Environment: Developer 2000 Forms 5.0, Report Writer 3.0, Oracle 8.0, PL/SQL |