Sql Developer Resume
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SUMMARY:
- Long - term employee of EDS->HPE->DXC Incorporated.
- Accomplished individual performer with 11 years of new development and 13 years of maintenance experience as a developer, technical lead, application & data architect.
- Full SDLC for 15 new applications and partial SDLC for 7 maintenance applications.
TECHNICAL SKILLS:
- Full SDLC (Agile & Waterfall)
- Requirements Gathering & Analysis
- Data Modeling (OLTP & OLAP)
- Data Modeling Tools (ERwin & ER/Studio)
- Physical Database Design (Oracle and SQL Server)
- Complex SQL (T-SQL, PL/SQL, stored procedures)
- Database Policy and Metadata Publishing
- Facilitating cross team communication
PROFESSIONAL EXPERIENCE:
Confidential
SQL Developer
Responsibilities:
- Submitted and monitored workflows with Informatica’s PowerCenter
- Updated complex SQL to improve performance by reducing sub-query answer set size
- Created SQL to query 1 billion+ row Oracle tables to identify data errors daily and answer ad hoc questions from the Business Users
- Developed and ran ad hoc SQL scripts to resolve data integrity errors in Oracle tables
- Created SQL queries for use by the MDM dashboard to provide status information
Project Manager
Responsibilities:
- Managed the migration of 28 applications from the GRIP SQL Server data warehouse to using the Oracle Enterprise Services Data Warehouse (ESDW) as a data source
- Generated security certificate for ESDW web services and distributed to the applications
Data Modeler
Responsibilities:
- Converted data models from ERwin to ER Studio Data Architect
- Created source to target mapping spreadsheets to communicate new requirements to ETL developers
- Updated data model for requested changes and published metadata
- Generated and applied DDL for Vertica database table changes
- Created SQL scripts to populate new configuration tables
Data Architect
Responsibilities:
- Created architecture diagram to capture scope and focus communication with Business Users, Project Management, System Architects, ETL & Report Developers and Testers
- Created the logical and physical data models with ERwin by meeting with Business Users
- Generated and applied DDL for new SQL Server tables
- Wrote ETL requirements to automate pulling the data and pushing into SQL Server database
- Designed database views to support dashboard development by Qlikview team
Data Architect
Responsibilities:
- Created context diagrams and scope documents for the workflow (Athena) and knowledge sharing (Insight) applications by meeting with Business Users and the Application Architect
- Created/updated the logical and physical ERwin data models, object lifecycle diagrams, elementary processes, applied database changes in SFDC and loaded configuration tables prior to each two-week Agile sprint by leading meetings with the Business Users
- Reviewed updates to the data model, object lifecycle diagrams and elementary processes with the Athena (China) and Insight (India) development teams at sprint kickoff
Data Architect
Responsibilities:
- Developed conceptual ERwin data model, object lifecycle diagrams, elementary processes and web page mockups by leading discussions with Business Users
- Created the logical and physical data models, generated DDL, created database tables & indexes in SQL Server database and loaded configuration tables during design
- Answered Development Team’s questions during design and construction phases
- Provided test cases to Testing Team to ensure coverage of elementary process corner cases
- Provided application’s database structure and metadata for inclusion in the data warehouse
Data Architect
Responsibilities:
- Created a physical data model by reverse engineering the SQL Server database into ERwin
- Designed the data model changes for each release of the application by meeting with Business Users and the Application Architect to understand the requirements
- Generated DDL and applied changes to the SQL Server database
- Started the policy of keeping a copy of each record received/sent by/from the application and requiring an archive process for database tables
Data Modeler
Responsibilities:
- Created an initial detailed conceptual data model for a multi-supplier product catalog and orders application by reviewing the written requirements
- Refined the detailed conceptual data model by leading data model review meetings with SMEs to discuss what the requirements were trying to say
.NET Programmer and Data Modeler
Responsibilities:
- Developed business & technical design documents to review with Users and the Architect
- Designed and programmed (Visual Studio, ASP.NET, VB.NET, CSS, JavaScript, Web Services, and SQL Server), tested and verified implementation of enhancements
- Created and maintained the logical and physical ERwin data models for a team of 5 developers
- Provided application’s database structure and metadata for inclusion in the data warehouse