Consultant Data Cleaning And Modelling Resume
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SUMMARY:
- Having years of analytical and problem solving skills in information technology.
- Development experiences in Oracle PL/SQL, Tableau, ELT/ETL ODI, JAVA and client server technologies. Looking for an opening in ETL related technologies including design, development and testing
- Maintenance, reverse engineering, code - review and documentation
- Analyze and assess current processes and define document improvements
- Recommend method and procedural changes
- Involved in tasks that encompass requirements gathering, system, screen design, user, functional requirements
- Simplified and documented various business layer code documents involving
- Utilized Agile/Scrum practices
- Normalized databases including entity relationship and modelling
- Created line and pie charts and graphs, histogram reports for data analysis
- Defined conceptual logical and physical model
- Developed PL/SQL, Stored Procedures, Functions, Triggers, and Packages.
- Involved in SQL tuning using Explain Plan
- Knowledge in Java Design patterns
- Involved in J2EE applications
- Involved in defect tracking including planning and running tests
- Created Sheet, Dashboards and Custom SQLs in Tableau
PROFESSIONAL EXPERIENCE:
Confidential
Consultant Data Cleaning and Modelling
Responsibilities:
- Gathered information from various agencies and analyzed data in Tableau
- Designed sheets and Dashboards using views and tables.
- Used various marks, table functions, calculated fields, parameters, actions in Tableau
- Utilized calculated fields, functions, tab reports, graphs, actions, trend lines of tableau.
- Created various calculated fields in Tableau and derived fields in Oracle
- Optimized SQL and views for tableau.
- Created derived columns for tableau SQL and audited various tableau SQL
- Wrote procedures to extract loading and transformed using pl/sql.
- Simulated the procedures in ODI KM and wrote the same as procedures n functions
- Created various reference data, divided variables(numeric/categorical), wrote procedures.
Confidential
Developer / Data Analyst
Responsibilities:
- Interacted with Business Analysts and Users in requirement gathering Built complex queries using SQL and wrote stored procedures using PL/SQL
- Worked in Data modeling, Data mapping and Data flow
- Involved in Requirement gathering and writing Functional and Technical documents
- Responsible for writing and modification of PL/SQL stored procedure, functions, packages and Database triggers.
- Created new Tables, Indexes, Synonyms and Sequences needed as per new requirements
- Implementing complex business rules by creating ODI interfaces.
- Created ODI variables and KMs for generic import to DW
- Experience on ODI Knowledge Modules like, LKM, IKM, JKM, and CKM.
- Good Understanding of architecture and functional parts of Oracle Data integrator.
- Functional experience includes identifying the sources and mapping them with data marts
Confidential
Oracle Developer
Responsibilities:
- Reviewing and developing data models and database designs with development teams, entity-relationship models are used with relational databases, normalizing, and de-normalizing, indexing, and defining views.
- Created database objects like tables, views, materialized views, procedures and packages.
- Worked on Performance tuning queries, database tuning, suggesting and implementing alternative approaches like range partitioning of tables, use of global temporary tables.
- Used stored procedures in Oracle for retrieving the data from the database for solving complex queries.
- Prepared system test cases and perform system testing.
- Analysis of functional specifications & communicating the same to team members.
Confidential, New Jersey
Java Developer
Responsibilities:
- using JSP tags to invoke Servlets
- Involved in server side coding using Servlets
- Developed Business components JavaBeans and database connections using Confidential .
- Involved in Designing and creating database tables
- Wrote various queries using SQL and used SQL server as the database
Confidential, New Jersey
Software Analyst
Responsibilities:
- Involved in design and development of ETL process full data warehouse life cycle
- Involved in designing the procedures for getting the data from all the source systems to Data Warehousing system
- Extracted the Data from different sources systems like Sybase, Oracle, DB2, and flat files and loaded them into Oracle database
- Utilized mathematical functions, built-in-workflow and data mining through Business Objects
- Created Oracle Stored Procedure to implement complex business logic for good performance and called from Informatica using Stored Procedure transformation.
- Debugging techniques to for mappings and used session log files and bad files to trace errors occurred while loading.
- Creating test cases for Unit Test, System Integration Test and UAT to check the data
- Responsible for migrating the folders or mappings and sessions from development to production environment
Confidential, Confidential, NY
Developer
Responsibilities:
- Developed a module to update currency rates in Sybase databases of Fidessa Trading System, using C++ .Wrote C-shell scripts establish a communication link between Confidential London and New York trading systems.