Technical Lead Resume
SUMMARY:
- Over 12 years in delivering BI - data warehousing - analytics solutions to various clients. Like government agencies, large retail clients and other industry (Telco, Confidential ).
- Currently working as a Technical Lead in Deloitte consulting.
- Worked on multiple projects - Digital licensing and Confidential - for the Confidential government to setup BI reporting solutions.
- Worked as a data architect and ETL team lead.
- Using the latest technologies - Hive, Confidential, Informatica and Obiee - to provide solutions in data warehousing.
- Extensively worked on Oralce and SQL server databases.
- Aspiring to be a data scientist and one of the eminent data architect.
- Worked for biggest consulting firms like Deloitte and Capgemini. Have a very good consulting experience and worked in client locations.
- Won a gold for the outstanding demonstration of excellence.
- Proficiency in Creating Unix shell Scripts.
- Worked in SSIS and SSRS.
- Proficiency in using Informatica Power Center tool to design data conversions from wide variety of source system.
- Proficient in understanding business processes / requirements and translating them into technical requirements.
- Strong in Data warehousing concepts, dimensional Star Schema and Snowflakes Schema methodologies.
TECHNICAL SKILLS:
Software / Products: C, JCL, COBOL
Development Tools / Languages: Informatica 9i, Obiee 11g, Microsoft SSIS
Middleware / Databases: Oracle Database Project, Microsoft SQL Server Database
PROFESSIONAL EXPERIENCE:
Confidential
Technical Lead
Responsibilities:
- Worked as a technical lead.
- Did the data modelling for this project.
- Facilitated the Implementation process.
- Responsible for overall design of the solution including the data movement/Modelling and reporting from DAO.
- Reviewed and validated the technical documentation
Confidential
BI Architect
Responsibilities:
- Demonstrated the BI features to clients and participated in the requirement gathering and analysis.
- Created the data model for this BI solution.
- Planned and developed all the ETL routines by using Informatica and created reports and dashboards in OBIEE.
- Using Confidential loaded all the data into Hive tables.
Confidential
BI analyst/DBA
Responsibilities:
- Created the dashboard for the minister by using the tool DOMO.
- Designed and developed the database tasks for Trends feature in the app.
- Developed all the SQL procedures.
- Using Confidential loaded all the price historical changes into Hive tables for the future analytics.
Confidential
BI analyst/DBA
Responsibilities:
- In this role I have to give solutions in OBIEE/BI/DWH (end to end). Taking care of Informatica, DAC and OBIEE.
- As a DBA I have to maintain BI by resolving the BI issues, monitor the daily BI loads and implement the CR on Quarterly basis.
- Created ETL/BI Specifications and developed the ETL’s for CR raised by the users.
- Daily basis create and schedule the reports as per user request.
- Solve the issues on daily basis.
Confidential
Senior ETL Developer
Responsibilities:
- Working as a BI Specialist.
- Created a High level design and low level design in EA.
- Ported all the Oracle target code to SQL Server.
- Created ETL Specifications and developed the ETL’s to load data from Source to DM.
- Created cubes by using SSAS.
Confidential
Informatica Contractor
Responsibilities:
- Working as a BI Specialist.
- Creating the TDD and Build Document’s.
- Doing the Data Modeling and designing the DW.
- Did the development of Informatica Mappings and DAC Execution plans.
- Schedule the workflows by using DAC.
- Did the performance testing.
Confidential
ETL Lead
Responsibilities:
- Worked as an ETL module lead.
- Did the ETL Design for this project.
- Creating the TDD and Build Document’s.
- Did the development of Informatica Mappings and DAC Execution plans.
- Schedule the workflows by using DAC.
- Did the performance testing.
Confidential
Data Migration Lead
Responsibilities:
- Primary responsibility is to Load the data from legacy systems to Siebel Customer Service Application By using Informatica.
- Map the different legacy systems to Siebel Customer Service Application.
- Did the development of ORACLE Procedures, Informatica Mappings and Unix Shell Scripts.
- Schedule the workflows by using Redwood to perform an End to End Load for Batch runs.
Confidential
Data Migration Developer
Responsibilities:
- Taking care of one module (ERP-HR Systems) in this conversion.
- Map the two different systems (people soft, oracle apps).To do this Need to have an understanding of two different systems.
- Having calls with client to see the target requirements.
- Understanding source system and Creating a mapping specifications for development in Oracle and Informatica.
- Creating and reviewing Oracle Procedures and Informatica Mappings and checking unit testing documents.
Confidential
Developer
Responsibilities:
- Involved in the development, enhancements and implementation of the Enterprise Data Warehousing (EDW) process and Data Mart.
- Worked on complete SDLC from Extraction, Transformation and Loading of data using Informatica.
- Created Oracle Procedures or Informatica mappings to move from Various Systems to Transaction History database.
- Created, updated and maintained ETL technical documentation.
- Involved in UAT and resolved issues.
- Got a good knowledge in BO and created report specifications.
Confidential
Developer
Responsibilities:
- Used Oracle and Informatica PowerCenter 6.2 for migrating data from various OLTP servers/databases to the ODS.
- The data migration included identifying various databases where the information/data lay scattered, understanding the complex business rules that need to be implemented and planning the data transformation methodology.
- Translated the business processes into Oracle PLSQL Procedures or Informatica mappings for building the ODS.
- Created complex Oracle Procedures to load the data into ods and monitored them.
- Created Informatica mappings involved extensive use of transformations like Aggregator, Filter, Router, Expression, Joiner, Sequence generator.
- Used Lookup Transformation to access data from tables, which are not the source for mapping and also used Unconnected Lookup to improve performance.
- Configured the mappings to handle the updates to preserve the existing records using Update Strategy Transformation.
- Defined Target Load Order Plan and Constraint based loading for loading data correctly into different Target Tables.
