G Balakrishna
Full time employee
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About
Overall 8.5 years of total experience in the field of IT-Software industry. Vast experience in ETL development cum support involves building scalable data pipelines while maintain and troubleshooting production data flows. Proficiency in data warehousing techniques for data cleansing, Slowly Changing Dimension phenomenon, surrogate key assignment and CDC (change data capture).
Worked in the entire life cycle of Data ware Housing projects from requirements gathering to moving the code to production and preparing the documents (deployment, checklist, issue tracking) at various stages of projects.
Experience in creating complex Informatica Mappings using Source Qualifier, Expression, Router, Aggregator, Lookup, Normalize, and other transformations in Informatica and well versed in debugging an Informatica mapping using debugger. Efficient development skills in oracle database objects in creating tables, procedures, functions, views, index, performance tuning. Extensively worked on Mapping Parameters, Mapping Variables and Session Parameters.
Good knowledge on Data Warehousing/ETL concepts (SCD Types, Initial and Incremental Loads, Fact and Dimension Tables, Star and Snowflake Schema, Data cleansing, transformations). Good expertise in Agile methodology Projects and attending scrum calls daily basis.
Strong Problem
Analysis & Resolution skills and ability to work in Multi-Platform Environments like Windows and UNIX. Able to work effectively with remote locations including onsite offshore stakeholder teams. Create quality compliant code along with providing guidance to developers.
Experience
Full time employee - NTTDATA
(2020-11 - 2016-03)
Contractor - Sonata software - Bangalore
(2018-10 - 2019-02)
Under the payroll of I bridge techsoft
Contract employee - Cognizant
(2017-12 - 2018-06)
Under the payroll of Aaxeleron technology solutions
Contractor - Deloitte
(2017-08 - 2017-11)
Under the payroll of ACS Global
Sub-contractor - HPE
(2016-08 - 2017-04)
Under the payroll of Info bell IT Solutions through TEK Systems
Contractor - HP
(2015-01 - 2015-09)
Under the payroll of TEK Systems
Contract employee - Unisys
(2014-07 - 2014-11)
Under the payroll of Xcel now solutions
Education
Master of Computer Applications - Computer Applications - Bharathidasan University
