chaitanya kumar k, ETL Developer

chaitanya kumar k

ETL Developer

EXL Service

Location
India
Education
Bachelor's degree, Information Technology
Experience
8 years, 10 Months

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Work Experience

Total years of experience :8 years, 10 Months

ETL Developer at EXL Service
  • India - Bengaluru
  • My current job since November 2017
Software Engineer at Prodapt Solutions
  • India - Bengaluru
  • May 2017 to October 2017

• Extensively involved in Data Extraction, Transformation and Loading (ETL) from Source to Target Systems using Informatica Power Center.
• Developed mappings by using Informatica Transformations like Expression, Filter, Aggregator, Source Qualifier, Lookup, Joiner, Router, Update Strategy etc.
• Worked with various developer modules like profiling, standardization and matching.
• Designed various mappings and mapplets using different transformations such as key generator, match, labeler, case converter, standardize, parser and lookup.
• Incorporated the DQ mapplets into PC Mappings.
• Implemented PC DQ mappings to test the standardized and cleansed new data.
• Populated the data into target tables in an efficient manner.
• Involved in Unit testing and identifying the bottlenecks and tuning to improve the performance.
Used workflow manager to create workflows and sessions

Consultant Informatica at SAPCLE
  • United Arab Emirates - Dubai
  • July 2016 to December 2016

Daman started its business in 2006, currently operated over 12 branches in UAE and Daman is UAE’s
first exclusive health insurance provider. Daman is a public joint-stock company which is 80% owned by
the Abu Dhabi Government with the remaining 20% owned by Munich Re. Munich Re is one of the
world’s leading reinsurers.
Atlas is the core data warehouse of Daman. It combines data from all major operational systems:
MedNext, Oracle Finance, Rule Engine and Documentum, plus custom groupings (CSV)
Atlas has a high business impact as well as visibility throughout the whole company
.
Responsibilities:
 • Extensively involved in Data Extraction, Transformation and Loading (ETL) from Source to Target Systems using Informatica Power Center.
• Developed mappings by using Informatica Transformations like Expression, Filter, Aggregator, Source Qualifier, Lookup, Joiner, Router, Update Strategy etc.
• Implemented Slowly Changing Dimensions. Used Type 2 Dimension to keep the history changes.
• Worked with various developer modules like profiling, standardization and matching.
• Designed various mappings and mapplets using different transformations such as key generator, match, labeler, case converter, standardize, parser and lookup.
• Incorporated the DQ mapplets into PC Mappings.
• Implemented PC DQ mappings to test the standardized and cleansed new data.
• Involved in Unit testing and identifying the bottlenecks and tuning to improve the performance.
• Used workflow manager to create workflows and sessions

Associate Consultant at Datamatics
  • India - Bengaluru
  • November 2014 to February 2016
Associate consultant at Datamatics
  • India - Bengaluru
  • November 2014 to February 2016

International, Inc., is an American manufacturer of consumer electronics that specializes in
connectivity devices. It sells various consumer and commercial product. Linksys is a company selling data
networking hardware products mainly to home users and small businesses. It is currently owned by Belkin, who
bought it from Cisco Systems.
Belkin Vendor Drop Shipments Data Ware Housing project is required for the end-to-end management
of Vendor Drop Ship and Consolidate Direct Shipments through 3PLs and load data into VDS DW for building a
BO Universe upon the created VDS tables. The objective of this project is to create VDS Data mart and automate
the process of loading/updating VDS related data sets from various sources (Flat files from Users, Third parties,
Vendors and the Oracle Tables of ERP) using Informatica Mappings.
Responsibilities:
 Analyzing the requirements.
 Extensively involved in Data Extraction, Transformation and Loading (ETL) from Source to Target systems

Education

Bachelor's degree, Information Technology
  • at JNTU
  • May 2012

QUALIFICATION: 

Specialties & Skills

Database
Oracle SQL
Database
Informatica Power Exchange
Data Warehousing
Informatica
Informatica
Data warehouse
Informatica Power Center
DATA WAREHOUSING
DATAWAREHOUSING
MICROSOFT WINDOWS 7
Snowflake
Tableau
Informatica Data Quality
Business Intelligence

Languages

English
Expert
Telugu
Native Speaker

Hobbies

  • Listening Music