ETL/DW developer

1. OCA Certified
Pradeepa Dharmappa
Mobile: +91 9838282847
Email: Pradeepa.pdp@gmail.com & dpradeepa1991@gmail.com
Career Objective:
“To succeed in an environment of Career growth and financial growth and earn a job which
provides me job Satisfaction and self-development and help me achieve personal as well as
organization goals”.
Professional Experience:
Organization #1: HCL Technologies
Duration : 2013-2017
Experience : 4 years
Designation : Software Engineer
Organization #2: InterCall, a subsidiary of West Corporation
Duration : 2017 – Present
Experience : 1 year
Designation : Senior Software Engineer
Experience Summary:
 Having around 5 years of IT experience in Data Warehousing.
 Strong experience in Data Warehousing and ETL using Informatica Power Center 9.5 ,
PL/SQL and SAP Data Service.
 Strong working experience in Informatica Power Center (PWC) Data Integration Tools –
Repository Manager, Designer, Workflow Manager, Workflow Monitor.
 Strong experience working with RDBMS like Oracle and with different file systems like Flat
Files, Salesforce and Denodo both as Source and as well Target.
 Hands-on Experience on Creating the Views using Denodo Virtualization VDP tool.
 Responsible for all activities related to the development, implementation, administration
and support of ETL processes for large scale data warehouses using Informatica Power
Center.
 Strong skills in Data Analysis, Data Modeling, SDLC, Data Requirement Analysis and Data
Mapping for ETL processes.
 Hands on experience in tuning mappings, identifying and resolving performance
bottlenecks in various levels like sources, targets, mappings and sessions.
 Well versed in developing the complex SQL queries, unions and multiple table joins and
experience with Views.
 Applied slowly changing dimension(SCD) like Type 1 and 2 effectively to handle the delta
Loads.
 Strong knowledge in database programming in PL/SQL.
 Well versed in UNIX shell scripting.
 Experienced at Creating Effective Test data and development thorough Unit test cases to
ensure successful execution of the data & used pager for notifying the alerts after
successful completion.
 Experienced as Team leader.
 Oracle Certified Associate (OCA) certified on SQL and PLSQL Developer.
Technical skills:
Language : PL/SQL, Python, Unix
Database : Oracle 12c, SQL server , Informix
Tools : Informatica Powercenter, SAP BODS, Denodo , JIRA
Certificate : Oracle Certified Associate (OCA)
Informatica Powercenter
Lean Sigma
Operating system : Unix(Linux), Windows

2. Educational Qualifications:
Degree College Percentage
BE (B.tech) -
CS
Malnad College of Engineering, Hassan,
Karnataka, India
84.90%
PUC(10+2) Prathibha Pre University College Arasikere.
Karnataka, India
78.66%
SSLC(10th) St. Mary’s High School, Arasikere
Karnataka, India
75.20%
Educational Qualifications:
Company #1: HCL Technologies
Project #1: AAA NCNU (the American Automobile Association, Inc)
Role : Production Team Member/Lead
 Tech Skills : SQL, Informatica, Denodo
 Domain : Insurance
 Duration : August 2013 – Feb 2017
 Team Size : 16
 Location : Bangalore, India.
Project Description:
AAA NCNU offers a wide array of automotive, travel, insurance, DMV, financial services,
consumer discounts and other personal lines of insurance to AAA members through
partnerships with AAA clubs. AAA clubs primarily provide emergency road services to
members; provide members a world-class experience in conducting transactions and
payments while delivering personalized interactions based on members’ profiles.
Responsibility:
 Maintaining the healthiness of the application to ensure the smooth flow of
business.
 Prepared Technical Design document of production jobs and developing and Unit
Testing of the jobs before migration.
 Learned new technology – denodo and worked with the Development team.
 Worked with admin team to migrate the informatica workflows from Dev/QA to
Production environment.
 Effectively monitor the daily jobs to ensure the smooth flow of daily batches.
 Worked with team members to identify and fix the code in production.
 Actively involved in disaster recovery and up gradation/implementation.
 Actively participating in KT Session, PM call and On-site calls on weekly basis.
 Awarded Best Production team member in the year 2014 and promoted as
production team lead.
 Handled the team of 6 members in the production environment as a Team Leader.
 Worked in the recruitment process to hire the new member into the project.
 Worked in different shift (Morning, afternoon and Night) and Make sure team
members having productive knowledge on production jobs irrespective of their
shifts.
Project #2: AAA NCNU (the American Automobile Association, Inc)
Role : Senior ETL Developer
 Tech Skills : Informatica, JIRA, PLSQL
 Duration : 2015 - 2017
 Domain : Insurance
 Location : Bangalore, India.
 Team Size : 6

3. Responsibility:
 Analyzed the business requirements and functional specifications.
 Extracted data from oracle database and spreadsheets and staged into a single
place and applied business logic to load them in the central oracle database.
 Used Informatica Power Center 9.5 for extraction, transformation and load (ETL) of
data in the data warehouse.
 Extensively used Transformations like Router, Aggregator, Normalizer, Joiner,
Expression and Lookup, Update strategy and Sequence generator and Stored
Procedure.
 Developed complex mappings in Informatica to load the data from various sources.
 Applied slowly changing dimension (SCD) like Type 1 and 2 effectively to handle
the delta Loads.
 Worked on complex mappings, Resuable Tranaformations, mapplets and workflow to
meet the business needs ensured they are reusable transformation to avoid
duplications.
 Used SQL Override in Source qualifier to customize SQL and filter data according to
requirement.
 Automated the Informatica jobs using UNIX shell scripting and Created PLSQL
code.
 Created the Views using Denodo Virtualization VDP tool.
 Prepared various mappings to load the data into different stages like Landing,
Staging and Target tables.
 Implemented performance tuning logic on targets, sources, mappings, sessions to
provide maximum efficiency and performance.
 Parameterized the mappings and increased the re-usability.
 Used Informatica Power Center Workflow manager to create sessions, workflows
and tasks to run with the logic embedded in the mappings.
 Extensively used Informatica debugger to figure out the problems in mapping. Also
involved in troubleshooting existing ETL bugs.
 Prepared SQL Queries to validate the data in both source and target databases.
 Prepared the error handling document to maintain the error handling process.
 Created a list of the inconsistencies in the data load on the client side to review
and correct the issues on their side.
 Created the ETL exception reports and validation reports after the data is loaded
into the warehouse database.
 Written documentation to describe program development, logic, coding, testing,
changes and corrections.
 Closely worked with the reporting team to ensure that correct data is presented in
the reports.
 Interaction with the onshore team/Client on a daily basis on the Requirement
activities and found the document in JIRA.
Company #2: Intercall, a subsidiary of West Corporation.
 Client : West Corporation - Intercall
 Role : ETL/DW engineer| Off-shore team lead
 Tech Skills : PLSQL, SAP BODS, OLR and CRS Application
 Domain : Telecommunication
 Duration : 2017 – Till Date
 Team Size : 3
Responsibilities:
 Worked on enhancement of existing PLSQL blocks to implement the new
requirements.
 Maintaining and supporting the OLR/CRS application.
 Having ownership of the application ( OLR and CRS ).
 Clarifying and supporting the customer queries about OLR/CRS application data
issues.
 Analyze the requirement and created the ETL code using SAP BODS .
 Loaded the different data from Flat files/Informix/Oracle database to Oracle tables
and generated the Flat Files.
 Creating Procedure, function, Cursor , Triggers on new requirements and migrating
into production.
 Monitoring the notification sent by the Shell scripts daily, weekly and monthly
basis.

4.  Identifying the issues/errors raised from the Shell scripts and finding the solutions
and check with other team members before changes made in Production
environment.
 Monitor the Data Service ETL jobs daily/Weekly/Monthly basis. Modifying the Data
Service job whenever code fix needed.
 Clarifying the doubts regarding customer query/Reporting team(Business
Objects)/Tableau Team on table data.
 Worked with Reporting team to clarify the Data issues and fixing the PLSQL code.
 Worked with QA team and participated in the migration process.
Personal Details:
Name : Pradeepa Dharmappa
Sex : Male
Marital Status : Single
I hereby declare that the above-mentioned details are true to the best of my knowledge.
Sincerely,
Pradeepa Dharmappa