1. Arunkumar J S
Tel: 09686733637
E-mail:.arunkumar.j.santharam@wellsfargo.com
CAREER SUMMARY
Talented and qualified professional with 5+ years of IT Experience Data Warehousing(Abinitio)
Summed up with excellent Technical, Analytical and Project Execution skills
CAREER OBJECTIVE
With a brilliant professional record I wish to join a challenging role on data warehousing as
Senior Data Analyst/Tech Lead
That provides for vertical growth in responsibility and a lateral growth in terms of exposure to various
technologies and data warehousing
» Enables me to give in efficientand effectivesolution by developing the Graphs. Analyzing data and
transformations that would help the organization to achievethe best solution in business and the Project.
My Core competencies include
PROFESSIONAL PROFILE
 Overall 5+ Years of experience in Data warehouse environments as Ab Initio Developer and also having
experience in Data mapping and Data model.
 Expertise in design, development and implementation of Data Warehouse Projects.
 Designed, Developed major warehouses and data mart layers as a senior developer, whichinvolved
processing terabytes of data.
 Designed and Developed End to End applications whichinvolvedintegrating and processing multiple sources
into a common warehouse.
 Strong Data warehousing experience using ETLTool-Ab Initio
 Involvedin creating High Level Design and Low levelETL design documents.
 Experience in workingon building strategic warehouse using Semi Agile Methodologies.
 Implemented slowly changing strategy to manage the data in the dimension tables.
 Experience in Performancetuning of complex sql’s and graphs.
 Extracted data from various source systems like COBOL, XML files as per the requirements.
 Worked on Control-M andAutosys tomonitor Workflowsand debugging the issues reported for job failure.
 Created mappings to build business rules to load data.
 Created Data Models, Mapping documents, PDM,FSD and DDL’s to integrate and standardize data from
multiple sources on the Teradata platform.
 Data Warehousing Environment
 Developing Graphs and Wrappers
 Teradata, Oracle
 Control-M, Autosys
 Unix- shell scripting
 Created PDM (Physical Data Model)
 Testing and Development
 Technical Documentation
 Presentation
 Analytical Skills
 Result Oriented
 Created FSD and DDLs

2.  Extensively worked with Development and Production Environments.
 Strong behavioral points include excellent interpersonal communication and management skills, quick
adaptation in a given situation, ability to perform under pressure, an effectiveteam member and cope with
new scenarios quickly
ACADEMICS
EDUCATION INSTITUTION YEAR OF
PASSING
MARKS/C
GPA%
B.E (ECE) Thiagarajar College Of Engineering, Madurai 2010 7.67
XII Sourashtra Higher Secondary School, Madurai 2006 90.67
X Sourashtra Higher Secondary School, Madurai 2004 83.2
SERVICE DELIVERY EXPEREINCE
 Has worked in different lifecycle activities like Requirements, Design, Coding, Unit Testing and Support.
 Good experience in Quality Assurance and Process Engineering
PROFESSIONAL EXPEREINCE
ProjectEngineer– Wipro Technologies,Bangalore
October2010 to May2014
Data Analyst– WellsFargo IndiaSolutionsPvtLtd, Bangalore
May2014to Till Now
DOMAIN EXPEREINCE
Banking: 63 months
FUNCTIONAL EXPEREINCE
#1.Digital Analytics (October2010 to December2011)
Project Name: IA – Servicing (Internet Analytics – Servicing)
Client: Capital one, US
Tools: Ab Initio
Operating System: UNIX.
Role: ETL Developer
Team Size: 8
Project Description:
The Objective of this project is to capture the data from various channels and store into EDW.
Following are the various channels and the type of data that captures into EDW
 Secured Messages (messages sent to EOS Customers through a secured channel inbox which is only available to
the customer on Client’s EOS pages)

3.  Audit Log (activities performed by Customers on EOS-sponsored web pages - includes frames hosted by ISSO
and SSP)
 Mobile-to-Mobile Communication (Metrics concerning requests sent to Bank by our customers on their mobile
devices & the responses a third-party vendor returns to them)
 MFA security authentication analytical data for card customers
 Alert Requests (information as to alerts a customer signs up for concerning their credit card accounts with Bank)
Roles and Responsibilities:
 Mainly involved in ETL developing.
 Created Source and Target Definitions in the repository and Implemented Error Handling Strategy in all
dimension mappings.
 Implemented slowly changing strategy (SCD –Type 2) to manage the data in the dimension tables.
 Extensively worked with Multi files system and used Partition Components and De Partition components.
 Used the sub graphs to increase the clarity of graph and to impose reusable business restrictions and tested
various graphs for their functionalities.
 Developed Strategies for Data conversions, Extraction, Transformation and Loading (ETL) processes.
 Extensively worked with XML components to parse the XML data.
 Involved in code migration across different QA Environments and Involved in Production Rollout Activities
 Responsible for creating test cases to make the data originating from the source was making it into target
properly in the right format.
 Creating Wrappers in UNIX to execute the Graphs.
 Monitoring the Jobs in Control-M and Coordinating with Support team for Bug Fixes.
 Worked on WEB-EME for tracing, Prepared Visio's and Run Book.
#2. BASEL-IIDWH(January2012 to Nov 2013)
Project Name : BASEL-II DWH
Client : Capital One US
Tools : Ab Initio
Operating system: UNIX
Role : Senior Developer
Team Size : 3
Project Description:
Basel II, is intended to create an international standard for banking regulators to control how much capital banks
need to put aside to guard against the types of financial and operational risks banks face. The Basel II Teradata
Repository Build-Out project is responsible for implementing the Teradata Repository which will store all data
elements required for the development and execution of Basel II Repository.
Roles and Responsibilities:
 Have done the Reverse Engineering to find out the required attributes for the new BASEL DWH from the
existing system using WEB-EME and Abinitio Graphs.
 Developed Ab Initio graphs using various components of datasets, partition, departition, sort and
transform components.
 Used the sub graphs to increase the clarity of graph and to impose reusable business restrictions and tested
various graphs for their functionalities.
 Involvedin creating Low level ETL design documents.
 Extensively worked with FTPand MainframeComponents,Developmentand ProductionEnvironments.
 Involved in code migration across different QA Environments and Involved in Production Rollout Activities

4.  Responsible for creating test cases to make the data originating from the source was making it into target
properly in the right format.
 Creating Wrappers in UNIX to execute the Graphs.
 Monitoring the Jobs in Control-M and Coordinating with Support team for Bug Fixes.
 Worked on WEB-EME for tracing, Prepared Visio's and Run Book.
#3. PCI DSS – SHIELD (June 2013 to May2014)
Project Name : PCI DSS – SHIELD
Client : Capital One US
Tools : Ab Initio
Operating system: UNIX
Role : Senior Developer
Team Size : 3
Project Description:
The PCI DSS (Payment Card Industry Data Security Standard) was created jointly in 2004 by four major credit-
card companies: Visa, MasterCard, Discover and American Express. Project SHIELD - an Enterprise-wide
initiative to achieve the PCI DSS requirements to build and maintain a Secure Network.
Roles and Responsibilities:
 Involvedin creating High Level ETLdesign documents.
 Extensively worked with many projects (Sandbox) and Coordinating with all the teams to go live with
their changes in the respective projects.
 Developed Ab Initio graphs using various components of datasets, partition, departition, sort and
transform components.
 Used the sub graphs to increase the clarity of graph and to impose reusable business restrictions and tested
various graphs for their functionalities.
 Involvedin creating Low level ETL design documents.
 Involved in code migration across different QA Environments and Involved in Production Rollout Activities
 Responsible for creating test cases to make the data originating from the source was making it into target
properly in the right format.
 Creating Wrappers in UNIX to execute the Graphs.
 Monitoring the Jobs in Control-M and Coordinating with Support team for Bug Fixes.
 Worked on WEB-EME for tracing, Prepared Visio's and Run Book.
#4.MODE (May2014to Till Now)
Project Name : MODE
Client : Wells Fargo, US
Tools : Ab Initio
Operating system: UNIX
Role : Senior Analyst
Team Size : 5
Project Description:
The Mortgage Operational Data Environment (MODE) exists to provide a technology solution for the
acquisition, transformation, storage and delivery of electronic data produced in various systems-of-record
(SOR) which are required to support business partners to perform day-to-day critical business processes.
In other words, MODE acts as a Data Exchange “Broker” between data producers and data consumers.
Other than technology rules used to transform source data to standardized delivery data, MODE does not

5. incorporate or intend to support business process rules or functionality to directly support business
process implementation.
Roles and Responsibilities:
 Analysis of the Functional SpecificationDesign document with Business Analyst
 Requirement gathering from the client for specific service
 Development of ETLcode and UNIX utilities using various transformation components.
 Review the code and graphs and delivered it to client on time.
 Carrying out Unit Testing forcode with test data
 Creating reusable components to improve performance in graph
 Providing immediate solutions to client/end user for run-time errors based on the severity of the issues
 Extensively used Anthill build and deployed tool for code Promotion.
 Used AUTOSYSfor Scheduling the Jobs and setting up the Jobs forexecution
 Preparing list of Deliverables during code delivery
 Resolving QA issues and queries to support the process
 Handling all aspects of customer reported issues and their causes
 Conducting Knowledge Transfer sessions to extend and share technical knowledge withteam-mates
 Extensively involved in production support incidents whichare run through AUTOSYS.
 Extensively involved in various iterations for designing and developing the code
 Participating in peer-review process of the code-fixfor the quality of deliverables.
 Development tracking through Jira tool.
 Extensively worked in Express IT tool.
 Extensively used control center tool to monitor the ETLjobs and its failures.
#5.MIDE (Nov2014 to Aug2015)
Project Name : MIDE
Client : Wells Fargo, US
Tools : Power Designer
Operating system: Windows
Role : Data Analyst
Team Size : 3
Project Description:
MIDE is a platform within Wells Fargo Home Mortgage whichintegrates and standardizes data from multiple
sources on the Teradata platform. This platform allowsus to present customized views of a single set of physical
data to various parts of WFHM withoutthe need to duplicate and distribute that data. MIDE consists of a series of
databases on the Teradata platform and an associated ETLHUB which loads those databases using Ab-Initio.
Roles and Responsibilities:
 Created Mapping documents, PDM(PhysicalData Model), FSD (Functional Design Document),Source
Detail Document and DDL’s to load data into MIDE from Various Sources (Legacy and Non-legacy system).

6.  Involvedin Designing & Reviewing the Code and design documents with onsite partners.
 Worked withDBA for deploying the DDLs in development environment.
 Worked withETL developers for deploying the DDL in SIT/UAT environment.
 Extensively supported DQ team to complete their testing.
 Participated in all the Weekly Status Calls/Monthly Deck with partners.
PROFESSIONAL ACHIEVEMENTS
1. Have received shared success for outstanding work done in the MIDE and MODE Projects.
2. Have received appreciation mails from the client, Supervisors and team members.
3. Have been awarded 'FEATHER IN MY CAP ' Award for excellent contribution and outstanding performance.
4. Cleared UCF Technical exam’s which are mandatory for all Wipro Employees of my Job Band with good scores.