Summary
Overview
Work History
Education
Skills
Certification
Timeline
Generic

Krishna Chaitanya Lakkur Muralidhar

Manchester,United States

Summary

Having more than 13 years of experience exclusively in the field of ETL Testing and Cognos & QlikView Reports Testing for Data warehousing & Business Intelligence across Health care and BFSI Domains
Coordinating with Client, Tech Leads, Business Analyst and Offshore team from Onsite to gather the requirements, understand the business expectations and supervise the offshore team to accomplish the Iteration goals.
Owned Build and Deployment of Release enhancements into Production using Jenkins
Developed a Python based automation solution for automating ETL testing process which reduced Manual efforts and time.
Lead the offshore ETL testing team for a DW&BI project of a major Insurance client operating in agile environment.
Involved in various phases of Data Warehousing projects and has experience in complete software engineering life cycle from requirements gathering through Development, testing, Deployment and maintenance
Proficient in creating the Test Plan, Test Evaluation Summary, Test cases, Test scripts, Test Data and analyzing the Test Results
Has gained expertise in functional testing methodologies that include Systems Integration Testing, User Acceptance Testing Support, Regression Testing, Release Testing and Post Production Validations for the ETL/BI systems
Experience in Data Validation, Data Verification and has strong defect analysis and problem-solving skills
Comprehensive knowledge of ETL testing, Reports Testing, SQL and Agile practices.
Worked on validations of SAS Extracts / Cognos & QlikView Reports generated on Data Ware house
Expert in writing Complex SQL queries as per complex Business rules / Transformation logics
Worked with databases like SQL Server, Teradata, Oracle and DB2 and ETL tools like Informatica
Self-motivated and has the ability to go to the core of the problem, having good work ethics with good communication & interpersonal skills
Has received several appreciation mails from both my Managers / Supervisor and the clients
Optimized the Production checkout with the automation tool ‘Monthly Checkout Optimization (MCO)’ which reduced the manual efforts from 10 hours to 2 hours
Trained the resources from other projects about Data warehouse Testing concepts and SQL writing
Owned the process activities for Defects leakage prevention and Senior Management Review reports on monthly basis

Overview

14
14
years of professional experience
7
7
years of post-secondary education
1
1
Certificate

Work History

Onshore Delivery Lead & ETL Tester

Larsen & Toubro Infotech
Hartford, CT
05.2019 - Current

Coordinating with Client, Tech Leads, Business Analyst and Offshore team from Onsite to gather the requirements, understand the business expectations and supervise the offshore team to accomplish the Iteration testing goals.
Gather new requirements for different applications, drawing out a plan for Testing of the enhancements for the applications requested by the users and planning work for offshore team members
Perform ETL testing for Data Warehouse application enhancements as per given complex Business rules
Prepare the Test Plan, review with the team and follow up for reviews and comments
Responsible for reviewing every work done by Offshore team (test cases, Queries, validation logs, defects raised by team, etc)
Automating, Scheduling and running Data Warehouse ETL jobs using Autosys and Batch script files
Owning Build and Deployment of Release enhancements into Production using Jenkins
Identify areas for automation and come up with automation feasibility analysis
Design Test Automation strategies and frameworks and customize it as per the application testing requirements
Automate ETL validations using Python, SQL
Participate in daily meetings happening at Onshore and discuss about upcoming milestones, bring up the issues / risks foreseen if any and follow up for the resolutions and pass the updates to offshore team
Providing Plan estimates for the User stories.
Overseeing the smooth execution of the new functionalities as Onshore Coordinator
Follow up on escalations and issues with clients
Addressing and testing critical customer defects
Ensure all deliverables are met on time across all phases right from Requirements gathering till Test closure.
Reviewing work products from offshore - Interacting and coordinating with the offshore team
Participate in the stand-up call to update the status and discuss the issues if any.

Test Lead

Larsen & Toubro Infotech
Chennai, Tamil Nadu
09.2014 - 05.2019

Leading the offshore team and ensure all deliverables are met on time across all phases of testing right from Requirements gathering till Test closure.
Reviewing Test plan and identification of Test scenarios for Integration Testing
Responsible for reviewing every work done by Offshore team (test cases, Queries, validation logs, defects raised by team,.. etc)
Identifying validations that could be automated and come up with the action plan for developing the QTP script for the same by conducting discussions with the automation resources in the team
Came up with the automation initiative to optimize the Production checkout ETL validations by merging the queries and making them run through the automation suite. This automation approach significantly reduced the QA manual efforts from 10 hours to 2 hours
Providing testing estimates for the test items.
Creating Test Execution Metrics to report the SIT Status Day to day.
Co-ordinate with Onsite counterpart and lead the daily status calls and discuss about upcoming milestones, bring up the issues / risks foreseen if any and follow up for the resolutions.
Participate in the daily stand-up call to update the status and discuss the issues if any.
Following up on defects raised by team until closure.
Preparation of KT plan for newly joined resources in the Team.
Mentored the newly joined resources about Agile Testing practices
Owning the process activities Defects leakage prevention and Senior Management Review

Associate Projects

Cognizant Technologies Solutions
Chennai, Tamil Nadu
11.2010 - 09.2014

Involved in Requirement & Understanding phases across all Releases
Involved in providing testing estimates for the test items.
Involved in creating Test plan.
Preparation of Test Cases and execution query.
Involved in running the Informatica session and monitoring it.
Identified the Test scenarios for Integration Testing
Executed Oracle and Teradata SQL test queries to validate Referential Integrity between tables for each subject area across all phases of Data Movement.
Responsible for reviewing every work done by System testing team (test cases, validation logs, defects raised by team and etc)
Logged all defects in ALM that were encountered during manual validation and followed up until closure
Attending daily status call to discuss the issues and to update the status.
Created Daily Dashboard in ALM to report the SIT Status Day to day.

Test Engineer

Thinksoft Global Services
Chennai, Tamil Nadu
08.2008 - 10.2010

Understanding the functionality using the Functional Specification Documents, Data Model, Data Mapping Specifications and Low-level design and raising clarifications present if any in the clarification tracker and response updating through discussions with Onsite.
Preparation of Test Cases by decomposing of requirements into testable functions, Execution templates to validate the accurate Upload of data from listed source systems (Core & Transactional data) through verification of data in the staging area and Query (taking in to consideration the transformation logics if any) for extraction of Data to feed the execution Templates.
Preparation of queries for reconciliation of Data from source to target based on the Quantitative testing approach.
Completion of planning effectively with good quality of Test wares.
Day Zero verification with a checklist to ensure the expected resources to be in place in the test environment for start of test execution.
Executing the test cases with proper sampling data meeting all the required scenarios of different permutations and combinations.
Preparing defect report and tracking defects till closure.
Reconciling the production data for 30 days after GO - LIVE of every release.

Education

Bachelor of Science - Electronics And Communications Engineering

Chadalawada Ramanamma Engineering College
Tirupati
06.2004 - 05.2008

High School Diploma -

SV Govt Polytechnic College
Tirupati
07.2001 - 05.2004

Skills

ETL Testing

undefined

Certification

ISTQB Certified Tester Foundation Level

Timeline

Onshore Delivery Lead & ETL Tester

Larsen & Toubro Infotech
05.2019 - Current

ISTQB Certified Tester Foundation Level

10-2017

Test Lead

Larsen & Toubro Infotech
09.2014 - 05.2019

Associate Projects

Cognizant Technologies Solutions
11.2010 - 09.2014

Test Engineer

Thinksoft Global Services
08.2008 - 10.2010

Bachelor of Science - Electronics And Communications Engineering

Chadalawada Ramanamma Engineering College
06.2004 - 05.2008

High School Diploma -

SV Govt Polytechnic College
07.2001 - 05.2004
Krishna Chaitanya Lakkur Muralidhar