Summary
Overview
Work History
Education
Skills
Timeline
Generic

Madhumitha Mohan

Staines-upon-Thames,SRY

Summary

7+ years of experience in Test Data Management as a Big Data Tester/Hadoop Tester that includes phases like Requirements gathering, Test Approach and Test Scenario Preparation, Test cases creation, Test Data Preparation, Test execution, Defect Logging, Test Evidence Preparation and Exit report preparation.

Overview

2
2
years of professional experience
4
4
years of post-secondary education

Work History

Developer

Cognizant Technologies Solutions
04.2024 - Current
  • Worked in Pyspark and shell scripts to create single customer view report in Data Lake from various systems to help business in taking decisions and increase appointment booking from customers.
  • Worked in hybrid environment where legacy and data warehouse applications and new big-data applications co-existed.
  • Worked in Azure ADF pipeline which will load data from SIPD to azure sql database where source data is picked from ADLS which is replacement of Data Export Services, to load data in Hadoop Data Lake using in-house framework.

Data Management Associate

Cognizant Technologies Solutions
04.2022 - 04.2024

Implemented robust security measures to protect sensitive company information from unauthorized access or disclosure.

  • Performed Data obfuscation process for more than 20 systems to obscure meaning of data as added layer of data protection in Non Production Environment and ensured data is GDPR compliant.
  • Test data creation and extraction based on requirements for Performance test teams to perform their tests.
  • Developed custom scripts to automate repetitive tasks, resulting in reduced manual labour, improved productivity and increase in revenue for team by supporting all requests coming in.

Data Test Lead

Cognizant Technology Solutions
2 2017 - 04.2022
  • Preparation of functional and technical Test Scenarios by analyzing scope and conversion of same into Test Cases.
  • Gathering all requirements and in scope functionalities that needs to be covered as part of testing.
  • Ingestion of data from different sources like Oracle, SQL, PostgreSQL, API into Hadoop data-lake using various frameworks like data-tap, File manager and Jobex.
  • Validated result-sets created with HQL/Pyspark code against transformation/ Mapping provided by business to meet their functional requirements.
  • Power BI Report testing which includes data reconciliation and evaluated visual dashboards based on business requirement.
  • Successfully tested and shared data in JSON extracts to MDS through EMFT with minimal defect rate.
  • Data Load from various sources (flat file, SAP CRM & ISU) into all underlying data objects in BW Functional and Regression Testing of Bex reports and Open hub reports in SAP BW Worked in data Migration of Dyno CRM database to Dynamics 365 database.
  • Responsible for providing daily status to Client by sharing Daily Summary Report. Responsible for back track issues and finding cause for issues raised by users.
  • Streamlined testing processes for increased efficiency and reduced overall test cycle time.
  • Collaborated with developers to ensure timely resolution of identified issues, resulting in improved customer satisfaction.
  • Executed test cases and documented defects, confirming resolution and mitigation of defects.
  • Reduced defect leakage rate by conducting thorough root cause analyses and proactively addressing areas of concern in future release cycles

Education

Bachelor of Science - Electrical And And Electronics Engineering

SNS College of Engineering
Coimbatore, India
08.2012 - 05.2016

Skills

Database: Microsoft SQL Server, Oracle, Redshift

Tools: JIRA, qTest, ADO, Jupiter, Putty, SAP BW

AWS S3, Glue, BODS, Azure ADF

Hadoop, Apache Hive, PySpark, Apache Sqoop, Pyspark, SSRS, Bex Analyzer, Power BI, SQL, Shell script, HQL

Testing and debugging

Timeline

Developer

Cognizant Technologies Solutions
04.2024 - Current

Data Management Associate

Cognizant Technologies Solutions
04.2022 - 04.2024

Bachelor of Science - Electrical And And Electronics Engineering

SNS College of Engineering
08.2012 - 05.2016

Data Test Lead

Cognizant Technology Solutions
2 2017 - 04.2022
Madhumitha Mohan