Data Tester

Role Overview

Data Testing Specialist

Key Responsibilities

1. Apply strong knowledge of

   Data Warehouse concepts

   and perform

   ETL validations

   using tools like

   Informatica

   ,

   Matillion

   , and

   DBT

   to ensure seamless data extraction, transformation, and loading.
2. Execute and manage complex queries across databases such as

   Snowflake

   ,

   Oracle

   ,

   Netezza

   ,

   SQL Server

   ,

   DynamoDB

   ,

   DB2

   , and

   Postgres

   .
3. Conduct data validation and troubleshooting using

   SQL scripting

   .
4. Develop and maintain

   automation scripts

   using tools like

   QuerySurge

   ,

   Tosca DI

   ,

   Python

   ,

   Java

   , and

   Selenium

   to enhance testing efficiency and support regression testing.
5. Perform data validation and reporting using

   BI tools

   such as

   MicroStrategy

   ,

   Power BI

   , and

   Tableau

   , ensuring consistency and accuracy across platforms.
6. Author comprehensive

   test scripts

   to validate data processes and outcomes.
7. Conduct

   regression testing

   to ensure continued functionality and performance of data applications.
8. Analyze defects and collaborate with development teams for timely resolution.
9. Create, manage, and maintain

   test data sets

   for realistic and consistent testing scenarios.
10. Apply appropriate

    testing methodologies

    to ensure thorough coverage and quality control of data systems.
11. Utilize

    cloud platforms

    such as

    AWS

    and

    Azure

    for cloud-based testing environments and solutions.
12. Use

    test management tools

    like

    Jira

    ,

    ALM

    , etc., for tracking and reporting.

Required Skills & Experience

• 6+ years of experience in

  data testing

  ,

  ETL validation

  , and

  automation

  .
• Strong hands-on experience with

  SQL

  ,

  ETL tools

  , and

  BI platforms

  .
• Proficiency in

  automation scripting

  using

  Python

  ,

  Java

  , and

  Selenium

  .
• Experience with

  QuerySurge

  ,

  Tosca DI

  , and other data testing tools.
• Familiarity with

  cloud environments

  (AWS, Azure).
• Knowledge of

  test management tools

  like Jira and ALM.
• Excellent analytical, troubleshooting, and communication skills.