Data Test Engineer SQL Python For Test Automation Data Warehouse ETL Testing Databricks Azure DevOps Test Plans AM

WNS; Bengaluru; Presencial; INR 900.000 - 1.500.000; Tempo integral

Resumo da vaga

WNS is seeking a Data Test Engineer in Bengaluru to validate data pipelines and reports on an Azure/Databricks/Snowflake platform. You will design tests, verify data loads, transformations, and BI outputs, and collaborate with finance teams to ensure accuracy.

With 4–5 years of data testing experience, you will automate tests using Python and SQL, run regression suites in Azure DevOps, and document results for stakeholders.

Qualificações

• 4 to 5 years in software or data testing, with at least 2 years testing data warehouses or data platforms
• Experience testing finance or banking systems
• Degree in engineering or computer applications (B.E., B.Tech or MCA)

Responsabilidades

• Write test plans and test cases for ingestion, transformation and reporting
• Test data loads from source systems, including record counts, completeness and field-level checks
• Test Databricks transformations against source-to-target mappings
• Test Snowflake data products and access rules
• Test Power BI reports, including figures, filters, security and performance
• Automate repeatable data tests using Python and SQL
• Run regression tests for each release through Azure DevOps
• Log and track defects, and retest fixes
• Support user acceptance testing with finance users
• Report test progress and results

Conhecimentos

SQL

Python for test automation

Data testing

Data pipelines

Formação

BE / BTech / MCA

Ferramentas

Databricks

Snowflake

Power BI

Azure DevOps

Jira

Descrição da vaga

Job Description:

Company Description

WNS, part of Capgemini,is an Agentic AI-powered leader in intelligent operations and transformation, serving more than 700 clients across 10 industries, including Banking and Financial Services, Healthcare, Insurance, Shipping and Logistics, and Travel and Hospitality. We bring together deep domain excellence – WNS’ core differentiator – with AI-powered platforms and analytics to help businesses innovate, scale, adapt and build resilience in a world defined by disruption.

Our purpose is clear: to enable lasting business value by designing intelligent, human-led solutions that deliver sustainable outcomes and a differentiated impact. With three global headquarters across four continents, operations in 13 countries, 65 delivery centers and more than 66,000 employees, WNS combines scale, expertise and execution to create meaningful, measurable impact.

Why Join Us?

We promise our employees to experiencerole clarity, coaching and mentoring, professional development and structured career path through our 5 people promisesand keeping employee experience at the core. Experience the culture of Outperformance, engagement, celebration and enjoy wide variety ofbest in class benefits including free HMO coverage for self and dependent from Day 1; Also contribute to society through ourWNS Cares Foundation, where you have the opportunity to support meaningful initiatives and make an impact in the community.

Job Description

Data Test Engineer

We are looking for a Data Test Engineer with 4 to 5 years of experience to test data pipelines and reports on an enterprise finance data platform on Azure, Databricks and Snowflake. You will plan and run tests that confirm data is loaded, transformed and reported correctly, from source systems through to Power BI.

KEY RESPONSIBILITIES

• Write test plans and test cases for ingestion, transformation and reporting
• Test data loads from source systems, including record counts, completeness and field-level checks
• Test Databricks transformations against source-to-target mappings
• Test Snowflake data products and access rules
• Test Power BI reports, including figures, filters, security and performance
• Automate repeatable data tests using Python and SQL
• Run regression tests for each release through Azure DevOps
• Log and track defects, and retest fixes
• Support user acceptance testing with finance users
• Report test progress and results

TECHNICAL SKILLS

Must-have

• SQL
• Python for test automation
• Data warehouse and ETL testing
• Databricks or Snowflake
• Power BI report testing
• Azure DevOps Test Plans or Jira

Good-to-have

• pytest
• Great Expectations
• Performance testing
• Power BI tools such as DAX Studio

DOMAIN KNOWLEDGE

• Finance data and reconciliations
• Month-end close and tax processes

CERTIFICATIONS (GOOD TO HAVE)

• ISTQB Certified Tester Foundation Level (CTFL)
• SnowPro Core

EXPERIENCE AND QUALIFICATIONS

• 4 to 5 years in software or data testing, with at least 2 years testing data warehouses or data platforms
• Tested finance or banking systems
• Degree in engineering or computer applications (B.E., B.Tech or MCA)

Qualifications

Degree in engineering or computer applications (B.E., B.Tech or MCA)