ETL Tester - Senior Consultant

Winfo Solutions; Telangana; On-site; INR 800,000 - 1,300,000; Full time

Job summary

Winfo Solutions in Telangana, India seeks an experienced QA & Data – ETL Test Engineer with strong data testing, ETL validation, and database testing expertise.

Responsibilities include designing and executing ETL test cases, validating extraction/transform/load processes, and writing SQL queries for data validation while ensuring data quality across data pipelines in collaboration with Data Engineers and Business teams.

Qualifications

• Strong experience in ETL/Data Testing.
• Strong SQL skills.
• Experience with ETL tools and data pipelines.
• Good understanding of Data Warehouse concepts.
• Experience in source-to-target mapping and data validation.
• Good knowledge of defect tracking and QA processes.

Responsibilities

• Design and execute ETL and data validation test cases.
• Validate data extraction, transformation, and loading processes.
• Perform data reconciliation and source-to-target validation.
• Write and execute SQL queries for data validation.
• Identify, analyze, and report data quality issues and defects.
• Work closely with Data Engineers, Developers, and Business teams.
• Participate in functional, regression, and integration testing.

Skills

ETL/Data Testing

SQL skills

Data Warehouse concepts

source-to-target mapping

defect tracking and QA processes

Tools

ETL tools

Databricks

PySpark

Azure

AWS

GCP

Snowflake

Job description

Job Summary

We are looking for an experienced QA & Data – ETL Test Engineer with strong experience in data testing, ETL validation, and database testing.

Experience: 4–8 Years

Key Responsibilities

• Design and execute ETL and data validation test cases.
• Validate data extraction, transformation, and loading processes.
• Perform data reconciliation and source-to-target validation.
• Write and execute SQL queries for data validation.
• Identify, analyze, and report data quality issues and defects.
• Work closely with Data Engineers, Developers, and Business teams.
• Participate in functional, regression, and integration testing.

Mandatory Skills

• Strong experience in ETL/Data Testing.
• Strong SQL skills.
• Experience with ETL tools and data pipelines.
• Good understanding of Data Warehouse concepts.
• Experience in source-to-target mapping and data validation.
• Good knowledge of defect tracking and QA processes.

Good to Have

• Experience with Databricks.
• Knowledge of PySpark/Python.
• Experience with Azure/AWS/GCP.
• Knowledge of Snowflake or other cloud data platforms.
• Experience with automation testing.