Data Tester - Remote

Overview

Estuate is seeking a skilled and detail-oriented Data Tester to join our Hyderabad team. The ideal candidate will have strong experience in ETL testing, SQL scripting, and Python-based data validation. You will work closely with data engineers, BI developers, and QA teams to ensure the quality and integrity of data across our systems.

In Short

• Perform ETL testing to validate data pipelines, transformations, and data loading processes.
• Write complex SQL queries to validate source-to-target data mappings and ensure data accuracy.
• Develop Python scripts for data validation, automation, and test case execution.
• Create and execute test plans, test cases, and test scripts based on business requirements and technical specifications.
• Work closely with developers and data teams to understand data flows and identify testing needs.
• Perform data quality checks and ensure compliance with business rules.
• Log defects, track resolution, and conduct regression testing.
• Participate in Agile ceremonies like sprint planning, stand-ups, and retrospectives.

Requirements

• 5–6 years of experience in Data/ETL Testing.
• Strong proficiency in SQL for data validation and analysis.
• Hands-on experience with ETL tools (e.g., Informatica, Talend, DataStage, etc.).
• Good programming knowledge in Python, especially for test automation or data manipulation.
• Experience in working with large datasets and understanding of data warehousing concepts.
• Familiarity with Agile/Scrum methodologies.
• Strong analytical and problem-solving skills.

Benefits

• Experience with data lakes, cloud platforms (AWS, Azure, or GCP) is a plus.
• Knowledge of BI/reporting tools (e.g., Power BI, Tableau) is an added advantage.