Data Tester Project Based

About the Role
We are seeking an experienced Data Testing Engineer with strong knowledge of data quality, data integration, and business intelligence tools. The ideal candidate will be responsible for validating data pipelines, ETL workflows, data quality, and visualizations across various platforms, ensuring accurate and high-quality data delivery to business stakeholders.

Responsibilities

• Validate data pipelines and ETL workflows to ensure accurate data delivery.
• Conduct data quality assessments including completeness, accuracy, consistency, integrity, and reconciliation testing.
• Perform ETL/Data Integration Testing, including Source-to-Target validation and transformation testing.
• Validate reports, dashboards, KPIs, and visualizations using business intelligence tools.
• Analyze business requirements, mapping documents, and translate them into effective test scenarios and test cases.
• Utilize defect tracking and test management tools to monitor and manage testing efforts.

Requirements

• Strong SQL skills with experience in writing complex queries, data validation, reconciliation, and performance analysis.
• Hands-on experience with databases such as SQL Server, Oracle, Teradata, DB2.
• Good understanding of ETL concepts and experience with ETL tools such as Informatica, Talend, Airflow, or similar platforms.
• Solid knowledge of Data Warehouse concepts, including Fact & Dimension models, Star/Snowflake schemas, SCDs, and Data Marts.
• Experience in Data Quality Testing, including data completeness, accuracy, consistency, integrity, and reconciliation testing.
• Strong analytical and problem-solving skills.

Skills

• Experience with Alibaba DTS and EMR serverless, Spark.
• Advanced SQL query capabilities.
• Hands-on experience in testing ETL processes.

Nice to Have

• Experience with Cloud Data Platforms (Azure, AWS, GCP).
• Basic knowledge of Python for data validation and automation.
• Experience with Data Governance and Metadata Management concepts.
• Familiarity with Agile/Scrum methodologies.

If you are a highly motivated and dedicated individual with a passion for data quality and testing, we encourage you to apply for this exciting opportunity. Join our team and be a part of our innovative and dynamic work culture.