Data Tester

3 weeks ago

Pune, Maharashtra, India Gravity Infosolutions Full time
Position: Data Tester - Snowflake

Experience Required: 6+ Years

Type: Full Time

Location: Bangalore/Pune/Chennai and Hyderabad

About the Role

We are seeking a Data Tester with strong hands-on expertise in Snowflake and proven experience in validating data migrations, transformations, and pipelines. This role is critical to ensuring data accuracy, quality, and compliance in a new software tool being implemented to meet audit requirements.

The Data Tester will work collaboratively with existing resources (data engineers, BI developers, business analysts) and will not operate in isolation. Strong communication skills and the ability to function effectively in a team environment are essential.

Project Details

- The project involves setting up a new software tool designed to meet strict audit requirements.
- Most data is already in Snowflake; some data will be piped in from external sources.
- The role will focus on validating data accuracy, transformations, and reconciliation across systems to ensure compliance.
- The project is business-critical, with a strong emphasis on data quality, governance, and validation.

Key Responsibilities

- Test and validate data migrations, ETL/ELT processes, and transformations in Snowflake.
- Perform data quality checks, reconciliation, and validation between source and target systems.
- Write and execute SQL queries in Snowflake to verify data integrity and transformations.
- Design, implement, and maintain automated testing frameworks for Snowflake data pipelines.
- Collaborate closely with data engineers, BI developers, and business analysts to gather test requirements.
- Document test cases, results, and defects, and drive defect resolution.
- Support compliance with audit, governance, and data quality standards.

Required Skills & Experience

- 6+ years of experience in data testing (ETL, migrations, transformations).
- Strong Snowflake expertise (data validation, transformations, query optimization, schema validation).
- Proficiency in SQL for writing complex queries in Snowflake.
- Experience with ETL/ELT tools (Informatica, Talend, DBT, Matillion, or similar).
- Exposure to automated testing frameworks for data validation (e.g., PyTest, dbt tests, Great Expectations).
- Strong understanding of data quality frameworks and reconciliation methods.
- Excellent analytical and communication skills, with proven experience in team collaboration.

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