Senior ETL QA Engineer - Data Migration & Validation

Zohorecruit; United States; Remote; USD 90,000 - 120,000; Full time

Benefits offered by this job

Remote work

Health benefits

Flexible schedule

Job summary

Everest Technologies, Inc. is seeking a data-centric QA engineer for a remote backend modernization project. You will validate ETL pipelines, ensure data integrity, and automate data quality checks in collaboration with C# and Java developers.

The role focuses on migrating 30 disparate databases into a single MySQL instance, with emphasis on parity testing and scalable automation frameworks.

Qualifications

• 7+ years writing advanced SQL queries in MySQL/SQL Server.
• Experience testing large-scale database consolidations, data warehouse migrations, or complex ETL pipelines.
• Hands-on experience building automated data validation scripts using Python, C#, or specialized data testing tools.

Responsibilities

• Data Validation: Write complex SQL queries to validate ETL from legacy databases into the new MySQL instance.
• Migration Parity Testing: Design and execute automated reconciliation scripts to compare millions of rows, ensuring data integrity.
• Pipeline Automation: Build and maintain automated test frameworks for data pipelines with automated data quality checks.
• API Data Verification: Verify that APIs and Data Access Layers surface migrated data correctly.
• Defect Triage: Identify and troubleshoot data drift, truncation errors, mapping failures, and performance bottlenecks.

Skills

Deep SQL Expertise

ETL/Data Migration Testing

Test Automation

Backend Mindset

Parity Validation

Tools

Great Expectations

dbt tests

QuerySurge

Job description

Everest Technologies, Inc. is seeking a data-centric QA engineer for a remote backend modernization project. You will validate ETL pipelines, ensure data integrity, and automate data quality checks in collaboration with C# and Java developers.

The role focuses on migrating 30 disparate databases into a single MySQL instance, with emphasis on parity testing and scalable automation frameworks.