Data QA
Location Parsippany, NJ - Day 1 onsite – Look for local consultant
Role Overview
We are looking for a Senior QA Engineer with strong expertise in data validation
and ETL testing across Snowflake, dbt, SQL Server, Oracle, and DB2. This role
is focused on ensuring data quality, accuracy, and reliability across source
and target systems.
Primary Technical Skills
- Strong experience with Snowflake, dbt, SQL, and
ETL/ELT processes.
- Hands-on experience with SQL Server, Oracle, DB2,
and other database management systems.
- Good understanding of ETL/ELT workflows and data
warehousing concepts.
- Experience in data testing, validation, and
reconciliation.
- Working knowledge of Jira and Confluence.
Key Responsibilities
- Perform end-to-end data validation across source
and target systems.
- Validate dbt models and Snowflake transformations
to ensure accurate data processing.
Soft Skills and Domain Knowledge
- Strong written and verbal communication skills,
especially for onsite client-facing responsibilities.
- Ability to collaborate effectively with client
stakeholders.
- Insurance domain knowledge is preferred.
Interview Questions
- How do you validate dbt models and confirm the
accuracy of Snowflake transformations? What types of tests do you
typically implement?
- If you find a mismatch between source data and
the Snowflake target, how would you perform root cause analysis and
complete revalidation?
- If the source data is in Oracle or SQL Server and
the target is in Snowflake, how would you design end-to-end SQL
validation? What checks would you include?
Mandatory Skills: Data Testing, dbt, Oracle ETL and Scripting,
Snowflake.