Senior Data QA / Tester

Robotics Technologies LLC; Sunnyvale (CA); On-site; USD 150,000 - 190,000; Full time

Job summary

Robotics Technologies LLC seeks a Senior Data QA / Tester to validate data pipelines and transformations built on Snowflake and dbt. You will leverage SQL-based testing, dbt tests, and Python automation to ensure data accuracy, completeness, and reliability across large datasets.

You will collaborate with data engineering to design robust validation frameworks, implement schema tests, and review code in Git workflows.

Qualifications

• 10+ years in Data Testing / Data QA / Data Engineering Validation.
• Proficient in writing complex SQL validation queries.
• Hands-on with dbt-based transformations and Snowflake data validation.
• Experience building automated data testing with Python and Git workflows.

Responsibilities

• Validate data pipelines and transformations built on Snowflake and dbt.
• Ensure data accuracy, completeness, reliability and quality.
• Collaborate with data engineering to design robust validation frameworks and review code in Git workflows.

Skills

Data QA

SQL

dbt testing

Snowflake

Python scripting

Git workflows

Automation testing

Data validation

Job description

• We are seeking a Senior Data QA / Tester with strong hands-on experience in validating modern data pipelines and transformation frameworks built on Snowflake and dbt.
• This role is responsible for ensuring the accuracy, completeness, reliability, and quality of data pipelines and transformations developed by data engineering teams.
• The ideal candidate brings deep experience in data validation, SQL-based testing, dbt testing frameworks, and automation.
• Experience with Fivetran-based ingestion validation is a plus, but the primary focus is testing Snowflake and dbt-based transformations.

Required Qualifications:

• 10+ years of experience in Data Testing / Data QA / Data Engineering Validation roles.
• Strong SQL expertise with experience writing complex validation queries.
• Hands-on experience testing dbt-based transformations, including schema tests, custom tests, models, snapshots, and transformation validation.
• Understanding of dbt project structure and workflows.
• Strong Snowflake experience, including data validation, reconciliation, micro-partitions, incremental loads, query behavior, and large-scale datasets.
• Experience building automated data testing frameworks using Python and SQL.
• Hands-on experience with Git workflows, version control, pull requests, and code reviews.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.