Expert QA Automation Tester

DCG Poland; Warszawa; Hybrid; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Private medical care

Co-financing for the sports card

Constant support of dedicatedconsult

Job summary

DCG Poland is seeking an Expert QA Automation Tester to validate complex data flows in Snowflake data warehouses and ensure data accuracy.

You will develop and support automated data validation in Snowflake and perform testing across Snowflake and AWS, collaborating with engineering and BI teams to meet project deadlines.

Nice to have: Python and Playwright knowledge; experience with dbt testing and AI tools.

Qualifications

• Proven experience in QA automation and data warehouse testing with a focus on Snowflake and AWS.
• Strong proficiency in SQL for querying, testing, and validating large datasets.
• Hands-on experience with Snowflake-specific features including Time Travel, zero-copy cloning, and performance scaling.
• Ability to quickly understand and integrate into existing data warehouse architecture and workflows.
• Experience creating and supporting automated data validation processes in Snowflake.
• Practical experience with dbt testing.
• Experience working with AI tools.

Responsibilities

• Validate complex data flows and ensure data accuracy within Snowflake data warehouse environments.
• Integrate quickly into existing data testing processes, architecture, and workflows
• Create and support automated data validation processes in Snowflake
• Perform data warehouse testing across Snowflake and AWS environments
• Collaborate with development teams to meet project deadlines
• Support testing activities related to dbt-based data transformations

Skills

QA automation

SQL

Snowflake features

dbt testing

AI tools

Playwright

Python

AWS

Tools

Snowflake

AWS

Job description

As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for:

Expert QA Automation Tester

Responsibilities:

• Validate complex data flows and ensure data accuracy within Snowflake data warehouse environments
• Integrate quickly into existing data testing processes, architecture, and workflows
• Create and support automated data validation processes in Snowflake
• Perform data warehouse testing across Snowflake and AWS environments
• Collaborate with development teams to meet project deadlines
• Support testing activities related to dbt-based data transformations

Requirements:

• Proven experience in QA automation and data warehouse testing with a focus on Snowflake and AWS
• Strong proficiency in SQL for querying, testing, and validating large datasets
• Hands-on experience with Snowflake-specific features including Time Travel, zero-copy cloning, and performance scaling
• Ability to quickly understand and integrate into existing data warehouse architecture and workflows
• Experience creating and supporting automated data validation processes in Snowflake
• Practical experience with dbt testing
• Experience working with AI tools

Nice to have:

• Practical experience with Python
• Familiarity with Playwright

Offer:

• Private medical care
• Co-financing for the sports card
• Constant support of dedicated consultant