Data Test Lead
Link Group
⚲ Warszawa, Wrocław, Kraków, Poznań, Gdańsk
135 - 155 PLN/h netto (B2B)
Wymagania
- Snowflake
- SQL
- Python
Opis stanowiska
We are looking for an experienced Test Lead to join a dynamic international project focused on data transformation and testing. Key Responsibilities • Lead and coordinate a virtual, multi-cultural testing team, including testers from multiple locations. • Drive the implementation and refinement of the test strategy, ensuring data completeness, accuracy, and timeliness across ingestion, transformation, and consumption layers. • Design and execute comprehensive test plans, aligning with business requirements and acceptance criteria. • Collaborate closely with data engineers, developers, DevOps, data analysts, and business stakeholders to define testing requirements. • Manage CI/CD pipelines, integrating automated test execution using GitHub workflows. • Coach and mentor the testing team on tools, methodologies, and best practices relevant to Snowflake and data domains. Required Skills and Experience • Strong expertise in Snowflake data warehousing and ELT processes, including Data Vault modeling (Hub, Links, Satellites). • Hands-on experience with dbt automation, Python scripting, and SQL for data testing and transformations. • Experience with modern test management and automation frameworks, aligned with Agile and DevOps practices. • Ability to adapt and optimize existing test strategies to meet evolving project requirements. Tools & Technologies • dbt for data build/testing • Python for scripting and automation • Soda Core for data quality checks • BDD / Behave for scenario-based testing • GitHub Actions and Airflow for CI/CD and orchestration • Jira and Confluence for test case management and documentation • DQ Labs for advanced data profiling and monitoring • Power BI / Sigma for BI reporting and dashboards Project Environment • Remote, international team • Complex data ecosystem integrating 15+ source systems • Multi-phase project (Staging, Data Vault, Consumption layers) This is an exciting opportunity for a hands-on Test Lead to take ownership of data quality and testing frameworks in a large-scale, international data transformation project.