Start Date: ASAP / within 1 month / flexibleWork Model: 100% RemoteType of Cooperation: B2B Contract (160 - 180 PLN/h + VAT)Industry ContextWe are seeking an experienced Test Lead with a strong background in data transformation projects within the insurance industry. The ideal candidate will have a proven track record in delivering robust data quality and testing frameworks for complex insurance data ecosystems sourced from multiple systems.Project Environment Lead testing efforts for a Snowflake-based data platform ingesting data from 15 diverse source systems across 4 project phases. Data modeling includes Staging, Data Vault architecture, and Consumption layers. BI reporting and dashboards are built using Power BI and Sigma for downstream consumption. Tools & Technologies dbt for data build/testing and orchestration with GitHub Actions and Airflow. Python scripting for test automation and data validation. Soda Core for data quality checks. BDD approach using Behave for test scenarios. Integration with Jira (test case management) and Confluence (documentation). DQ Labs for advanced data profiling and monitoring. Responsibilities Drive implementation and continuous refinement of the test strategy, updating as the project evolves. Design and execute comprehensive test plans for data ingestion, transformation, and consumption layers ensuring data completeness, accuracy, and timeliness. Collaborate with data engineers, developers, DevOps, analysts, stewards, and business stakeholders to define test requirements and acceptance criteria. Manage CI/CD pipelines integrating automated test execution via GitHub workflows. Provide leadership and coaching to the testing team on tools, methodologies, and best practices relevant to Snowflake and insurance data domains. Skills & Qualifications Deep understanding of Snowflake data warehousing and ELT processes, including Data Vault modeling (Hub, Links, Satellites). Strong proficiency in SQL, Python scripting, and dbt framework for data testing and transformations. Experience with insurance industry data types, claim and policy systems, and regulatory compliance. Familiarity with modern test management and automation frameworks aligned with Agile and DevOps practices. Ability to adapt and optimize test strategies dynamically to meet evolving project needs. What We Offer B2B contract via Experis Medicover healthcare package Multisport card Access to an e-learning platform Group life insurance