Test Lead – Data Transformation

Start Date: ASAP / within 1 month / flexible

Work Model: 100% Remote

Type of Cooperation: B2B Contract (160 - 180 PLN/h + VAT)

Industry Context

We 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