Test Engineer – Data & Analytics

About the role

BI3 Technologies is seeking an experienced Test Engineer – Data & Analytics to join a major enterprise Data & Analytics program within the financial services sector. This is a hands-on testing role focused on ensuring the quality, accuracy and reliability of data across a modern cloud-based data platform. You will work closely with Data Engineers, Analysts, Developers, Product Owners and business stakeholders to validate data pipelines, transformations, integrations and analytical outputs. The environment is primarily Microsoft Azure and Snowflake, so we are looking for someone with strong SQL skills and practical experience testing enterprise data platforms.

Key responsibilities

• Design and execute test plans, test cases and test scenarios for data and analytics solutions.

• Perform data validation, reconciliation and data quality testing across source, staging and target systems.

• Test ETL/ELT pipelines and complex data transformations.

• Write advanced SQL queries to validate data accuracy and completeness.

• Test solutions across Snowflake and Azure-based data environments.

• Perform integration, regression, system and end-to-end testing.

• Validate APIs and data integrations where required.

• Identify, document and manage defects through to resolution.

• Support UAT, release readiness and production validation.

• Work closely with Data Engineers to understand transformation logic and identify data-quality issues.

About you

• 5–10 years' experience in software, data or ETL testing.

• Strong hands-on SQL skills – essential.

• Experience testing data warehouses, data platforms and ETL/ELT pipelines.

• Practical experience with Snowflake.

• Experience working within the Microsoft Azure ecosystem.

• Strong understanding of data reconciliation, transformation and data-quality testing.

• Experience with test management and defect tracking tools such as Jira, Azure DevOps or similar.

• Understanding of Agile delivery methodologies.

• Strong analytical and problem-solving skills.

• Excellent communication skills and ability to work with technical and business stakeholders.

About us

BI3 Technologies is a specialist Data and AI consultancy. You will work alongside experienced data professionals on a large-scale enterprise data platform.