Job Title: Contract Senior QA Engineer - Data Analysis
Contract Length: 12 Months (with potential extension)
Day Rate: Up to £475 per day (Inside IR35)
Start Date: ASAP
About the Role
I'm seeking a highly skilled Senior QA Engineer with strong experience in data migration, analysis, quality and validation to join an outstanding flagship digital team on a contract basis. You'll play a key role in ensuring the accuracy, reliability, and performance of their data pipelines and analytics products.
This is an excellent opportunity to work with a cross-functional team of engineers, analysts, and data scientists in a fast-paced environment where quality and precision are critical.
Key Responsibilities
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Design, develop, and execute test plans for ETL pipelines, data transformations, and analytics products
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Develop automated tests and validation tools for data integrity, accuracy, completeness, and performance
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Identify, document, and track defects in large-scale data systems
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Work closely with data engineers, product managers, and business stakeholders to define test requirements
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Conduct root cause analysis of data issues and drive resolution
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Ensure compliance with data governance and quality standards
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Contribute to CI/CD processes with automated data testing
Requirements
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5+ years of experience in QA or Test Engineering, with a focus on data products or platforms
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Strong knowledge of SQL and experience with large-scale relational and/or NoSQL databases
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Experience testing data pipelines (ETL/ELT), preferably with tools like Apache Airflow, dbt, Spark, or similar
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Proficiency in Python or similar scripting language for test automation
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Experience with cloud platforms (AWS, GCP, or Azure), especially in data-related services
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Familiarity with data warehousing concepts (e.g., Snowflake, BigQuery, Redshift)
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Strong understanding of data governance, data profiling, and quality metrics
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Excellent problem-solving and communication skills
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Ability to work independently and as part of a distributed team
Nice to Have
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