iO Associates
Test Engineer
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About Our Client
We are recruiting on behalf of our client for a skilled Test Engineer with a focus on test automation and data validation to support data and cloud transformation programmes. This role is ideal for an engineer with experience in ETL testing, automation practices, and cloud-based data platforms.
You will contribute to the design, development, and improvement of automated testing solutions, helping to ensure data quality, reliability, and alignment with client objectives.
Key Responsibilities
- Design and implement automated tests for data pipelines, ETL processes, and cloud-based platforms
- Perform data validation activities, ensuring accuracy, completeness, and integrity across datasets
- Develop and maintain test automation using Python and pytest, with exposure to TDD and BDD (Behave) approaches
- Create and manage test data to support ETL and data warehousing validation
- Contribute to improving automation frameworks to enhance efficiency and reusability
- Collaborate with engineering teams to support shift-left testing practices
- Participate in peer reviews, code reviews, and CI/CD processes
- Support cloud-based solutions, working with platforms such as AWS and Azure, and technologies like Kafka
- Identify opportunities for reuse and standardisation within testing approaches
- Help ensure testing aligns with client objectives and delivery goals
- Contribute to knowledge sharing within teams to support ongoing capability development
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Skills & Experience
Essential
- Experience in test automation for data and ETL processes
- Understanding of data validation techniques and working with datasets
- Proficiency in SQL and experience with relational databases (e.g. Oracle or similar)
- Hands-on experience with Python and frameworks such as pytest
- Exposure to BDD (Behave) and/or TDD approaches
- Knowledge of ETL processes, data warehousing concepts, and tools such as PySpark (or similar)
- Experience working with cloud platforms such as AWS and/or Azure
- Familiarity with event-driven or data streaming technologies (e.g. Kafka)
- Understanding of CI/CD pipelines, version control, and modern development practices
- Experience contributing to test automation frameworks
- Active SC clearance is required for this role, or candidates must be eligible to obtain it.
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Desirable
- Experience working in government or regulated environments
- Exposure to large-scale data transformation programmes
- Awareness of aligning engineering work to organisational strategies
- Knowledge of data architecture patterns and testing approaches
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