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Queen Square Recruitment

Data Engineer

Hybrid

Cardiff, United kingdom

Freelance

12-09-2025

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Skills

Communication Python Jira SQL GitLab CI/CD DevOps Jenkins Azure DevOps Test Test Automation Performance Testing Databases Azure cloud platforms Agile GCP CI/CD Pipelines PySpark

Job Specifications

Location: Hybrid - Cardiff, UK (2-3 days on-site per week)

Duration: Initial 6 months (extensions likely)

Rate: Competitive / Market Rates (Inside IR35)

Start Date: ASAP

Engagement: Contract (Inside IR35)

We're looking for a Data Quality Engineer to join a dynamic data platform team supporting cloud-native data transformation projects. This role is ideal for engineers passionate about data quality, automation, and ETL testing in cloud environments.

Key Responsibilities:

Define, build, and maintain test automation frameworks and tools
Collaborate with developers to shift-left testing and integrate into CI/CD pipelines
Own and manage the QA process across sprints and releases
Perform ETL, DWH, and data pipeline testing using tools like SQL, Python, PySpark
Maintain test automation aligned with BDD (Cucumber or similar)
Drive best practices, documentation, and quality strategies across the QA function
Support continuous integration using Azure DevOps, Jenkins, or GitLab
Liaise with internal teams and stakeholders to ensure robust delivery

Ideal Candidate Profile:

Strong hands-on experience in ETL/Data Warehouse Testing using Python or PySpark
Expertise with SQL, relational databases (preferably Oracle)
Experience with cloud platforms, ideally GCP (BigQuery, Dataflow, Cloud Functions)
Proven success implementing automation frameworks and integrating them with pipelines
Familiarity with CI/CD, BDD (Cucumber), and performance testing (JMeter)
Experience working with Agile, JIRA, and test management tools like Zephyr
Excellent communication and stakeholder engagement skills
Experience mentoring QA teams and improving QA maturity

About the Company

We are an independent recruitment consultancy driven to provide an excellent service to our clients and candidates. We take pride in our service and delivery and have built strong, transparent relationships with all our customers. How we can help you: If you're looking to resource an entire project or to fill one strategic position, please get in touch on 020 3887 8700 / 0117 403 8888 or email your requirements to hello@macleanmoore.com - we pride ourselves on our speed of response and are looking forward to hearing from... Know more