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Senior Test Automation Engineer (Data)

Sanderson
Cardiff, Cymru / Wales, CF10 2AF, United Kingdom
2 weeks ago
£60,000 – £72,000 pa
Applications closed

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Salary

£60,000 – £72,000 pa

Job Type
Permanent
Work Pattern
Full-time
Work Location
On-site
Seniority
Senior
Education
Degree
Posted
30 Apr 2026 (2 weeks ago)
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Senior Test Automation Engineer (Data Platform)Overview

We're looking for aSenior Test Automation Engineer to join a growing data-focused engineering capability, working within a newly formed agile squad. This is a senior individual contributor role, offering technical ownership and influence across engineering practices, without direct line management responsibilities.

Key Responsibilities
  • Design, develop, and maintain robusttest automation solutions, primarily using Python
  • Contribute todata pipeline and ETL testing strategies, ensuring high data quality and reliability
  • Work within anagile squad, collaborating closely with engineers, analysts, and stakeholders
  • Advocate for and implementnon-functional testing (e.g. performance, scalability), promoting a shift-left approach
  • Support and mentor junior engineers, providing technical guidance across squads
  • Contribute toCI/CD pipelines, improving automation integration and delivery efficiency
  • Engage with senior stakeholders, influencing technical decisions and best practices
  • Assist in evolving legacy automation frameworks toward modern solutions
Required Skills & Experience
  • StrongPython engineering experience, specifically for test automation
  • Solid background inJava development
  • Experience working withCI/CD pipelines (Azure preferred)
  • Hands-on experience withETL processes and data workflows
  • Cloud platform experience (Azure, GCP, or AWS)
  • Proven experience innon-functional testing, including performance testing (e.g. JMeter or similar tools)
  • Experience working inagile delivery environments
  • Ability tomentor and support junior team members
  • Excellentstakeholder engagement and influencing skills
Desirable Experience
  • Experience withAzure or GCP (preferred over AWS)
  • Exposure todata pipeline development
  • Familiarity withSelenium (legacy frameworks)
  • Experience withBDD tools such as Cucumber
  • Experience working withdistributed teams (e.g. UK/India collaboration)
  • Previous experience coaching or mentoring engineers

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason,please let us know when you apply or talk to the recruiters directly so we can support you.

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