Primus Connect
Senior Software Tester
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Senior Software Development Engineer in Test (SDET)
South-East | Hybrid Working
Don't Just Test Software. Engineer Confidence.
A leading data and analytics organisation serving the retail industry is embarking on a significant engineering transformation.
As part of a wider modernisation programme, the business is rebuilding its engineering capability and migrating multiple data products from fragmented legacy SQL and Snowflake implementations onto a modern Databricks and Python-based platform.
To support this journey, we're looking for a highly capable Senior Software Development Engineer in Test (SDET) who can help establish a modern quality engineering capability across software, data and cloud products.
This is not a traditional QA role.
We're seeking someone who sees quality as an engineering discipline, remains hands-on with code, and is excited by the opportunity to use AI, automation and modern engineering practices to transform how quality is delivered across development teams.
You won't simply execute automated tests. You'll help build the capability, influence engineering culture, and enable developers to take greater ownership of quality.
The Opportunity
The current testing function is heavily dependent on manual processes and external contractors. As the organisation scales its engineering capability, quality engineering must evolve alongside it.
As a senior individual contributor, you'll assess the existing approach, introduce modern testing practices, design scalable automation frameworks, and embed quality throughout the software development lifecycle.
You'll work closely with software engineers, data engineers and engineering leadership to establish a quality-first culture while introducing AI-assisted approaches that improve productivity, coverage and confidence.
What You'll Be Doing
- Assess the current testing landscape and identify opportunities for improvement
- Design and implement scalable automation frameworks from the ground up
- Embed automated testing into CI/CD pipelines and engineering workflows
- Establish quality engineering standards, patterns, metrics and best practices
- Introduce AI-assisted development and testing techniques
- Support developers in building and maintaining their own automated tests
- Champion a shift-left quality culture across engineering teams
- Test applications, APIs, integrations, data products and cloud-based platforms
- Contribute hands-on using modern programming languages and automation tools
- Mentor engineers and raise quality engineering capability across the business
- Reduce reliance on manual testing and contractor-led delivery models
- Help ensure quality is built into every stage of the development lifecycle
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What We're Looking For
We're interested in capability and impact rather than simply ticking every box.
You'll likely come from a Senior SDET, Software Engineer in Test, Quality Engineering Lead, Test Automation Lead or similar background and will have remained hands-on throughout your career.
Essential Experience
- Strong programming skills in Python and/or TypeScript
- Experience designing, building or significantly modernising automation frameworks
- Expertise with automation tools such as Playwright, Cypress, PyTest, Jest or Selenium
- Experience integrating automated testing into CI/CD pipelines using Azure DevOps, GitHub Actions, GitLab CI, Jenkins or similar
- Strong understanding of API, integration, end-to-end and system testing approaches
- Experience operating as a quality engineering specialist within modern software teams
- Proven ability to influence developers and improve engineering quality practices
- Practical experience using Generative AI tools such as GitHub Copilot, ChatGPT, Claude or similar to accelerate development and testing
- Strong knowledge of quality engineering principles across the software development lifecycle
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Desirable Experience
- Databricks, Azure or cloud-native platform experience
- Data platform, analytics or data product testing
- AI-powered testing solutions
- Quality engineering metrics and reporting frameworks
- LLM testing or evaluation approaches
- Experience within SaaS, cloud or data-intensive product environments
What Success Looks Like
In your first year, you'll have:
- Established a scalable and maintainable automation strategy
- Increased automated test coverage across critical applications and data products
- Embedded testing into CI/CD and engineering workflows
- Improved engineering ownership of quality
- Introduced AI-assisted testing practices that deliver measurable efficiency gains
- Reduced dependency on manual testing and contractor-led execution
- Created a sustainable quality engineering capability that supports future growth
Why Join?
This is a rare opportunity to join an organisation at a pivotal point in its engineering evolution.
You'll have the freedom to shape quality engineering practices, influence technology decisions, introduce modern AI-enabled testing approaches, and leave a lasting impact on how software and data products are delivered.
If you're a senior SDET who enjoys building capabilities rather than simply maintaining them, we'd love to hear from you.
Working Pattern
Hybrid working with regular attendance at the Surrey office. Candidates should be comfortable collaborating in person with engineering teams as required.
Benefits
- Hybrid and flexible working
- 25 days holiday plus bank holidays
- Birthday leave
- Learning and development support
- Private medical insurance
- Health and wellbeing benefits
- Paid volunteering days
- Enhanced benefits platform
- Additional lifestyle and reward schemes
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