Senior Software Engineer in Test (Senior SDET) – Department: Omnichannel Experience (OCX).
We offer hybrid working, with occasional presence at one of our Holland & Barrett offices in London or Nuneaton for team collaboration, key meetings and events (typically once per quarter).
About The Role
We’re looking for a Senior Software Engineer in Test (SDET) to help shape and elevate quality engineering across our Omnichannel Experience (OCX) domain. This role goes beyond traditional testing. You’ll play a key part in improving how we think about quality across multiple teams, introducing better practices, strengthening automation, and enabling teams to deliver high‑quality software with confidence.
What you’ll be doing
* Lead and evolve quality engineering practices across multiple product teams.
* Design, build and improve automated testing frameworks (UI, API and service‑level).
* Expand testing strategies beyond end‑to‑end into microservices and system‑level validation.
* Drive a shift‑left approach to quality, embedding testing earlier in the development lifecycle.
* Contribute to CI/CD pipelines, ensuring quality is integrated into delivery workflows.
* Improve observability and monitoring to support proactive quality and faster issue resolution.
* Partner with engineers, product and QA to define and implement best practices.
* Identify and remove blockers, enabling teams to deliver efficiently.
* Influence and guide teams on modern testing approaches and tooling.
What you’ll bring
* Strong experience in software testing and quality engineering within modern engineering environments.
* Proven experience building and owning automation frameworks from scratch.
* Strong coding skills (e.g., Java, Kotlin, JavaScript or similar).
* Experience testing across multiple layers – UI, API, and microservices.
* Practical experience with CI/CD pipelines and integrating automated testing into delivery.
* Experience working with distributed systems and modern architectures.
* A strong understanding of quality beyond functional testing (e.g., performance, resilience, observability).
* Experience influencing and driving initiatives across multiple teams.
* A proactive, problem‑solving mindset with the ability to unblock others.
Ways of working
* Agile environment (continuously evolving and improving).
* Fully remote working supported, with optional office collaboration.
* Flexibility in working hours, aligned broadly to UK time zones.
What success looks like
* Teams adopt stronger, more consistent quality engineering practices.
* Automation is scalable, reliable and embedded across the development lifecycle.
* Quality is considered early, not just at the end of delivery.
* Engineers are empowered with better tools, frameworks and guidance.
* Delivery is faster, more stable and more predictable.
Key considerations (screening focus)
* Demonstrated technical leadership (without relying on people management).
* Experience building and evolving automation frameworks.
* Evidence of improving quality beyond traditional E2E/API testing.
* Balanced automation approach (not manual‑heavy).
* Experience influencing multiple teams and driving change.
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