Senior Engineer - QA

dunnhumby is the global leader in Customer Data Science empowering businesses everywhere to compete and thrive in the modern datadriven economy. We always put the Customer First.

Our mission: to enable businesses to grow and reimagine themselves by becoming advocates and champions for their Customers. With deep heritage and expertise in retail one of the worlds most competitive markets with a deluge of multidimensional data dunnhumby today enables businesses all over the world across industries to be Customer First.

dunnhumby employs nearly 2500 experts in offices throughout Europe Asia Africa and the Americas working for transformative iconic brands such as Tesco CocaCola Meijer Procter & Gamble and Metro.

Job Overview:

We are seeking a seasoned QA and reliability engineering leader to define and drive our automationfirst quality strategy deeply embedded in our CI/CD workflows and platform engineering culture. This role is core to delivering robust singleclick pipelines highreliability environments and datadriven insights at scale.

As a Senior Engineer youll own strategy and for test automation synthetic data generation load and performance testing resilience testing and environment optimization across platform services.

Key Responsibilities:

• Build and scale automated QA frameworks across services APIs and UI for platformgrade quality
• Drive test enforcement in singleclick CI/CD pipelines using GitHub Actions ArgoCD Jenkins or equivalent
• Define and implement automated test data creation strategies using factories mocks and synthetic data generation tools
• Design and manage ondemand performance and load test environments using tools like k6 JMeter Gatling or Locust
• Architect and orchestrate resilience faultinjection and chaos testing strategies for critical platform components
• Establish performance environment strategy for multitenant scalable systems with dynamic test coverage
• Define and track SLOs SLAs and error budgets collaborating with SRE and observability teams
• Drive shiftleft testing practices and embed automated validations early in the development lifecycle
• Enable selfservice quality tools for developers and platform teams to improve test feedback loops
• Continuously evolve NFR validation strategies to ensure performance stability and availability benchmarks are met.

Skills & Experience Required

• 6 years in QA automation reliability engineering or platform QA roles
• Handson experience with automation frameworks: Playwright Selenium RESTassured or similar
• Proven experience in load stress and chaos testing for cloudnative distributed systems
• Deep experience with test data strategy including synthetic test data mocking and data anonymization
• Expertise with CI/CD tooling and integration of quality gates within pipelines (ArgoCD GitHub Actions Jenkins etc.
• Strong knowledge of cloud environments (GCP Azure) and Kubernetesbased deployments
• Proficient with performance monitoring and observability stacks (Grafana Prometheus New Relic etc.
• Familiarity with contract testing component testing and nonfunctional validation techniques

What you can expect from us

We wont just meet your expectations. Well defy them. So youll enjoy the comprehensive rewards package youd expect from a leading technology company. But also a degree of personal flexibility you might not expect. Plus thoughtful perks like flexible working hours and your birthday off.

Youll also benefit from an investment in cuttingedge technology that reflects our global ambition. But with a nimble smallbusiness feel that gives you the freedom to play experiment and learn.

And we dont just talk about diversity and inclusion. We live it every day with thriving networks including dh Gender Equality Network dh Proud dh Family dh One and dh Thrive as the living proof. We want everyone to have the opportunity to shine and perform at your best throughout our recruitment process. Please let us know how we can make this process work best for you. For an informal and confidential chat please contact to discuss how we can meet your needs.

Our approach to Flexible Working

At dunnhumby we value and respect difference and are committed to building an inclusive culture by creating an environment where you can balance a successful career with your commitments and interests outside of work.

We believe that you will do your best at work if you have a work / life balance. Some roles lend themselves to flexible options more than others so if this is important to you please raise this with your recruiter as we are open to discussing agile working opportunities during the hiring process.

For further information about how we collect and use your personal information please see our Privacy Notice which can be found (here)