We're recruiting for a Test Automation Engineer to join our collaborative digital team, supporting the delivery of public services that matter to the people who rely on them.
As a Test Automation Engineer, you will design, build and maintain automated test suites in Playwright and .NET (C#), and integrate them into CI/CD pipelines so every change ships with fast, trusted feedback. You will work alongside developers from refinement onwards, advocating for early testing involvement and helping the team build quality in rather than check for it at the end.
This role requires hands-on technical skill, a pragmatic view of what to automate and where, and the ability to explain risk clearly to technical and non-technical colleagues.
The community
You will be part of a supportive engineering community, working with developers, product managers, user researchers, designers, business analysts and delivery managers to embed quality into digital services.
We champion continuous learning, open communication and agile ways of working. We believe in building quality into our products, systems and services, and that quality is everyone's responsibility.
Key responsibilities
- Design, build and maintain end-to-end, API and component test suites in Playwright for .NET (C#) against services built on ASP.NET Core.
- Integrate automated tests into CI/CD pipelines (GitHub Actions or Azure DevOps), with parallel runs, clear reporting and reliable results on every pull request.
- Work with developers to shift testing left: testable designs, test-first conversations at refinement, and unit and integration coverage in the codebase.
- Keep the automated suite trusted by driving down flaky tests and making run times and failure rates visible to the team.
- Implement contract testing (Pact) to protect integrations between services and teams.
- Contribute to the test strategy and assurance evidence needed for service assessments and go-live decisions.
- Highlight testing risks and dependencies early, and communicate them clearly to the team and stakeholders.
- Share automation practice with testers and developers across the organisation, and contribute to our quality engineering standards.
Specifications
- Proven experience building and maintaining test automation for web applications, including hands-on Playwright experience.
- Strong C# and .NET skills: able to read production code, write clean maintainable test code and review others' pull requests.
- Experience integrating automated tests into CI/CD pipelines and handling parallelism, retries, reporting and environment setup.
- Working knowledge of Git and modern branching workflows.
- Understanding of functional and non-functional testing techniques and when to apply them.
- Strong problem-solving skills and attention to detail.
- Ability to communicate test results and risk clearly to technical and non-technical colleagues.
- Eligible to work in the UK and to obtain BPSS clearance.
- Contract testing with Pact or similar.
- Experience with cloud-based test environments, for example Azure, AWS, Docker or Kubernetes.
- Accessibility testing tools such as axe or Pa11y.
- Performance testing tools such as k6 or JMeter.
- Experience on UK government digital services and the GDS Service Standard.
- Playwright in TypeScript alongside .NET.
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Test Automation Engineer (Playwright / .NET) in Dartford employer: Goaco
At Goaco, we pride ourselves on fostering a collaborative and innovative work culture that empowers our employees to thrive. As a Lead Quality Engineer, you will not only have the opportunity to shape our QA strategy but also benefit from continuous professional development and mentorship in a supportive environment. Located at the heart of the digital transformation landscape, we offer a unique chance to work on impactful projects for public sector and enterprise clients, ensuring your contributions make a meaningful difference.
