> Markdown version of [/jobs/ext/3838044-senior-software-test-engineer-sdet-london-permanent](https://www.wearedevelopers.com/jobs/ext/3838044-senior-software-test-engineer-sdet-london-permanent). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Test Engineer (SDET) - London - Permanent - **Company:** Bond Williams Professional Recruitment - **Location:** London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Testing (Software), Java (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Application Testing, Automation of Tests, Microsoft Azure, C Sharp (Programming Language), Cloud Engineering, Software Quality, Collaborative Software, Continuous Integration, DevOps, Github, Python (Programming Language), Systems Integration, TypeScript, Performance Testing, Large Language Models, Software Troubleshooting, Integration Tests, Kubernetes, Playwright, Software Coding, Api Management, Docker, SDET, Jenkins, Microservices - **Published:** October 20, 2026 - **Apply:** https://www.reed.co.uk/jobs/senior-software-test-engineer-sdet-london-permanent/57476171 ## About the Role * Commercial experience as an SDET, Software Test Engineer or Automation Engineer * Strong experience with Playwright and TypeScript * Experience building automation frameworks from scratch * API testing experience * CI/CD experience (Azure DevOps, GitHub Actions or Jenkins) * Strong troubleshooting and problem-solving skills Desirable: * AWS or Azure * Python, Java or C# * Contract testing * Docker/Kubernetes * Performance testing * AI/LLM application testing This is an excellent opportunity for someone who enjoys solving technical challenges, writing code and building scalable quality engineering solutions within a collaborative software engineering team. Bond Williams Professional Recruitment are an equal opportunity employer and operate as an Employment Business and Recruitment Agency Skills * Senior Software Test Engineer (SDET) | Playwright | TypeScript | Automation Frameworks | CI/CD ## Description We're seeking a hands-on Senior Software Test Engineer (SDET) to join a growing technology team developing modern software products. This is an engineering-led role focused on building and maintaining automated testing solutions rather than traditional manual QA. You'll work closely with developers, product teams and DevOps engineers to improve software quality, automation coverage and delivery confidence., * Designing and developing automated test frameworks using Playwright and TypeScript * Automating UI, API and integration testing * Integrating testing into CI/CD pipelines * Supporting quality across cloud-native and microservices-based applications * Collaborating with developers to embed quality throughout the development lifecycle