MCS Group has an exclusive opportunity for a Senior Test Engineer with solid automation experience to join a fast-growing tech start-up which is entering its scale-up phase. With strong investment and a product gaining real traction in industry, they are expanding the team and looking for a Senior Automated Test Engineer to help build out automation across their testing function. As Senior Test Engineer, you will be design, build, and maintain automated test frameworks across the full software stack - including APIs, web applications, and mobile platforms. Working closely with developers, designers, and product managers, you'll play an integral part in ensuring software quality throughout the development life-cycle. You will get involved at each stage of the testing cycle- from writing robust test plans to debugging complex issues. The Role Build and manage automated testing frameworks for web, mobile, API, and performance testing Design and execute effective test strategies and test plans Identify and report bugs clearly, working closely with engineering teams to resolve them Investigate and troubleshoot technical issues through debugging and analysis Run and evaluate manual and automated test cases Conduct post-release and post-implementation testing Maintain clear technical documentation for testing processes Collaborate with cross-functional teams to ensure a consistent, high-quality product experience The Person As this is a Senior position, substantial prior experience working in a hands-on Test Automation position is essential. You will have demonstrated experience building automated test frameworks for web and API testing. Familiarity with tools like Cypress, Playwright, Appium, or similar. In terms of the tech, our client works with TypeScript, Angular 18, PHP (Symfony), REST APIs, Node.js (Lambda), MySQL (Aurora), AWS, Kubernetes, Docker, with Kotlin/Java and Swift for mobile. Experience across a combination of these technologies, or a demonstrated ability to pick up new technologies quickly, is required. Ideally you will have experience testing mobile apps (iOS and Android) You will have a clear understanding of CI/CD pipelines and how testing fits into modern work-flows Comfortable working with acceptance criteria, ideally with Gherkin or similar syntax Strong communication skills and a proactive, problem-solving mindset Experience with manual testing processes and defect reporting A relevant degree in Computer Science or related field A competitive salary and package is available, depending on experience. To speak in absolute confidence about this opportunity, please send an up to date CV via the link provided or contact Jill Johnston, Head of IT Contracts, at MCS Group Even if this position is not right for you, we may have others that are. Please visit MCS Group to view a wide selection of our current and exclusive roles All conversations will be treated in the strictest of confidence. Skills: automation qa engineer software testing software engineer in test software tester SDET