Telecommute Software Development Testing Engineer (London)

Join us in Advancing the Environmental Global Impact within the Rail Industry. For nearly 40 years, ZTR has designed, developed and released products that have a positive environmental impact within the Locomotive Industry. Planning for an environmentally sustainable future means taking action today in preparation for tomorrow. As the Software QA Engineer, you will be working to ensure the quality and reliability of our cloud-native applications in AWS cloud environments. The successful candidate will ideally have experience in testing in IoT-enabled systems and or AWS IoT services in order to ensure our API testing, UI validation and test automation in Playwright is optimized. Develop and execute test strategies, test plans, and test cases for AWS-hosted applications Perform comprehensive API testing for cloud services (functional, regression, integration, end to end tests and negative tests) Design, develop, and maintain automation frameworks using Playwright Validate end-to-end workflows involving UI, APIs, and AWS backend services Integrate automated test suites into CI/CD pipelines (AWS CodePipeline, GitHub Actions, Jenkins, etc.) Validate deployments on AWS environments including DEV, QA, and PROD Monitor and analyze test results, log defects, and collaborate closely with developers and DevOps teams Ensure test coverage for high availability, scalability, and fault tolerance in AWS Validate IoT data flows, device communication, and cloud ingestion pipelines 5+ years of experience in QA Engineering / Test Automation Strong experience testing applications deployed on AWS Solid understanding of API testing concepts (REST, methods, status codes, JSON) Hands-on automation experience using Playwright (UI and API) Good proficiency in JavaScript or TypeScript Working knowledge of Python for API testing, data validation, and test utilities Experienced with AWS services Familiarity with CI/CD pipelines in cloud environments Working experience with AWS IoT Core, IoT Devices or sensor-based platforms Understanding of performance, security, and resilience testing Experience with test data management and workplace configuration in cloud setups ZTR Control Systems provides accommodations for applicants with disabilities throughout the recruitment process. The annual base salary is determined through comprehensive market research and considers factors including qualifications, skills, education, relevant experience, work location, internal equity, and alignment with local and industry market data. We do not use AI tools when screening and evaluating candidates throughout our recruitment processes. Please be advised that, due to a large volume of applications, we will only contact candidates that we decide to proceed with via email or phone. # Apply on Kit Job: kitjob.ca/job/2pr9ir