Mastek UK
Sr. Test Engineer
Sr. Test Engineer at Mastek UK, based in United Kingdom. This is a permanent role.
- Pay
- Not given by the employer
- Hours and contract
- Permanent · On site
- Location
- United Kingdom
- Closing date
- Sector
- QA Tester
Reference job/Sr_-Test-Engineer/60647344
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Sr. Test Engineer – Quality Engineering (API Automation, Playwright)
Expected Work ExperienceCandidate must have relevant experience of 5 to 9 Years.
Job LocationUnited Kingdom
Job SummarySr. Test Engineer responsible for designing, developing, and executing automated tests for digital applications and cloud-based solutions using Playwright API framework and other automation tools, ensuring high-quality, reliable, and scalable software delivery. Candidate must have relevant experience of 5 to 9 Years.
Key Responsibilities• Design, develop, and maintain automated API test scripts using Playwright API framework for digital and cloud-based applications.
• Collaborate with developers, architects, and product owners to understand functional and non-functional requirements and translate them into robust automation test scenarios.
• Implement and enhance test automation frameworks, focusing on reusability, scalability, and maintainability.
• Perform API automation testing to validate integrations, data flows, and service reliability across digital application and cloud engineering ecosystems.
• Develop comprehensive test design for automation, including test data strategy, coverage analysis, and risk-based testing approaches.
• Integrate automated tests into CI/CD pipelines to enable continuous testing and rapid feedback.
• Analyze test results, identify defects, and work closely with engineering teams to ensure timely resolution.
• Ensure adherence to quality engineering best practices, coding standards, and documentation for automation assets.
• Contribute to test strategy, test planning, and estimation activities for projects and releases.
• Mentor junior team members in automation testing, Playwright usage, and quality engineering practices.
• Strong understanding of digital application and cloud engineering concepts, including microservices and API-first architectures.
• Ability to design modular, reusable, and maintainable automation components.
• Experience working in Agile/Scrum environments with close collaboration across cross-functional teams.
• Strong analytical and problem-solving skills with a focus on quality and continuous improvement.
• Effective communication skills to articulate test strategies, risks, and results to technical and non-technical stakeholders.
• Proven experience in Quality Engineering with a focus on API automation testing using Playwright API framework.
• Hands-on experience in automation testing and test design for automation, including creation of robust test cases and suites.
• Proficiency in at least one programming or scripting language commonly used for automation (e.g., JavaScript/TypeScript, Python, or similar).
• Experience with CI/CD tools and integrating automated tests into build and deployment pipelines.
• Familiarity with RESTful APIs, JSON, and related testing tools and techniques.
• Understanding of defect management, test management tools, and reporting mechanisms.
• Exposure to cloud platforms and digital application ecosystems is preferred.
• Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• Security-conscious mindset with the ability to work in environments requiring strict compliance and governance.
Note:This role requires UK Security Clearance (SC) and eligibility.
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Reference: job/Sr_-Test-Engineer/60647344 · Posted 1 week ago · Closes 17 Nov 2026 · Listed via Mastek UK
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