Senior API Automation Test Engineer (Playwright)

Mastek Limited; United Kingdom; Remote; GBP 60,000 - 90,000; Full time

Job summary

Mastek Limited is seeking a Sr. Test Engineer to design, develop and execute automated tests for digital and cloud-based applications using Playwright. The role requires 5–9 years of relevant experience and a strong focus on API automation testing.

Responsibilities include building scalable test frameworks, integrating tests into CI/CD pipelines, and mentoring junior team members while ensuring high-quality software delivery in a security-conscious UK environment.

Qualifications

• Proven experience in Quality Engineering with a focus on API automation testing using Playwright API framework.
• Experience in designing, developing and executing automated tests for digital/cloud-based solutions.
• Strong programming/scripting skills (JavaScript/TypeScript, Python) for automation.

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 translate requirements into robust automation test scenarios.
• Implement and enhance test automation frameworks for reusability, scalability, and maintainability.
• Perform API automation testing to validate integrations and data flows across digital and cloud ecosystems.
• Develop comprehensive test design including data strategy, coverage analysis, and risk-based testing approaches.
• Integrate automated tests into CI/CD pipelines for continuous testing and rapid feedback.
• Analyze results, identify defects, and work with teams to resolve them.
• Ensure adherence to quality practices, coding standards, and documentation for automation assets.
• Contribute to test strategy, planning and estimation for projects/releases.
• Mentor junior team members in automation testing and Playwright usage.

Skills

API automation testing

Playwright

JavaScript/TypeScript

Python

CI/CD

RESTful APIs

Cloud platforms

Security awareness

Education

Bachelor’s degree in CS/Engineering

Tools

Playwright

CI/CD tools

Job description

Mastek Limited is seeking a Sr. Test Engineer to design, develop and execute automated tests for digital and cloud-based applications using Playwright. The role requires 5–9 years of relevant experience and a strong focus on API automation testing.

Responsibilities include building scalable test frameworks, integrating tests into CI/CD pipelines, and mentoring junior team members while ensuring high-quality software delivery in a security-conscious UK environment.