Senior Automation Tester – Hybrid/Remote for Government

Mastek; Reading; Hybrid; GBP 65,000 - 90,000; Full time

Job summary

Mastek is seeking a Senior Automation Tester to design, develop and maintain robust automated testing solutions across UI and API layers within a large government transformation programme.

You will collaborate with developers, BAs, product owners and fellow testers to embed quality throughout the SDLC, build 90%+ automation coverage, and contribute to CI/CD pipelines using Jenkins/Concourse in a hybrid UK-based role.

Qualifications

• 7+ years hands-on automation testing experience.
• Proficient in Java-based UI and API testing.
• Strong experience with REST Assured, Cucumber BDD, and Serenity.
• Experience building and maintaining automation frameworks from scratch.
• Solid knowledge of CI/CD, Docker/Kubernetes, and SQL testing.
• Public Sector or Government programme experience.

Responsibilities

• Design, develop, and maintain automated test frameworks and test scripts for UI and API testing.
• Build and execute automated regression test suites with a target automation coverage of 90%+.
• Create and manage test data across multiple environments.
• Develop and maintain API automation using REST Assured.
• Implement and enhance Selenium-based automation frameworks using Java.
• Work with BDD methodologies using Cucumber and Serenity BDD.
• Integrate automated tests into CI/CD pipelines using Jenkins and/or Concourse.
• Perform functional, integration, system, and regression testing.
• Analyse business requirements, user stories, and technical documentation to create comprehensive test scenarios.
• Log, track, and manage defects using Jira.
• Execute SQL-based database validation and backend testing activities.
• Collaborate with cross-functional Agile teams to ensure quality throughout the delivery lifecycle.
• Participate in sprint planning, backlog refinement, daily stand‑ups, and retrospectives.
• Produce test reports, test evidence, and quality metrics for stakeholders.
• Identify and implement test process improvements and automation best practices.
• Mentor junior testers and contribute to the automation testing community within the organisation.

Job description

Mastek is seeking a Senior Automation Tester to design, develop and maintain robust automated testing solutions across UI and API layers within a large government transformation programme.

You will collaborate with developers, BAs, product owners and fellow testers to embed quality throughout the SDLC, build 90%+ automation coverage, and contribute to CI/CD pipelines using Jenkins/Concourse in a hybrid UK-based role.