Senior SDET - Java in London - Robert Walters

We're seeking an experienced Senior Software Development Engineer in Test (SDET) to join a high-performing technology team requiring Security Clearance. This role involves building and maintaining robust automation frameworks, contributing to high-quality software delivery, and promoting best practices in test automation and agile development.

Key Responsibilities

• Collaborate with product and development teams to define acceptance criteria and test coverage for each story.

• Design, build, and maintain automated test frameworks using Java.

• Perform exploratory and automated testing across all phases of development.

• Work with developers to create and test stubs, mocks, and integration points.

• Ensure traceability and visibility of test progress and quality metrics.

• Contribute to Agile ceremonies, retrospectives, and planning sessions, championing test best practices.

• Provide test assurance against defined acceptance and non-functional requirements.

• Support CI/CD integration and continuous improvement of testing processes.

• 5+ years' experience as an SDET or Automation Engineer.

• Strong knowledge of Java (OOP, SOLID principles) and ability to build coded test frameworks.

• Experience with RESTAssured and API Testing.

• Familiarity with SQL / RDBMS and Integration Testing.

• Hands-on with Git / GitLab, Gradle, Jenkins, and SonarQube.

• Experience with JUnit, Cucumber (TDD/BDD), and Postman for debugging and exploratory testing.

• Strong understanding of Agile methodologies and CI/CD pipelines.

• Excellent communication skills and ability to work autonomously.

• Contract Testing experience using Pact framework.

• Knowledge of Spring Framework and WireMock.

• Familiarity with Linux command line and scripting.

• Experience with mocks, stubs, DevOps tooling, and Agile test strategy design.

Robert Walters Operations Limited is an employment business and employment agency and welcomes applications from all candidates