5 of 5 Contract API Testing Jobs in the UK

QA Lead - Finance/Payments/Contract Lead QA working on an integral payment system for a major finance company within their payments team. Emphasis on API testing. Role - QA Lead Duration - 6 months with very likely extension Rate - Negotiable Location - Hybrid/Hampshire - 3 days per week in the office Skills - Experience with Java, Junit, Cucumber, Gherkin, Gatling … Xray, Selenium Webdriver, TestNG, Pact Testing, API Testing Frameworks. AWS expertise preferred. Hoppscotch or Postman experience testing APIs Experience identifying test cases using boundary valuation analysis, negative testing, etc. Drives quality discussions around requirements in refinement Payments network experience Exposure to modern software testing practices including but not restricted to Test Automation, Test First … BDD. Experience in DevOps (preferably working with containerized environments) and build tools using Jenkins CI/CD, Gradle, Github, Nexus and SonarQube and other code coverage tools preferred. Experience testing and implementing API service architecture with Spring Boot. 3+ years of Hands-on Test Automation required. GCS is acting as an Employment Business in relation to this vacancy. More ❯

Managers) to define automation requirements and ensure comprehensive test coverage. Propose and implement strategies to improve automation speed, accuracy, and reliability. Participate in new QA initiatives, including AI-driven testing, data validation automation, and continuous integration enhancements. Contribute to establishing best practices, coding standards, and reusable components for automation. Identify and mitigate risks in the automation lifecycle, ensuring consistent … and reliable testing outcomes. Experience Hands-on experience in automation tools such as Selenium, TestNG, JUnit, Cypress, Playwright, or similar . Strong programming/scripting skills in C# or Java Experience with CI/CD pipelines (Jenkins, GitHub Actions, or Azure DevOps). Exposure to API testing tools (Postman, RestAssured, ). Experience in data-driven testing More ❯

to London, Croydon Contract Type: Contract Duration: 6 months initial Sector: Public Sector Active SC Cleared/Security Cleared/Security Clearance/DV Cleared Proven experience in software testing, including at least 2 years in a senior or lead role. Strong knowledge of test methodologies, defect management, and QA best practices. Experience leading test activities across multiple projects … or workstreams. Competence with test management tools (e.g., Jira, TestRail, Azure DevOps). Strong communication, organisation, and leadership skills. Hands-on testing experience across multiple types (functional, regression, integration). Desirable: Exposure to test automation tools (e.g., Selenium, Cypress, Playwright). Experience in API testing and tools such as Postman or REST Assured. Basic understanding of SQL More ❯

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. Required Skills & Experience 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. More ❯

ensuring the accuracy and reliability of critical data systems. Responsibilities - Test Analyst Analyse and reconcile data, with a strong focus on SQL and Postgres JSON/JSONB functions. Perform testing activities across ETL processes and data validation tasks. Validate JSON and Parquet data, ensuring accuracy and adherence to schema standards. Use Postman for API testing and PowerShell More ❯