Automation Test Engineer - Lorien Impellam

About the role

Automation Test Engineer Hybrid Working - London - 2 days a week on site. Financial Services Lorien's leading banking client is looking for a skilled Automation Test Engineer with strong experience of with Rest API testing in Java to join our London-based team. The ideal candidate will have strong experience of working with CI/CD Environments, Rest API And Kafka Events. This role is based in London. This role will be Via Umbrella. Working in a Hybrid Model of 2 days a week on site. Experience & Ways of Working Hands-on experience with Continuous Integration and Continuous Delivery (CI/CD) environments. Experience working in TDD and BDD-driven teams, applying Red-Green-Refactor practices. Experience with pair programming and close collaboration with developers. Experience in performance engineering, supporting profiling and tuning to identify performance hotspots and prevent regressions early. Monitor and analyse p95/p99 latency trends to ensure performance stability and help identify regressions introduced by changes. Exposure to accessibility testing and usability considerations, ensuring inclusive and user-friendly experiences. Comfortable working in highly collaborative environments, where development and testing happen alongside the engineering community. Quality Engineering Responsibilities Implement and maintain TDD-aligned unit tests, component/integration tests, and consumer-driven contract tests (PACT) for REST APIs and Kafka events. Curate a minimal, meaningful end-to-end (E2E) test suite for critical user journeys and actively eliminate flaky tests. Plan and execute exploratory testing using charters, and convert valuable, repeatable findings into automated tests. Monitor and continuously improve pipeline health (flakiness, execution time, stability) and overall test effectiveness. Apply systems thinking, a bias for small tests, strong facilitation skills, clear written communication, and pragmatic decision-making. Partner with product and engineering to convert requirements into clear, testable acceptance criteria and executable examples. Integrate security checks (SAST, dependency/SBOM) into CI pipelines and work with teams to drive remediation. Support operational readiness by helping maintain runbooks and observability standards. Coach engineers in XP practices (pairing, refactoring, trunk-based development) and foster a continuous learning culture. Tools & Technologies: Java Testing: JUnit 5, Mockito, AssertJ, PIT (mutation testing), WireMock (where appropriate). BDD: Cucumber, Karate (behaviour-driven and API-focused testing). Frontend Testing: Playwright (thin end-to-end coverage) ReactJS testing library. Contract Testing: PACT (REST APIs and Kafka events), Pact Broker. Performance Testing: k6 or Gatling (performance smoke tests and baseline validation). CI/CD & Delivery: GitLab CI; feature flagging using LaunchDarkly. Guidant, Carbon60, Lorien & SRG - The Impellam Group Portfolio are acting as an Employment Business in relation to this vacancy.

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