Senior Test Engineer
Location: London, UK
Type: Full-time
Department: Technology
Job Summary
eClerx is seeking a QA Tester / Senior QA Engineer to support a leading global financial institution on a multi-year transformation journey. The role will be part of the eClerx global team (NY, London) responsible for validating legacy modernization, platform re-engineering, and AI-enabled software delivery initiatives across critical enterprise applications. The ideal candidate is a hands‑on QA professional with strong experience in functional testing, test automation, API validation, modernization testing of an AI-assisted legacy platform migration. This role is ideal for someone who can ensure quality across complex systems while using AI tools to improve test coverage, speed, and release confidence.
Key Responsibilities
* Work with business, development, and product teams to understand requirements and define AI test coverage.
* Validate legacy system modernization and ensure functional parity after migration or refactoring.
* Design, execute, and maintain functional, regression, integration, API, and end-to-end test cases to ensure AI‑assisted development is accurate.
* Leverage AI-enabled testing tools to accelerate test case generation, test design, defect analysis, and test documentation.
* Build and maintain test automation frameworks for web, API, and backend applications.
* Validate microservices, APIs, event-driven flows, and data integrations across modernized platforms.
* Support testing of AI/LLM-enabled code and application development, including output validation, workflow testing, and edge-case analysis.
* Partner with developers and DevOps teams to integrate testing into CI/CD pipelines.
* Identify, log, track, and support resolution of defects through the full testing lifecycle.
* Document test results, quality risks, and release readiness clearly for technical and non-technical stakeholders.
Eligibility Requirements
* 5+ years of QA experience in enterprise application testing, including functional and automation testing.
* Strong experience across the full SDLC/STLC, with exposure to Agile delivery models.
* Hands‑on experience using AI-enabled testing tools for test case generation, test optimization, defect analysis, and test documentation.
* Experience testing web applications, APIs, integrations, and backend systems in complex enterprise environments.
* Strong knowledge of test automation tools/frameworks such as Selenium, Playwright, Cypress, Rest Assured, SonarQube or similar.
* Experience validating legacy modernization or transformation programs, including regression and integration testing.
* Hands‑on experience in creating testing strategy for spec completeness, business rules validations, API contract testing, data model validations, code quality and mutation testing.
* Good understanding of microservices, REST APIs, databases, and event-driven architectures.
* Experience with test management, defect tracking, and CI/CD tools such as JIRA, Azure DevOps, Jenkins, or similar.
* Familiarity with .NET, Python, Java, or JavaScript for automation scripting is preferred.
* Financial services experience is preferred; experience testing AI/LLM-based solutions is a strong plus.
Equal Opportunity Employer
eClerx is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability or protected veteran status, or any other legally protected basis, in accordance with applicable law. We are also committed to protecting and safeguarding your personal data. Please find our policy here.
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