QA Tester

QA Test Analyst - Migration Execution (Cards / Payments) A leading global financial services organisation is seeking an experienced QA Test Analyst to join a large-scale issuer processor migration programme within a high-volume cards and payments environment. This role is focused on hands-on execution of migration testing , validating system behaviour, ensuring data integrity , and supporting reconciliation across both legacy and new processing platforms. The programme operates within a structured testing environment , and the team is looking for practical testers who actively execute tests and investigate results , rather than purely coordinating or oversight-focused profiles. You will work closely with Data Migration specialists, Processing SMEs, and engineering teams to ensure that migration outcomes are accurate, reconciled, and production ready. Key Responsibilities Execute hands-on migration and system testing across issuer processing platforms Develop and execute test cases, Job Description QA Tester - Fintech Startup (Contract) London office with Hybrid working 3 Months initial contract PAying £150-£200 per day (London) Fast-growing fintech startup looking for a hands-on QA Tester with a strong payments background. You'll work directly..., Job Description We are partnering with a global pharmaceutical organisation seeking an experienced Quality Assurance Specialist to oversee external manufacturing quality activities across commercial bulk and finished drug products. This role is central to ensuring..., Are you the kind of QA engineer who doesn't wait for issues to surface , you hunt them down before they ever get close to production? Do you love automation, modern testing practices, and shaping quality across an engineering organisation, not just writing tests? This one..., QA ENGINEER LONDON/HYBRID UP TO £60,000 This is an exciting opportunity to join a tech-driven organisation that is reinventing how individuals understand and manage their finances. You will play a key role in shaping a modern, automation-first quality function and work..., QA Tester - Fintech Startup (Contract) London office with Hybrid working 3 Months initial contract PAying £150-£200 per day (London) Fast-growing fintech startup looking for a hands-on QA Tester with a strong payments background . You'll work directly with the CTO, testing..., Audit & Risk Recruitment are delighted to be partnering with a Top 10 firm in recruiting an experienced Manager to join their growing Risk Advisory team in London. You will be a technically excellent individual with expertise in quality assurance, procurement, system...

and test scripts covering migration scenarios and distributed system behaviour Validate data migration outcomes , including data integrity, reconciliation, and parallel run results Perform API-level testing across microservices and integration layers Validate event-driven processing flows , including Kafka-based messaging Execute and support Java-based automated and functional tests using standard testing frameworks Investigate data discrepancies, reconciliation failures, and migration defects Log, track, and retest defects, working closely with engineering teams to support root cause analysis Support high-volume test cycles across distributed systems Execute tests within CI/CD pipelines and support test environment readiness Skills & Experience Required Strong hands-on QA testing experience within complex technology environments Experience supporting system or data migration testing Experience with data validation, reconciliation, and data integrity testing Comfortable testing high-volume distributed systems and microservice architectures Experience executing tests in Java-based systems Hands-on experience with JUnit, Cucumber, or similar Java testing frameworks Experience testing REST / APIs Exposure to event-driven architectures , ideally Kafka Familiarity with CI/CD environments such as Jenkins or GitHub Actions Strong analytical and defect investigation skills Desirable Experience Experience within cards, payments, or financial services platforms Familiarity with Kafka event streams and Apache Avro message formats Experience working in asynchronous, event-driven system architectures Exposure to performance or high-volume testing Awareness of containerised environments (e.g. Kubernetes) Important CV Requirement Candidates must clearly describe in their CV: Testing technologies they have personally used Specific tests they have executed (not just coordinated) Examples of migration, data validation, or reconciliation testing Technologies used when executing tests (e.g. Java, APIs, Kafka, CI/CD) Contract Details Duration: 12 months Rate: £400-£450 per day (Inside IR35) Location: Hybrid working - Central London Similar jobs

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