Top QA Jobs in London

Design and build test infrastructure, automation, and tooling to validate ML software stacks and hardware; shape test architecture across CI pipelines, frameworks, simulators, emulators, and large ML workloads; mentor engineers and own complex validation projects.

Lead QA strategy for the sanctions domain: manage a high-performing QA team, set sampling and scorecard methodology, ensure KPI delivery, validate complex sanctions outcomes, drive continuous improvement, and partner with stakeholders to translate QA data into actionable insights.

Lead a global QA team covering AML/KYC/Transaction Monitoring, underwriting and fraud risk. Design and run a comprehensive QA framework, perform monthly testing, identify risks and root causes, report outcomes to leadership, track remediation to closure, and provide data-driven insights to support operational excellence and projects.

As a Staff Software Engineer (ML QA), you'll design and maintain testing infrastructure for the ML software stack, focusing on automation, software quality, and mentoring junior engineers in a collaborative environment.

The QA Engineer will own quality for customer-facing features across web, mobile, APIs and backend services. Responsibilities include manual, exploratory, smoke and regression testing; creating test plans and defect reports; investigating issues with tools like Postman and browser dev tools; supporting production incidents; and identifying opportunities to automate tests using frameworks such as Playwright, Selenium or Appium. The role participates in agile ceremonies and advocates for shift-left practices and improved QA tooling and processes.

Lead a team of test engineers to deliver end-to-end testing for securities clearing platforms. Own test strategy, plans, automation and CI/CD integration, ensure quality across the SDLC, collaborate with business, technology teams and suppliers, and communicate technical information clearly.

Own QA across the product: plan and execute testing, build automated frontend (Angular/TypeScript) and API test suites, review stories, test AI outputs and financial flows, triage bugs, and sign off releases while embedding testing into development.

Design, build, and maintain automated test suites, evaluation scenarios, metrics, and datasets for AI-powered features. Automate QA workflows with Python and CI/CD, test APIs and ML model outputs, define quality strategy and acceptance criteria, create CI/CD quality gates, mentor teams, participate in code reviews, and document findings.

Lead and conduct claims quality assurance reviews against regulatory and internal standards, produce MI and analytic reports, recommend process improvements, oversee re-reviews and calibration, and coach team members to drive continuous improvement across Lloyd's London Market claims operations.

Conduct audits of claims files against regulatory and internal standards, identify trends, prepare MI and analytic reports, recommend corrective actions, support training and remediation, engage stakeholders, and maintain knowledge of London Market products, policies, systems and regulatory environment.

The Clinical Quality Assurance Specialist conducts quality assurance activities for digital health services, assesses adherence to standards, produces documentation, and supports clinical teams in implementing quality checks in software systems.

Lead clinical QA oversight for Ipsen's clinical studies, ensuring GCP and regulatory compliance, inspection readiness, risk-based quality oversight, vendor oversight, investigations, CAPAs, and continuous improvement across clinical and medical quality systems.

Provide independent QA oversight of Financial Crime Operations: review PEPs, sanctions, transaction monitoring, SARs and ongoing monitoring; identify and document issues and trends; perform control testing on third-party tools (including AI solutions); maintain QA procedures; present findings and feedback to stakeholders.

Lead and grow a Quality Engineering team while remaining hands-on to build and improve automation frameworks, integrate testing into CI/CD, adopt AI-enabled testing, define quality strategy and metrics, collaborate with Product/Engineering/DevOps, and drive continuous improvement in enterprise EHS & ESG software.

Design and implement Python testing frameworks, conduct ETL testing, and collaborate in a CI/CD environment focusing on cloud-based data platforms.

Lead performance and scalability for a microservices-based platform: define SLOs and thresholds, design and run production-scale performance tests (k6), integrate performance into CI/CD, build reusable test assets, diagnose regressions via logs and traces, and drive fixes with stakeholders to embed performance across delivery.

Lead the Clinical Quality Assurance team to investigate clinical concerns and complaints, monitor external providers and Bupa services, drive corrective actions, analyse complaints data, and design processes to improve clinical quality and patient safety.

Join the Business QA team to design and maintain automated end-to-end test suites, coordinate and support UAT, validate business workflows, demonstrate findings to stakeholders, analyze test results, manage UAT environments and data, and collaborate with product teams to improve quality and testing processes.

Provide QA leadership for development and clinical manufacturing of diagnostic radiopharmaceuticals. Serve as primary quality representative across product development, tech transfer, CMO onboarding, GMP document review, investigations/CAPAs, audits/inspections, quality risk assessments, and continuous improvement of R&D quality systems.

Evaluate search results and AI-generated content for quality, relevance, and accuracy. Conduct online research to verify information, apply rating guidelines, document edge cases, provide written feedback, participate in training/calibration, and meet productivity and quality targets.

Validate and automate testing for AWS serverless, event-driven and modernized applications. Design and run functional, integration, contract, performance, resilience and security tests. Build automated test frameworks, integrate with CI/CD, leverage AWS Kiro for AI-assisted test generation and validation, and support migration/regression testing across microservices.

Hands-on QA Engineer responsible for test strategy, manual and automated testing (Selenium, BDD), writing and executing test plans, reviewing stories and code, participating in agile ceremonies, maintaining test documentation and improving QA processes across the software delivery lifecycle.

Design and execute manual and automated tests for Google Cloud Identity. Perform API and security testing, identify and report bugs and vulnerabilities, validate fixes through regression testing, participate in code reviews, automate test processes, and document test cases and findings.

Own manual and automated QA for web (Vue.js/Rails) and native mobile (iOS/Android) plus React Native. Drive shift-left testing, maintain TestRail, perform smoke/regression releases, improve automation coverage, and act as a release gate to ensure high reliability in safety-critical rail B2B SaaS environments.

As a QA Engineer, you will design and automate tests to ensure the reliability and performance of Fogsphere's AI platform, collaborating with engineering teams throughout the development lifecycle.