Top QA Jobs in London

Own performance and scalability testing across a platform of microservices and event-driven systems. Design realistic load, stress, soak, and spike tests; define performance thresholds and SLOs; integrate tests into CI/CD; and diagnose regressions using observability data, logs, and distributed tracing. Build reusable test assets, influence architecture and delivery decisions, and drive stakeholders toward performance improvements. The role requires strong programming, microservices expertise, k6 experience, and proactive ownership.

QA Test Engineer responsible for planning and executing manual and automated tests across web-based digital platforms. Duties include creating test cases, developing automation scripts, collaborating with developers, managing test environments, analyzing failures, reporting defects, and improving testing processes. The role requires Agile SDLC experience and covers mobile, tablet, and desktop applications.

Owns project-wide QA strategy for a game, including build validation, test planning, defect lifecycle management, risk tracking, reporting, and hands-on testing. Leads and develops QA staff through mentoring, onboarding, reviews, and performance management. Represents QA in triage, agile ceremonies, leadership reviews, publisher communications, and outsourced QA coordination. Supports console certification, submission testing, documentation, and continuous improvements to testing quality and coverage.

Lead software verification and validation for safety-critical medical device software, developing test strategies, protocols, execution reports, compliance-as-code workflows, and automated quality gates. Drive CI/CD and test automation, apply TDD and BDD, and collaborate with systems engineers to test hardware-integrated signal-processing applications. Ensure compliance with IEC 62304 Class C and ISO 14971 throughout the software development lifecycle.

Test Brookhaven across Live and QA environments on Mobile, Tablet, PC, and Console. Reproduce and document issues with logs/screenshots/steps, execute test plans, represent the player perspective, and communicate progress and risks with QA and development teams.

Validate and test blockchain and Web3 products across the development lifecycle: create and run test plans, validate smart contract and wallet interactions, test APIs and web platforms, track and verify bugs, collaborate on releases, and improve automation, reliability, performance, and security.

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.

Senior QA professional responsible for designing scalable automation frameworks for mobile applications and APIs, integrating automated testing into CI/CD pipelines, and embedding quality, security, accessibility, performance, and test-data practices throughout delivery. The role collaborates with engineering, DevOps, and security teams, establishes testing standards, troubleshoots root causes, and mentors QA engineers. It is a hybrid position based in London, requiring two office days weekly.

Develop and enhance test strategies, design and execute test cases, analyze results, and improve automated testing. Promote QA best practices, build understanding of business and technical requirements, define quality processes, and collaborate with QA, development, and DevOps teams to maximize coverage and improve automation solutions.

Design, develop, and maintain automated functional and regression test suites (C#, BDD). Execute API, UI, and exploratory testing, integrate automation into CI/CD (GitHub Actions), leverage AI-assisted tools, collaborate across teams, produce BDD scenarios, QA documentation, and promote automation best practices.

Conduct risk-based Quality Assurance reviews across customer onboarding, KYC, CDD, EDD, transaction monitoring, fraud activities, and payment operations. Assess case handling, controls, documentation, and decision-making; identify deficiencies and emerging risks; produce evidence-based reports and KPIs; track remediation; and support improvements to QA methodologies, sampling, policies, procedures, and training. The role collaborates with Compliance, Risk, Internal Audit, and operational teams in a regulated financial services environment.

Design, build, and maintain end-to-end automated testing for AWS web applications and Salesforce workflows. Automate cross-platform user journeys, Salesforce Lightning UI tests, REST API integrations, webhooks, secure queues, and database validations using SOQL. Integrate test suites into Git-based CI/CD pipelines while ensuring secure, reliable synchronization of enterprise DevOps data between AWS microservices and Salesforce.

Drive quality assurance for web features from technical handoff through production release. Responsibilities include test planning, test case creation, functional and exploratory testing, regression, UI/UX, cross-browser, responsive, API, and end-to-end testing. Support releases through build validation and monitoring, document and review tests, collaborate with product and engineering teams, improve QA metrics, and optionally contribute to test automation.

Manage software quality engineers testing and deploying high-performance European trading systems. Lead test planning, staffing, automated regression testing, code reviews, test framework development, CI/CD infrastructure, dashboards, and reporting. Apply AI techniques to QA, guide team development, and collaborate with engineering and business teams. Develop trading-system test scenarios across equities, options, futures, and indices while improving system performance, reliability, and testability.

Talent-network posting to collect engineers for future openings across full-stack, backend (Golang), frontend (React), mobile (iOS/Android/React Native), blockchain, AI, DevOps, security, data, and QA. Applicants should state domain, core technologies, location/time zone, and share links to profiles or projects. Fully remote; must have right to work in the country you are based.

Review and proofread Kazakh localized content for grammar, spelling, formatting, and cultural accuracy. Execute test cases, identify and report localization bugs using bug-tracking systems, verify fixes, and occasionally translate English to Kazakh. Follow project style guides, troubleshoot basic issues, and ensure quality and consistency across digital products.

Lead regional QA for retail broking, driving quality, governance, complaint and breach management. Provide leadership to local QA teams, align regional activity with national QA strategy, collaborate with compliance, analyze service data to improve customer outcomes, and report regional QA performance to senior leadership.

Supports quality assurance and data integrity for financial reporting across complex asset portfolios. Responsibilities include asset evaluations, VIE assessments, provision notices, reconciliations, exposure reporting, borrower-rating monitoring, system updates, discrepancy investigations, documentation, and regulatory reporting. The role coordinates across front office, finance, and back-office teams, manages deadlines, supports QA checks, and guides junior colleagues.

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.

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.

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.

Staff QA Automation Engineer responsible for defining quality engineering standards across a microservices organization. The role architects shared automation frameworks, CI testing strategies, unit, integration, contract, and service-level testing, and quality controls for canary releases. It also advances AI-driven regression optimization, change-risk analysis, mutation testing, test generation, and self-healing checks. This specialist individual contributor partners with distributed engineering teams to drive adoption, improve pipeline reliability, and establish scalable quality practices.

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

Designs and maintains automated UI, API, database, regression, integration, end-to-end, performance, and load test suites for a SaaS platform. Integrates quality gates into CI/CD pipelines, partners with developers and product teams in agile workflows, uses AI/LLM tools to improve testing efficiency, maintains technical documentation, and drives defect reduction and continuous quality improvement.

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.