Top QA Jobs in London

Design and maintain production-quality test infrastructure for Graphcore’s machine learning software stack. Build scalable test frameworks and CI/CD pipelines across simulators, emulators, and physical AI hardware. Create representative ML workloads, analyze execution results, improve testing and tooling, contribute to open-source projects, and mentor junior engineers. The role combines software architecture, automated testing, low-level debugging, and hardware-aware validation.

Design and maintain production-quality ML test infrastructure, CI/CD pipelines, automated testing systems, and representative workloads across simulators, emulators, and AI accelerator hardware. Analyze numerical accuracy and performance, improve testing and developer tooling, contribute to software architecture, and mentor junior engineers. The role requires strong Python, software design, Linux, CI/CD, automated testing, and C or C++ skills.

Tests batch and streaming data pipelines, Snowflake transformations, SQL-based data models, Apache Flink processing, and end-to-end integrations. Develops automated data validation and regression tests, investigates data quality issues, validates performance and reliability, manages defects, and integrates testing into CI/CD workflows. Collaborates with data and software engineering teams to improve coverage and ensure accurate, complete, and reliable data flows.

Leads manual and automated testing for Salesforce applications, customizations, integrations, and core functionality. Develops test plans, cases, scripts, regression and performance tests; coordinates UAT; manages defects, environments, documentation, reporting, and risk assessment. Collaborates with development, business, and project teams while mentoring junior testers and improving QA processes.

Designs, maintains, and executes Java-based UI, API, integration, regression, and end-to-end automated tests using Selenium and RestAssured. Collaborates with Agile delivery teams to improve test coverage, shift-left quality, CI/CD testing, traceability, defect management, and test documentation. The role also supports test data management, SQL validation, manual testing, non-functional testing, and continuous improvement across the software development lifecycle.

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.

Lead end-to-end delivery of technology, digital commerce, retail technology, business systems, and transformation projects. Manage scope, budgets, timelines, risks, governance, testing, vendors, stakeholders, business readiness, and operational handover across Agile, Waterfall, Hybrid, and Continuous Delivery environments. Drive accountability, reporting, quality controls, and continuous improvement while supporting Mulberry’s turnaround and growth strategy.

Evaluates customer support interactions, leads calibration sessions, audits AI-powered QA outputs, and turns quality insights into coaching and process improvements. The role also maintains knowledge-base articles, training materials, and macros, delivers refresher training, supports onboarding, and handles a limited number of customer tickets through Zendesk. Fluency in Dutch or German and professional English proficiency are required.

Manage quality assurance and compliance for commercial insurance broking teams. Coach brokers, review calls and files, conduct risk-based audits, document remediation, maintain regulatory audit trails, and monitor adherence to FCA, Consumer Duty, data protection, and governance requirements. Partner with sales, technical controls, and compliance teams to improve customer outcomes, conversion, retention, broker capability, and compliant sales practices through structured coaching, MI analysis, root-cause investigation, and process improvement.

Manage relationships with approved education institutions, advise providers on nursing and midwifery education standards, support programme approvals and modifications, review evidence, identify risks, and make quality assurance recommendations. The role requires stakeholder engagement, regulatory judgement, analytical assessment, reporting, and collaboration to improve educational quality and protect the public. Regular regional travel and hybrid office attendance are required.

Design, develop, maintain, and execute automated UI and API tests using Playwright and TypeScript. Perform manual, exploratory, functional, integration, regression, and end-to-end testing across web applications, APIs, and backend systems. Maintain test frameworks, test plans, data, and cases; integrate automation into CI/CD pipelines; investigate defects; and collaborate with development, product, business analysis, and DevOps teams in an Agile environment.

Owns the underwriting data control environment, including governance frameworks, quality standards, reporting controls, health checks, master data management, data lineage, and exception reporting. Partners with Data, Operations, Underwriting, and reporting teams to ensure information is accurate, complete, reliable, and trusted. Supports transformation initiatives, validates month-end and quarter-end reporting, improves operational processes, and builds a scalable quality assurance and controls capability.

Design and scale automated testing frameworks for iOS, Android, and API platforms. Integrate automated suites into CI/CD pipelines, implement mobile security, accessibility, performance, and test data strategies, and collaborate with developers, DevOps, and security specialists to improve testability and resolve complex issues. Establish automation standards, evaluate tooling, and optimize coverage for reliable software releases.

Coordinates quality assurance and validation activities for mystery shopping and performance measurement projects. Monitors quality metrics, deploys validation resources, supports deadlines, coaches validation teams, checks survey data, and identifies process, efficiency, and automation improvements. Works across Client Success, Project Management, and Operations to ensure accurate client deliverables and high service standards.

Leads WPP Media’s UK solutions development, product, engineering, and platform operations functions. Translates business strategy into technology roadmaps, establishes agile and software delivery standards, oversees quality and release management, and builds scalable media solutions using WPP Open technologies. The role manages large cross-functional teams, senior leaders, development partners, vendors, and offshore teams while driving innovation, commercial growth, stakeholder alignment, and global-to-local technology adoption.

Designs and executes manual and automated tests for web software, creates test plans and cases, identifies and reports defects, performs root-cause analysis, and supports issue triage. The role collaborates with product and development teams on testability, edge cases, quality standards, and continuous improvement. It also involves API, mobile, cloud-device, and non-functional testing in an Agile continuous-delivery environment.

Oversee quality assurance for credit risk and enterprise reporting across EMEA. Responsibilities include validating offshore-produced reports, reconciling outputs, analyzing metrics, coordinating stakeholder approvals, approving regulatory reporting, managing MI packs, tracking KPIs and SLA breaches, resolving issues, maintaining QA documentation, and serving as the primary contact for reporting queries. The role requires credit risk reporting experience, strong Excel skills, familiarity with financial regulations, and stakeholder management across onshore and offshore teams.

Lead the development and continual improvement of Safety First quality, assurance and management systems. Establish risk-based assurance across projects, assets and operations; ensure alignment with legislation, ISO standards and best practice; analyze assurance data; drive corrective action; and provide independent, audit-ready oversight. Influence senior stakeholders, strengthen organizational capability, and use digital tools and AI to support governance, compliance and continuous improvement.

Designs, develops, and maintains Java-based automated API, integration, and end-to-end tests. The role integrates testing into Azure DevOps pipelines, validates distributed and asynchronous workflows, investigates failures using logs, databases, and pipeline results, and improves test reliability and coverage. It also supports exploratory, performance, accessibility, security, and operational-readiness testing, manages traceable test evidence in Jira/Zephyr, and communicates risks and release quality to stakeholders.

Lead the establishment of an independent, risk-based QA function for a Salesforce transformation in a regulated wealth-management environment. Responsibilities include defining the QA operating model, owning Salesforce SIT, UAT, migration, non-functional and regression testing, selecting test tooling, modernising automation, managing environments and test data, coordinating release quality across squads, presenting business cases to executives, and developing the test team’s capabilities.

Perform functional, non-functional, automated, performance, accessibility, security, and acceptance testing for complex cloud-native systems. Develop and maintain Java-based test automation, API, load, and stress-testing solutions within Agile CI/CD and DevSecOps environments. Collaborate with developers, DevOps engineers, product teams, and stakeholders; manage defects through resolution; support test strategy, risk coverage, and best-practice adoption across distributed teams.

Manage regulatory affairs and quality assurance for a Software as a Medical Device portfolio across the UK, EU, and international markets. Responsibilities include maintaining technical documentation, risk management files, labeling, clinical evaluation, post-market surveillance, vigilance reporting, regulatory submissions, market access, audits, CAPA, and notified body interactions. The role partners with Engineering, Clinical, and Quality teams to ensure software changes, corrective actions, and submissions comply with applicable medical-device regulations and standards.

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.

Perform hands-on quality assurance testing for web applications throughout the software delivery lifecycle. Responsibilities include creating and maintaining automated test suites, integrating tests into CI/CD pipelines, defining test strategies, managing defects, assessing risks, and collaborating with developers during Agile ceremonies from backlog refinement through release.

Conduct manual testing for Paper.io 2, identify and document defects, create test plans, improve QA processes and tools, monitor technical KPIs, and collaborate with design, development, and central technology teams. The role owns QA activities across development and release stages while providing feedback on game mechanics, quality, and player experience.