Top QA Engineer 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.

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

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 run tests for iOS and Android apps, build and maintain regression automation integrated into CI, use logs and dashboards to investigate issues, execute accessibility, security and performance tests, communicate defects to stakeholders, and help onboard QA team members.

Lead quality strategy and execution across Wealth Management products. Build and maintain automation for microservices, APIs and end-to-end flows, own performance testing, embed shift-left practices, monitor and debug distributed systems, integrate tests into CI/CD on AWS, and influence cross-functional teams. Drive QA for AI-driven features and mentor others while operating under high pressure.

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.

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.

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.

Design and maintain the automation testing strategy at Incard, covering backend, frontend, and mobile applications, integrating with CI/CD pipelines, and focusing on quality assurance in a fintech environment.

As a Senior Software QA Engineer, you will design automation systems, monitor software development for quality, collaborate with teams, and enhance testing processes and strategies.

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.

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.

As an Automation QA Engineer, you'll design and implement test frameworks for Oracle projects, focusing on automation testing for APIs and web interfaces, collaborating with development teams to identify and resolve defects.

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.

Design and execute manual test cases, perform cross-browser and cross-device testing, manage defect lifecycle in Jira/TestRail, conduct functional/regression/smoke/usability testing, write clear bug reports, and collaborate with developers to ensure release readiness.

Manual and automated QA for Pod releases: run local/staging environments, submit transactions, verify APIs/receipts/state, reproduce and report bugs, write end-to-end and headless browser tests, and build release checklists and automation.

The QA Engineer will enhance test automation frameworks, perform cross-functional testing, and ensure the quality of ClickHouse's cloud and open-source offerings.

Build and maintain automated Playwright tests in JavaScript for customer applications, debug failures using Chrome DevTools, understand HTML/CSS, manage multiple customer accounts, improve QA tooling and practices, and communicate proactively in a remote, global team.

Contract QA Engineer to build and own QA strategy for a fast-moving AI product: design scalable QA processes, drive automation (integration, E2E, regression) across Django and NextJS, apply AI to QA tasks, and collaborate with engineers to enable safe, higher-cadence production shipping.

The Lead QA Engineer will oversee key testing activities, create test cases, strategies, and reports while collaborating with Agile teams. Responsibilities include testing data migration, back-end systems, and automation using various tools and frameworks, as well as communication and planning for release changes.

The Quality Assurance Engineer will develop tests for sports technology products, improve product quality, collaborate in Agile teams, and maintain automated test suites.

Perform manual functional, regression, integration, and exploratory testing for a B2B SWP platform. Analyze requirements, write and maintain test cases and checklists, test APIs with Postman, debug with browser DevTools, log and track defects in Jira, participate in Agile ceremonies, and communicate quality status through release sign-off.

As a Staff QA Engineer, you will lead quality strategy for software products, mentor automation engineers, improve CI/CD pipelines, and implement modern testing tools including AI-assisted strategies.

As a Quality Assurance Engineer, you will test software, validate new features, perform regression testing, and manage user-reported bugs.

Validate and improve the iOS app by writing and maintaining manual and automated tests (XCUITest), reproducing and debugging issues, creating test plans, improving coverage and CI workflows, and reporting defects via JIRA.