Top QA Engineer Jobs in Spain

The QA Engineer will own testing processes across hardware, software, and cloud products. Responsibilities include creating test plans and strategies, developing manual and automated tests, identifying defects and risks, supporting CI/CD, improving QA processes, validating test runs, and collaborating with Scrum teams and product development. The role also requires investigating quality issues, suggesting improvements, and communicating product reliability to stakeholders.

Develop and maintain automated UI and API tests using C#, enhance front-end and back-end testing frameworks, conduct performance and manual testing, monitor QA results, support UAT, estimate QA efforts, and help define automation strategy. The role also includes coaching QA colleagues, collaborating within a Scrum team, and testing cloud-based microservice applications on Microsoft Azure.

Test web applications across frontends and APIs, validate AI-driven and asynchronous outputs, identify and document defects, maintain test documentation, and advocate for quality throughout the development lifecycle. The role involves collaborating with product, development, and customer support teams, using SQL and CLI tools, and contributing to test automation and software architecture discussions.

Ensure the quality of cloud-native application deliveries within an agile team. Responsibilities include defining test strategies, designing and executing manual and automated tests, managing defects, verifying fixes, providing feature sign-off, reporting progress, mentoring QA colleagues, and improving quality processes and practices.

Build, maintain, and scale automated tests for web and mobile gaming platforms. Integrate test execution into GitHub Actions CI/CD pipelines, define test strategies and coverage plans, perform API testing with Postman, and collaborate with frontend and backend engineers on performance and integrations. Mentor colleagues, promote BDD practices, and establish quality standards across customer-facing gaming features.

Develop and maintain automated tests across web, mobile, and desktop applications. Collaborate with product, development, and delivery teams; monitor and report testing progress; and share quality-assurance best practices. The role requires Java and Kotlin programming, experience with Selenium, Appium, JUnit, TestNG, API technologies, browser developer tools, and clean, maintainable code.

Build and maintain automated testing frameworks for front-end and back-end systems, define testing strategies, manage test data, track defects, improve software quality and performance, and coach teams on quality practices. The role also involves integrating testing throughout the development lifecycle and promoting a quality-driven culture across teams.

Build and maintain automated tests for desktop and mobile applications, integrate testing into CI/CD pipelines, investigate failures, manage test data and environments, report and verify bugs, and collaborate with developers and product teams. Perform manual, exploratory, functional, and regression testing while selecting appropriate automated or manual coverage. Use Playwright, WebdriverIO, and Appium across Electron, React Native, iOS, and Android applications.

Develop and maintain automated tests across Web, Android, Windows, iOS, and macOS applications. Collaborate with product, development, and delivery teams; monitor test progress; report results; and promote automation best practices. The role requires Java and Kotlin programming, web and API automation, Selenium, Appium, testing frameworks, REST, GraphQL, gRPC, browser developer tools, and strong communication and problem-solving skills.

Design and execute comprehensive test plans for dApps and smart contracts, perform unit/integration/end-to-end testing, run security audits and vulnerability assessments, automate tests within CI/CD pipelines, monitor quality metrics, debug issues, and collaborate with developers and product managers to ensure reliable DeFi/EVM-compatible applications.

Support pharmaceutical, biotech, and medical device quality projects, including batch review and release, GMP documentation, deviations, CAPAs, change controls, sterile manufacturing, audits, inspections, and regulatory compliance. The role develops quality expertise across diverse client environments with mentorship and increasing responsibility.

Provides administrative and operational support for Global Quality Assurance and Quality Management System activities. Responsibilities include tracking deviations, CAPAs, complaints, actions, and deadlines; migrating and maintaining quality records in Qualio; triaging QA inbox requests; administering training records; managing controlled documents; and preparing quality metrics and status reports. The role requires strong organization, attention to detail, communication, and experience in regulated life sciences quality environments.

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.

Own the risk-based quality strategy for a digital-signature and certificate-management platform. Lead the shift from manual regression to automation-first testing, prioritize coverage, define testing boundaries across unit, API, and UI layers, and coordinate Product, Development, and QA. Manage test plans, defects, quality metrics, reporting, and continuous improvement while mentoring junior QA engineers and making quality risks visible to leadership.

Own and improve testing for backend services and APIs. Design and expand automated integration, contract, component, and end-to-end tests; validate environments, infrastructure, databases, and test data; analyze failures and defects; support root-cause analysis; communicate quality metrics; and contribute to continuous testing and delivery practices.

Own and improve testing strategies for iOS and Android applications. Build automated UI, integration, end-to-end, and API test coverage using mobile testing frameworks. Manage devices, simulators, environments, and test data; analyze failures and defects; support root-cause analysis; report quality metrics; and contribute to continuous testing and delivery. Collaborate with developers and product stakeholders to identify risks, prevent defects, and support informed release decisions.

Own and improve testing practices for web applications in an agile environment. Build automated UI, component, end-to-end, API, visual regression, and cross-browser tests; prepare environments and test data; analyze failures; support root-cause investigations; communicate quality metrics; and contribute to continuous testing and delivery. Collaborate with developers, UX, and product stakeholders to identify risks and prevent defects throughout the software lifecycle.

Lead the strategic direction, operations, financial performance, and organizational development of the Quality department. Oversee customer audits, regulatory inspections, quality KPIs, processes, and compliance with clinical research regulations and client expectations. Represent Quality in leadership and client meetings, maintain client satisfaction, support business development, and build strong internal and external relationships.

Configure, test, troubleshoot, and maintain Clearion web and mobile application solutions. Collaborate with Product, Engineering, Business Analysts, QA, and Customer Success teams to validate requirements, improve reusable configurations, document solutions, and meet project deadlines. The role requires functional and regression testing, web technologies, SQL, Agile experience, stakeholder communication, and independent task management.

The role focuses on leading product safety and quality initiatives within supply chains, collaborating cross-functionally while providing expertise and thought leadership in compliance and sustainability.

Grow Qure’s user base from scratch by testing acquisition channels, managing budgets, creating marketing assets, building measurable funnels, and partnering with product on activation-focused improvements. The role requires rapid experimentation across paid, organic, community, video, and content channels, using data to optimize acquisition economics and eliminate underperforming efforts.

Own product quality and reliability by designing and executing manual and automated tests across frontend, backend integrations, APIs, and mobile applications. Develop UI automation with TypeScript and Playwright, API tests with Jest, lead test planning and risk assessments, integrate automation into CI/CD pipelines, and improve QA processes in collaboration with development and product teams.

QA Engineer responsible for planning and executing functional, regression, performance, security, and acceptance testing for fintech software. The role includes creating manual and automated test cases, building Selenium regression suites in C#, testing REST APIs with Postman, validating MSSQL data, documenting results, tracking defects, verifying fixes, and collaborating with developers, analysts, and business stakeholders in an Agile environment.

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.

QA Engineers contribute to product quality and testing within an innovative manufacturing and technology environment. The provided description contains no specific responsibilities, required qualifications, tools, or testing methodologies.