Top QA Engineer Jobs in Barcelona

Own manual testing across complex systems: create and execute test cases, perform functional/regression/integration/exploratory/UAT, manage defects, validate fixes, support performance testing, improve QA processes, and collaborate with developers and product teams to ensure release readiness.

Develop and maintain automation testing frameworks, execute tests, and implement AI-driven quality practices while collaborating with product teams.

Investigate and reproduce customer-reported issues, create actionable bug reports, design and run manual and automated test plans, validate fixes, improve automated coverage, and track quality metrics for Kestra OSS and Enterprise editions.

Lead QA for the Site Intelligence product: build QA processes and standards, design and implement scalable test automation for backend APIs, UI, microservices and data pipelines, validate cross-system integrations, and integrate automated tests into CI/CD. Partner with product, engineering, and infrastructure teams to embed quality throughout the development lifecycle and ensure reliable staging and release processes.

Produce and maintain technical documentation (use cases, specs, API guides) and ensure quality of complex MEAN web applications. Develop and execute functional and automated tests (Selenium), perform API testing, track requirements in SharePoint, work in an agile/Kanban team, and coordinate with technical leads and business owners to identify and resolve risks and defects.

Write and maintain end-to-end technical documentation and ensure quality for complex MEAN web applications. Develop and execute functional and automated tests (Selenium, API), work with CI/CD pipelines (GitLab), track requirements in SharePoint, and collaborate with technical leads and analysts in an agile/Kanban process during New York business hours.

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

Lead and architect end-to-end QA automation for a distributed data SaaS platform: build scalable frameworks, embed tests in CI/CD, drive integration/API/performance/data-integrity testing, eradicate flaky tests, mentor engineers, own release quality sign-off, collaborate across product and engineering, and apply AI tools to accelerate testing and optimize QA metrics.

Build and maintain automated test suites for smart contracts and UIs, integrate testing into development, identify and track bugs, improve test frameworks, and ensure comprehensive coverage for new features.

Lead the QA process for mobile app testing, implement CI systems, manage bugs, and develop automated tests for iOS and Android applications.

Perform 50/50 manual and automated testing using Python, expand and stabilize an existing automation framework, design test strategies, integrate tests into CI/CD, execute performance/load and API testing, collaborate with cross-functional teams, and improve QA processes.

The App Integration Specialist will engage in creating test environments, maintaining third-party repositories, performing product testing, and supporting automation scripts while collaborating with the development team.

Perform manual and automated testing across web, mobile, APIs, backend services, and blockchain integrations. Build and maintain Python-based test frameworks, investigate issues across distributed systems, analyze logs/metrics/network traffic, contribute to release validation and automation, and collaborate with product, engineering, and DevOps. Use AI tools to accelerate testing, support incident analysis, and proactively improve testing coverage and product reliability.

As a Senior Mobile QA Automation Engineer at Proton, you will conduct manual and automated testing for iOS and Android applications, collaborating with development and support teams to ensure product quality.