Top QA Engineer Jobs in Seville

Senior Quality Engineer responsible for defining QA strategies, creating manual and automated tests, integrating automation into CI/CD, and driving quality metrics. The role tests APIs, microservices, distributed and event-driven systems, Kafka workflows, data pipelines, and high-volume services. Responsibilities also include performance testing, technical scoping, client proposals, and continuous improvement across multiple projects.

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.

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.

Monitors affiliate and sales managers’ partner communications across Telegram, Skype, and email. Reviews tone, accuracy, compliance, response times, and SLA adherence; identifies risks and escalates critical cases. Provides constructive feedback, maintains communication standards and error records, prepares quality reports, and supports process improvements. The role requires strong written English, objectivity, responsibility, stress resilience, and the ability to understand affiliate and iGaming operations.

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.

Proofread, edit, and occasionally translate localized content into Bulgarian. Test software, mobile apps, user interfaces, and documentation for linguistic and functional issues; report defects using client tools; follow test cases, style guides, glossaries, and quality standards; research linguistic questions; troubleshoot basic problems; and complete assignments accurately and on time.

Proofread, edit, and evaluate localized content in Lithuanian for linguistic accuracy, consistency, cultural appropriateness, and adherence to style guides. Test software, mobile apps, UIs, and documentation; identify and report linguistic and functional defects using client bug-tracking tools. Research and resolve language questions, troubleshoot basic issues, prioritize tasks, and complete assignments accurately and on time.

Own quality assurance across multiple software projects, participate in design and requirements reviews, lead automation testing, and execute database, integration, functional, API, and UI/UX tests. Analyze results, recommend process improvements, maintain automation frameworks, and mentor junior colleagues within agile teams. The role requires strong programming, testing methodology, automation framework, API testing, database, analytical, and communication skills.

Conduct manual testing of web applications and new features across frontend and backend systems. Create and maintain test documentation, perform functional and regression testing, identify and track defects, verify fixes, and validate releases. Collaborate with development and product teams, analyze requirements, test REST APIs and databases, and provide quality improvement feedback within Agile environments.

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.

As an Automation QA Engineer, you'll test payment integrations, define test scope, develop automation plans, and build reliable automated tests to ensure product quality and continuous improvement.

Lead a hybrid QA team to own testing lifecycle from requirements to release. Design and run manual and automated web, mobile, and API tests, develop test frameworks, improve CI pipelines, mentor engineers, track defects, and ensure high-quality releases.

Lead QA for European manufacturing and field sites, perform factory and on-site inspections, drive 8D/Six Sigma problem solving, produce reports (RCAs, corrective action plans), coordinate with engineering, operations, and factory leadership, and track closure of quality items.

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

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

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.