Top QA Engineer Jobs in Cologne

Manage QA/QC delivery for MEP, security, controls, and connectivity systems on large-scale data centre construction projects. Responsibilities include monitoring compliance, overseeing inspections, testing and commissioning, tracking defects and non-conformances, maintaining quality records, implementing corrective actions, verifying contractor progress, supporting reporting, and coordinating handovers. The role requires strong MEP quality expertise, stakeholder coordination, construction documentation skills, and on-site availability in Düsseldorf.

Manages Starface’s global quality systems, product testing, packaging validation, supplier quality, audits, production release, complaints, CAPA, and continuous improvement. Maintains quality documentation and product information files, leads inspections and recalls, oversees non-conformance investigations, and supports regulatory compliance for cosmetics, OTC, and medical device products. Partners cross-functionally with product development, packaging, operations, regulatory, suppliers, and customer experience teams to ensure product safety, performance, compliance, and consumer satisfaction.

Leads the engineering organization responsible for modeling, rendering, simulation, distributed computing, and quality. Owns platform roadmap execution, manages engineering managers, accelerates AI-assisted software development, improves delivery and testing processes, and balances zero-to-one product development with ongoing releases. Partners with Product and represents platform engineering to company leadership. Requires deep technical credibility and a proven record of organizational transformation, product delivery, and engineering leadership.

Develop and maintain automated Kotlin tests for IntelliJ IDEA’s Kotlin plugin. Collaborate with developers on exploratory testing, investigate and report bugs, perform regression testing, identify coverage gaps, and determine which scenarios should be automated. The role also contributes to product planning, technical risk assessment, and improving the stability of Kotlin tooling.

Own manual and automated testing for IntelliJ IDEA Ultimate features supporting JVM frameworks. Responsibilities include exploratory and regression testing, developing automated test suites, reproducing user issues, diagnosing bugs with developers, and prioritizing defects with product managers. The role requires Java or Kotlin proficiency, familiarity with build tools, databases, Docker, multiple operating systems, and basic system administration.

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.

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.

Leads the end-to-end QA strategy for Camunda 8, including quality gates, automation, reliability, performance, resilience testing, metrics, dashboards, and release governance. Manages functional and reliability QA teams totaling 12 individual contributors, a principal engineer, and a manager. Partners with engineering, product, UX, documentation, and field teams to embed quality across the organization and scale QA processes for Kubernetes, cloud, and bare-metal environments.

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.

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.