Top QA Engineer Jobs in Warsaw

Design and maintain automated testing for ETL pipelines and healthcare data workflows using Python, PySpark, Databricks, SQL, Robot Framework, and CI/CD tools. Validate UI, APIs, databases, metrics, dashboards, and data integrity across layers. Manage test data, develop custom testing libraries, guide junior engineers, collaborate across disciplines, and balance testing across parallel releases.

Tests backend services, React applications, APIs, integrations, asynchronous workflows, and end-to-end functionality. Designs manual and automated test coverage using Java or TypeScript and tools such as Playwright, Cypress, or Selenium. Writes complex SQL queries, validates Kafka or RabbitMQ message-driven integrations, investigates defects, analyzes test results, and collaborates with developers and automation QA teams to improve software quality and reliability.

Build and maintain Playwright and TypeScript automated tests for financial data and payment systems. Perform API, backend, functional, integration, regression, system, and manual testing; validate data integrity; analyze logs; debug issues; document defects; and collaborate with engineering and product teams to improve test coverage and software reliability.

Develop and execute automated API, integration, web, and mobile tests. Build end-to-end suites, validate partner integrations, and ensure reliable conversion and payment flows. Investigate issues with developers and stakeholders, design scenarios involving mocked dependencies, and apply AI in testing. Preferred experience includes CI/CD integration, performance testing, API security scanning, and structured GenAI workflows.

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.

Principal QA Engineer responsible for test automation, manual testing, test strategy, data ingestion testing, load testing, and test management for a cloud-native SaaS product. The role collaborates with agile development teams to validate customer requirements, improve quality, performance, scalability, security, observability, and CI/CD processes. Technologies include C#, .NET, TypeScript, Azure, dbt, Selenium, Cypress, and various testing and DevOps tools.

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.

Validate end-to-end product data migration into Akeneo PIM from ERP and Cloudinary, verify Akeneo configuration and data governance, inspect exported XML for SFCC schema compliance, monitor SFCC import jobs, and triage defects between source data and transformation bugs.

Define and execute quality strategy for international systems integration projects. Manage quality deliverables, QMS processes, audits, ISO 9001 compliance, root cause analysis, CAPA, and continuous improvement. Partner with deployment teams and leadership to align quality metrics with business objectives, analyze deployment impacts, and improve processes using data analysis and statistical quality tools.

Verifies customer software by analyzing technical documentation, building applications across multiple programming languages, diagnosing build issues, and validating functionality against requirements. Performs end-to-end testing using manual and automated methods, documents bugs, communicates findings to clients and teams, and contributes to improving verification processes. The role requires broad knowledge of development environments, databases, Git, APIs, build tools, cloud technologies, and programming languages.

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.

Develop and maintain automated API, UI, integration, regression, and performance tests using Robot Framework and Python. Build testing frameworks, write custom libraries, perform MCP load testing, integrate tests into CI/CD pipelines, maintain reports and metrics, collaborate with developers on test coverage, and participate in code reviews. The role requires web and mobile testing experience, Agile and SAFe knowledge, test management expertise, and strong communication skills.

Analyzes requirements, designs comprehensive test plans and cases, executes manual and automated testing, documents defects, evaluates test coverage, conducts risk assessments, and communicates testing progress and recommendations. Collaborates with developers, analysts, product owners, and stakeholders throughout the SDLC. The role also supports API, cloud, database, integration, performance, reliability, and data integrity testing, with Jira, Agile/Scrum, automation, and CI/CD experience preferred.

QA Engineers support product quality and testing activities for GMS products and solutions. The provided description contains no specific responsibilities, technologies, qualifications, compensation details, travel requirements, or clearance requirements.

QA Engineers support product quality and testing efforts for GMS products and solutions. The provided description contains no specific responsibilities, qualifications, tools, or testing methodologies.

Designs and maintains end-to-end automated testing across AWS web applications and Salesforce workflows. Automates cross-platform user journeys, Salesforce Lightning UI tests, REST API integrations, webhooks, secure queues, and database validation using SOQL. Integrates test suites into Git-based CI/CD pipelines while ensuring secure, reliable synchronization of DevOps data between cloud microservices and Salesforce.

QA Engineer responsible for testing web and mobile applications across frontend, backend, iOS, and Android. The role owns Playwright automation, API and database validation, defect investigation, specification review, customer issue triage, and release-readiness evidence. Success requires strong root-cause analysis, cross-functional collaboration, Polish and English communication, and practical use of AI to improve testing and engineering workflows.

Designs, develops, executes, and automates QA tests for NVIDIA Ethernet switch features and releases. Reviews architecture and requirements, performs regression, performance, functional, and security testing, reports and reproduces bugs, investigates root causes, verifies fixes, and develops Python-based automation frameworks and APIs.

Lead quality validation for virtual networking silicon and software by reviewing designs, developing Python and Pytest automation, executing functional, performance, and security tests, debugging defects, validating fixes, and collaborating with R&D throughout feature development. The role requires deep networking protocol expertise, Linux proficiency, and experience testing technologies including BGP, EVPN, VXLAN, QoS, and RoCE.

Designs and executes manual, automated, regression, performance, functional, and security tests for a network simulation platform. Responsibilities include simulating network architectures across multiple operating systems, validating configurations against physical environments, reviewing requirements, developing Python automation frameworks and APIs, documenting and reproducing defects, debugging issues, and verifying fixes. The role requires strong networking, switching, routing, Linux, Python, and WebUI/API automation expertise.

Develop testing strategies and automated functional, integration, backend, frontend, data-storage, and load tests for Veeam Backup for Salesforce. Improve automation tools, maintain test documentation, validate other testers’ scenarios, analyze results, increase coverage, report quality findings, and implement improved testing approaches. The role also involves requirements collection, system interoperability, distributed systems, CI/CD, and collaboration throughout the software development lifecycle.

Owns and evolves automated testing frameworks and quality gates for a cloud-native digital pathology platform. Responsibilities include developing UI and API tests with Java, Playwright, and JUnit 5; designing scalable Maven test architectures; applying API testing strategies; integrating suites into CI/CD pipelines; troubleshooting distributed issues and flaky tests; and maintaining quality standards across clinical workflows, AI algorithms, and third-party healthcare integrations.

Lead and support sponsor and external audits across clinical, pharmacovigilance, and technology services. Coordinate audit preparation, hosting, CAPA management, root-cause investigations, effectiveness checks, regulatory compliance, and follow-up with clients and internal teams. Review clinical records, advise operations on GCP requirements, and support audits of investigator sites and vendors. Occasional travel may be required.

Lead QA Engineer responsible for test case design and automation for a UCaaS platform. Automate backend, API, VoIP/SIP and calling functionality, integrate tests into CI/CD (Jenkins), run load/emulation, debug using network tools, and track coverage in TestRail within an Agile/Scrum team.

The QA Lead will oversee quality assurance for mobile and IoT projects, design test strategies, mentor a QA team, and introduce modern QA tools and practices.