Top QA Engineer Jobs in Warsaw

Perform manual functional, regression, integration, compatibility, and usability testing for a SaaS web application. Create and maintain test cases, test REST APIs, validate UI and backend integrations, identify bug root causes, and manage Jira reports. Participate in Agile ceremonies, communicate testing progress, and collaborate with product, engineering, and DevOps teams.

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.

Performs manual and automated testing for game engine changes, maintains Python/Pytest and Lua tests, validates production pipelines and tools, and supports programmers and production teams with technical issues. The role follows QA priorities, evaluates bug impact, and contributes to quality assurance for role-playing games.

Own QA for JetBrains’ IntelliJ Platform Core team by developing UI, end-to-end, functional, and integration tests across Linux, Windows, and macOS. Investigate failures, improve diagnostics and CI/CD reliability, track coverage, identify quality risks, coordinate testing, and mentor a junior QA engineer. The role requires independent troubleshooting, strong automation and programming skills, and close collaboration with developers.

Investigate automated test failures, user-reported runtime issues, thread dumps, JVM crash logs, deadlocks, freezes, and IDE responsiveness problems. Collaborate with runtime engineers and support teams to reproduce issues, triage defects, organize quality tasks, and improve JetBrains Runtime stability across macOS and Linux.

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.

Owns end-to-end quality assurance for Rockwell Automation’s global Windchill PLM platform. Responsibilities include test planning and execution, defect management, automated regression framework development, requirements validation, UAT facilitation, CI/CD integration, quality reporting, and risk-based testing. The role collaborates with developers and architects, supports SAFe Agile ceremonies, and drives improvements in QA automation, governance, auditability, and compliance.

Test the internal CRM through manual and automated testing using Python. Design tests, validate REST APIs, verify integrations and data consistency across CRM-connected services, and collaborate with product managers, developers, and system analysts. The role covers integrations with HubSpot, voice bots, telephony, email, and internal AI/LLM services.

Own quality for a financial trading product through manual testing, automation, API and end-to-end testing, regression, exploratory testing, and release validation. Build and maintain Playwright tests in TypeScript or JavaScript and Python API integration tests. Investigate flaky automation, review requirements, communicate risks, and collaborate with development and product teams. Forex, crypto, or trading experience and native-level Russian with B2-or-higher English are required.

Senior Automation QA Engineer responsible for developing and maintaining scalable API, UI, and LLM test automation frameworks. The role emphasizes Python-based API testing with Requests, Playwright UI testing, CI/CD integration, and test environment management using Docker and Kubernetes. Responsibilities include performance, regression, and functional testing, troubleshooting failures, writing test documentation, managing defects in Jira, and collaborating with engineering, QA, and DevOps teams.

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.

Lead the design and implementation of a QA automation framework for SAP CRM and SAP TC. Build automation solutions from scratch, improve existing systems, promote testing best practices, mentor QA teams, apply AI to testing processes, and perform manual testing when needed.

Executes manual software testing, creates and maintains test cases, documents defects, analyzes test results, and communicates testing progress and risks. Collaborates with technical and non-technical stakeholders to clarify requirements, coordinate testing activities, and resolve issues. Uses JIRA and Confluence for defect tracking, test management, documentation, and team collaboration while working independently or within an Agile team.

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.

Conducts monthly quality assurance reviews of merchant onboarding cases across multiple markets, evaluating customer due diligence, policies, and operational standards. Identifies deficiencies, documentation errors, trends, and root causes; documents and escalates findings; provides feedback and supports calibration and training. Maintains quality records and metrics, prepares reporting, and collaborates with Operations, Product, Sales, and Risk & Compliance teams to improve procedures, controls, and onboarding quality.

Conducts monthly quality reviews of merchant onboarding cases, checking customer due diligence, policies, and operational standards. Documents deficiencies, trends, root causes, and corrective actions; provides feedback and supports calibration and training. Maintains quality records and reporting, collaborates with Operations, Sales, Product, and Risk & Compliance teams, and contributes to procedures, checklists, and continuous improvement initiatives across multiple markets.

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.