Top QA Engineer Jobs in Warsaw

Build and lead an offshore QA team, establish automation and manual testing practices, coordinate with Israeli QA leadership and development teams, and ensure global quality standards. The role drives test automation strategy, API and mobile testing, defect identification, release alignment, and reliable software delivery within a fintech environment.

Develop and maintain automated tests across Web, Android, Windows, iOS, and macOS applications. Collaborate with product, development, and delivery teams; monitor test progress; report results; and promote automation best practices. The role requires Java and Kotlin programming, web and API automation, Selenium, Appium, testing frameworks, REST, GraphQL, gRPC, browser developer tools, and strong communication and problem-solving skills.

Owns end-to-end quality for a high-load backend and microservices product, including test strategy, risk-based testing, API and database validation, defect investigation, release oversight, QA metrics, observability analysis, and process improvement. Collaborates with product, infrastructure, and business stakeholders while researching AI-assisted QA tools. The role requires strong troubleshooting, CI/CD awareness, and hands-on experience with Postman, REST APIs, Jira, GitLab CI, ELK, and Grafana.

Leads QA automation strategy across web, API, and backend services. Designs and maintains automated test frameworks, integrates testing into CI/CD pipelines, investigates defects, maintains test environments, and promotes quality practices. Mentors junior engineers and collaborates with product and engineering teams on acceptance criteria and release quality. Applies AI-assisted tools for test generation, debugging, defect analysis, and automation optimization.

Perform hands-on functional and exploratory testing of Veeam products. Analyze software requirements, evaluate test results, communicate with development teams, and maintain the defect database. The role requires understanding Windows or Linux, networking fundamentals, strong attention to detail, logical thinking, and motivation to grow in software quality assurance.

Leads QA strategy and scalable automation across UI, API, and end-to-end testing. Builds regression and functional suites, integrates quality gates into CI/CD pipelines, validates enterprise workflows and financial transactions, translates requirements into acceptance criteria, and partners with stakeholders on UAT and quality alignment.

Own quality for web, mobile, API, AI-powered, and traditional features. Design and execute deterministic and evaluation-based tests, validate AI outputs for accuracy, safety, robustness, and relevance, perform manual and regression testing, document defects, and help establish QA practices for emerging AI technologies.

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.

Build and lead quality engineering for a multi-tenant AI platform. Responsibilities include creating API, UI, backend, performance, security, and database automation; integrating tests into CI/CD; validating cloud and Kubernetes deployments; ensuring tenant isolation and compliance evidence; defining QA standards and release processes; mentoring engineers; and communicating quality risks. Preferred experience includes testing AI/LLM applications, financial systems, observability, chaos engineering, and startup environments.

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 manual and automated testing, documents defects, communicates findings to teams and clients, and supports continuous improvements to verification processes. The role requires familiarity with operating systems, programming languages, databases, version control, cloud technologies, APIs, and build tools.

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.

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.

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.

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 verification using SOQL. Integrates test suites into Git-based CI/CD pipelines while ensuring secure, reliable synchronization of DevOps data and Salesforce metadata.

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.

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.

Configure, test, troubleshoot, and maintain Clearion web and mobile application solutions. Collaborate with Product, Engineering, Business Analysts, QA, and Customer Success teams to validate requirements, improve reusable configurations, document solutions, and meet project deadlines. The role requires functional and regression testing, web technologies, SQL, Agile experience, stakeholder communication, and independent task management.

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.