Senior Manual Tester – Web and Backend Systems

🏢 Summary: Senior Manual Tester role in a large-scale electric mobility and energy platform, focused on validating complex backend flows and integrations within a microservice-based ecosystem. The position involves integration, system, UAT, and end-to-end testing across Scandinavian markets, ensuring high quality and stability of critical charging, energy, and e-commerce services. 🗂️ Requirements: Minimum 5 years of experience in software testing, Experience in backend testing in microservice-based architectures, Hands-on API testing experience, Experience with messaging systems and asynchronous flows, Practical knowledge of test and defect management tools, Ability to work with SQL databases, logs, and request tracing, Understanding of SDLC and Agile methodologies, Fluent Polish and English, Residence in Poland 📃 Skills: API, Postman, Swagger, AWS, SNS, SQS, SQL, Jira, TestRail, Xray, REST, HTTP, Microservices, Agile, ISTQB 🏢 Description: We are looking for a Senior Manual Tester to support a team of a global company operating in the electric mobility and energy domain. The project focuses on building and operating a platform that supports public charging services, energy solutions, and e-commerce functionalities across Scandinavian markets (Sweden, Norway, Denmark). The team works on a modern, microservice-based ecosystem enabling large-scale integrations, complex backend flows, and end-to-end customer journeys in the area of electric mobility and energy services. Your tasks Planning and executing integration, system, and usability testing Participating in end-to-end and UAT testing activities Validating complex backend flows across multiple microservices and integrations Collaborating with developers to understand critical paths and ensure product stability Strengthening cooperation with other development teams Working closely with cross-functional and cross-team stakeholders to improve overall product quality Requirements At least 5 years of experience in software testing, including planning, execution, and evaluation of tests Strong background in backend testing within microservice-based, asynchronous, and event-driven architectures Hands-on practice with API testing (Postman, Swagger), messaging flows (AWS SNS/SQS), and validation of data across integrated services Practical knowledge of test and defect management tools such as Jira, TestRail, and Xray Confidence in working with SQL databases, logs, and request tracing to ensure end-to-end quality Solid understanding of the software development lifecycle and Agile testing approaches Ability to communicate effectively and collaborate with multiple development and cross-functional teams Fluent Polish and English, both written and spoken Residing in Poland required Nice-to-have requirements Previous work in automation testing of mobile and web applications Knowledge of REST API standards, HTTP protocols, and API contract validation Experience or domain knowledge related to card payments or card management ISTQB Foundation Level and/or ISTQB Advanced Level Test Analyst certification What we offer Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022 Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more Comfortable workplace – class A offices or remote work Dozens of fascinating projects for prestigious brands from all over the world PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers Investment in your growth – meetups, webinars, training platform and technology blog – you choose Fantastic atmosphere created by all Sii Power People If you want to work on systems with high operational significance — apply now!

🏢 Summary: Manual Tester role focused on mortgage systems and credit risk assessment, covering both frontend and backend testing. The position involves designing and executing manual integration and system tests, validating REST APIs, and working with databases and logs in an Agile environment. 🗂️ Requirements: Minimum 3 years of experience in manual testing, Knowledge of mortgage products, Knowledge of credit risk assessment processes, Ability to design integration and system test scenarios based on requirements, Experience in testing REST APIs, Basic knowledge of SQL and working with databases, Experience with log analysis tools, Practical experience in Agile/Scrum, Experience with Jira and Confluence 📃 Skills: ManualTesting, REST, Postman, Swagger, SQL, Kibana, Jira, Confluence, Scrum, Frontend, Backend, API, Mortgage, CreditRisk 🏢 Description: Senior Manual Tester We are looking for an analytical and diligent Manual Tester to strengthen the team in the area of mortgage systems and credit risk assessment. If you feel confident testing both frontend and backend, and the world of credit processes holds no secrets for you – apply now! 🎯 Your Profile (Requirements): Experience: At least 3 years in manual testing. Domain Knowledge: Essential knowledge of mortgage products and credit risk assessment processes. Testing Toolkit: Ability to design test scenarios (integration/system) based on requirements analysis. Backend: Proficiency in testing REST APIs (Postman / Swagger). Data & Logs: Basic knowledge of SQL (working with databases) and log analysis tools (e.g., Kibana). Methodology: Practical experience in Agile/Scrum software development. 📋 Your Responsibilities (Expectations): Conducting comprehensive manual tests (Frontend & Backend). Performing exploratory testing to uncover non-standard defects. Active collaboration with the development team within Sprints. Working with JIRA and Confluence. Analytical thinking, diligence, and the ability to work under time pressure. ⭐ Nice to have: ISTQB Foundation Level or Agile Tester certification. 🛠️ Project Tech Stack: Manual Testing: Frontend & Backend API: Postman, Swagger Monitoring: Kibana DB: SQL Management: Jira, Confluence Methodology: Scrum This role is not perfectly suited for you, but you have a friend who would fit? Recommend your friend and get up to 5000 zł! Referral Program: Talent from your network

🏢 Summary: Senior Manual Tester role in a hybrid setup focused on manual testing for web and mobile applications within Agile/Scrum teams. The position involves designing and executing test cases, defect management, API testing, and collaboration with automation testers to ensure high-quality delivery. 🗂️ Requirements: 8+ years of QA experience, Experience in Agile environments, Hands-on web testing experience, Hands-on mobile testing experience, Experience with BrowserStack or similar platforms, API testing experience, Knowledge of Postman, Knowledge of Swagger, Familiarity with qTest or similar tools, Familiarity with Jira, Familiarity with Confluence, ISTQB certification, Strong analytical and problem-solving skills, Excellent communication skills, Ability to work in international teams 📃 Skills: QA, Agile, Scrum, BrowserStack, Postman, Swagger, qTest, Jira, Confluence, ISTQB, API, Web, Mobile 🏢 Description: Senior Manual Tester Location: Gdańsk hybrid 2 times a week Responsibilities Design and execute test cases and test scenarios. Perform manual testing and manage defects throughout their lifecycle. Analyze test results and recommend improvements. Collaborate with Automation Testers to ensure effective test coverage. Work closely with Agile/Scrum teams to deliver high-quality solutions. Requirements 8+ years of QA experience, preferably in Agile environments. Hands-on experience with web and mobile testing. Experience with BrowserStack or similar cloud testing platforms. API testing using Postman and Swagger. Familiarity with qTest (or similar), Jira, and Confluence. ISTQB Certified. Strong QA, analytical, and problem-solving skills. Excellent communication skills and ability to work in international teams. Fast learner with a proactive attitude.

🏢 Summary: Senior Automation Test Engineer / Quality Engineer role focused on building and optimizing automated testing for back-end systems and mobile applications (iOS/Android) in a hybrid Krakow-based setup. The position drives quality initiatives, performance testing, and automation framework improvements while mentoring team members and collaborating with cross-functional teams. 🗂️ Requirements: 4+ years experience in automation or quality engineering, Proficiency in Java and Appium, Experience with mobile testing (iOS/Android), Experience with API and database testing, Experience with manual testing, Experience with performance testing tools, Ability to create and maintain test plans and strategies, Experience with CI/CD pipelines, Experience with version control systems, Fluent English, Legal right to work in the EU 📃 Skills: Java, Appium, JMeter, LoadRunner, REST, RESTAssured, SQL, Jenkins, Git, iOS, Android, CI/CD 🏢 Description: Unleash Innovation — Shape the Future of Quality Engineering! Krakow-based opportunity with hybrid work model. As a Senior Automation Test Engineer / Quality Engineer , you will be working for our client, a forward-thinking leader in technology solutions dedicated to elevating product quality through innovative testing strategies. This role is pivotal in driving seamless testing processes and nurturing a culture of excellence across the organization. Your main responsibilities: Develop and maintain automated test scripts targeting back-end systems and mobile applications (iOS/Android). Perform manual testing to validate critical functionalities and ensure comprehensive coverage. Create and maintain detailed test plans and strategies aligned with project requirements. Drive quality initiatives by defining metrics, optimizing workflows, and implementing best practices. Mentor and upskill the testing team, fostering a culture of continuous improvement. Conduct performance testing (e.g., JMeter, LoadRunner) and back-end testing (e.g., REST Assured). Optimize automation frameworks and adopt new testing tools and technologies. Collaborate with cross-functional teams to refine test strategies and ensure clear communication. You're ideal for this role if you have: 4+ years of experience as a Senior Automation Test Engineer or Quality Engineer. Strong proficiency in Java, Appium, and performance testing tools. Expertise in mobile app testing (iOS/Android), API/database testing, and manual testing. Experience in creating and maintaining test plans and strategies. Leadership skills to mentor teams and drive quality initiatives. Familiarity with CI/CD pipelines (e.g., Jenkins) and version control (e.g., Git). Excellent communication and problem-solving skills. It is a strong plus if you have: Certifications in testing or automation tools (optional). Language Required for the role: Fluent in English, with excellent communication skills. Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

🏢 Summary: Mid-Level Manual Tester role focused on ensuring data integrity and quality through manual testing of database-driven systems in a remote work model. The position involves validating data, executing SQL queries, and working within Linux environments to support reliable technology delivery. It offers growth at the intersection of testing, databases, and system-level operations. 🗂️ Requirements: Minimum 2 years of experience in manual testing, Basic knowledge of SQL, Experience working with databases, Familiarity with Linux operating systems, Ability to execute and document manual test cases, Good command of Polish, Legal right to work in the European Union 📃 Skills: SQL, Linux, Databases, ManualTesting, DataValidation, TestDocumentation 🏢 Description: Unleash meticulous precision — shape the future of quality assurance! Warsaw-based opportunity with a fully remote work model (5 days per week). As a Mid-Level Manual Tester , you will be working for our client, a leading industry player dedicated to delivering excellence through robust testing and data management solutions. You will contribute to ensuring the integrity and accuracy of critical data systems, supporting high-quality technology delivery in a dynamic environment. This role offers the chance to grow your skills at the intersection of testing, database management, and Linux environments. Your main responsibilities: Execute manual testing processes focusing on database verification and data integrity. Search, retrieve, and create data within databases to support testing and validation tasks. Utilize basic SQL commands to query and manipulate data effectively. Work with Linux systems to navigate and perform testing tasks efficiently. Collaborate with the development team to identify and document testing issues. Maintain detailed test documentation and report findings clearly and accurately. Support continuous improvement of testing procedures and methodologies. You're ideal for this role if you have: At least 2 years of experience in manual testing or similar roles. Basic knowledge of SQL and experience working with databases. Familiarity with Linux operating systems. Strong attention to detail and technical focus. Good organizational and communication skills. Ability to work remotely in a disciplined and proactive manner. It is a strong plus if you have: (optional) Experience in database management or querying beyond basic SQL. Knowledge of scripting or automation tools. Certification in testing or related areas. Language Required for the role: Polish (good command) Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data. Internal number #8891

🏢 Summary: On-site Manual Tester role in Warsaw focused on ensuring the quality and reliability of digital applications through comprehensive manual testing. The position involves designing and executing test cases, tracking defects, and collaborating with development teams to maintain high product standards. You will contribute to test planning and continuous improvement of testing processes. 🗂️ Requirements: Minimum 3 years of experience in manual software testing, Strong knowledge of testing methodologies, Experience with test case management tools, Experience with defect tracking tools, Knowledge of testing standards and quality metrics, Ability to create and maintain technical documentation in English, Fluent English, Legal right to work in Europe 📃 Skills: ManualTesting, TestCases, DefectTracking, TestManagement, QualityMetrics, ISTQB, Automation, Scripting 🏢 Description: Empower quality assurance — shape the reliability of tomorrow’s digital solutions. Warszawa-based opportunity with on-site work model. As a Manual Tester , you will be working for our client, a leading player in the software quality industry. You will contribute to ensuring the robustness and functionality of cutting-edge digital applications, supporting ongoing innovation and excellence in product delivery. Your main responsibilities: Design, develop, and execute manual test cases based on specified requirements. Identify, document, and track bugs or issues, collaborating closely with development teams. Verify fixes and validate the quality of deliverables to meet high standards. Contribute to test planning, strategizing testing activities, and improving testing processes. Document testing procedures, results, and reports to facilitate continuous improvement. You're ideal for this role if you have: At least 3 years of experience in manual software testing. Solid understanding of testing methodologies, test case management, and defect tracking tools. Strong attention to detail and analytical skills to identify software issues effectively. Knowledge of testing standards, best practices, and quality metrics. Good communication skills in English, comfortable with technical documentation. It is a strong plus if you have: (optional) Experience with automation tools and scripting languages. Certifications such as ISTQB Foundation Level. Language Required for the role: Fluent in English, with excellent communication skills. Eligibility for the role: Only candidates with an existing legal right to work in Europe will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

🏢 Summary: Senior C# Automation Tester role for a financial platform focused on debt management systems, with a remote work model based in Wroclaw. The position involves designing and automating tests for distributed systems, validating integrations, and maintaining CI/CD workflows in a modern microservices environment. 🗂️ Requirements: 6+ years of QA or testing experience, 2+ years in a senior testing role, Experience with distributed systems and microservices, Knowledge of asynchronous messaging, Proficiency in C# and .NET 10, Experience with xUnit, Experience with Cypress or Playwright, Experience with CI/CD pipelines, Knowledge of SQL and PostgreSQL, Experience with Docker or Kubernetes, Experience testing REST APIs, Understanding of event-driven architectures, Knowledge of Agile methodologies, Understanding of Domain-Driven Design, Good command of Polish, Legal right to work in the European Union 📃 Skills: C#, .NET, xUnit, Cypress, Playwright, REST, SQL, PostgreSQL, Docker, Kubernetes, GitLab, GitHub, Grafana, Jira, Xray, JMeter, k6, HTML, CSS, JavaScript 🏢 Description: Ignite the future of quality assurance — drive innovation through cutting-edge testing excellence! Wroclaw-based opportunity with remote work model. As a Senior C# Automation Tester, you will be working for a client developing advanced financial ecosystems. You will help build and ensure the reliability of a critical component within a new platform designed to streamline debt management processes across multiple markets. Your main responsibilities: - Develop and execute comprehensive test scenarios for functional, regression, and integration testing in a complex, distributed environment. - Collaborate with developers and Product Owners to define testing strategies aligned with domain-driven design (DDD). - Automate test cases for UI, API, and end-to-end processes using Cypress, Playwright, and related frameworks. - Validate system integrations and message-driven architectures using REST API testing and messaging queues. - Maintain and enhance CI/CD pipelines using GitLab CI/CD and GitHub Actions. - Monitor system performance and reliability using Grafana dashboards. - Contribute to continuous improvement initiatives by analyzing requirements and recommending quality standards. - Support the team with test management tools such as Jira and Xray. You're ideal for this role if you have: - 6+ years of experience as a Tester or QA Engineer, including at least 2 years in a senior role. - Strong background in testing distributed systems, microservices, and asynchronous messaging. - Practical knowledge of C#, .NET 10, xUnit, and automation tools like Cypress or Playwright. - Experience with test automation frameworks and CI/CD pipelines. - Familiarity with SQL, PostgreSQL, and container technologies such as Docker or Kubernetes. - Hands-on experience in testing REST APIs and event-driven architectures. - Solid understanding of Agile and Domain-Driven Design methodologies. It is a strong plus if you have: - Knowledge of Docker, Kubernetes, or OCP. - Experience with performance testing tools like JMeter or k6. - Web development skills (HTML, CSS, JavaScript). - Practical knowledge of BDD practices and AI-powered testing tools. Language required for the role: - Good command of Polish. Eligibility for the role: - Only candidates with an existing legal right to work in the European Union will be considered for this role. Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

🏢 Summary: Senior C# Automation Tester role focused on building and ensuring quality of a distributed, debt management platform within a financial ecosystem. The position involves designing and automating comprehensive tests across UI, API, and integration layers while supporting CI/CD and system reliability. You will work in a complex microservices environment to deliver scalable, resilient solutions through advanced test automation practices. 🗂️ Requirements: 6+ years of experience in QA or testing, including 2+ years in a senior role, Strong experience testing distributed systems and microservices, Hands-on experience with C# and .NET, Practical knowledge of xUnit and test automation frameworks, Experience automating UI, API, and end-to-end tests, Experience testing REST APIs and asynchronous messaging systems, Experience with CI/CD pipelines, Knowledge of SQL and PostgreSQL, Experience with Docker or Kubernetes, Understanding of Agile and Domain-Driven Design, Good command of Polish, Legal right to work in the European Union 📃 Skills: CSharp, NET, xUnit, Cypress, Playwright, REST, SQL, PostgreSQL, Docker, Kubernetes, GitLab, GitHub, Grafana, Jira, Xray, Microservices, CICD, DDD, Agile 🏢 Description: Ignite the future of quality assurance — drive innovation through cutting-edge testing excellence! Wroclaw-based opportunity with remote work model. As a Senior C# Automation Tester , you will be working for our client, a leader in developing advanced financial ecosystems. You will help build and ensure the reliability of a critical component within a new, innovative platform designed to streamline debt management processes across multiple markets. Join us in shaping scalable, resilient systems that empower financial services through top-tier quality assurance and automation. Your main responsibilities: Develop and execute comprehensive test scenarios for functional, regression, and integration testing in a complex, distributed environment. Collaborate with developers and Product Owners to define testing strategies aligned with domain-driven design (DDD). Automate test cases for UI, API, and end-to-end processes, employing tools like Cypress, Playwright, and related frameworks. Validate system integrations and message-driven architectures using REST API testing and messaging queues. Maintain and enhance CI/CD pipelines using GitLab CI/CD and GitHub Actions for seamless automation workflows. Monitor system performance and reliability using Grafana dashboards, ensuring key performance indicators are met. Contribute to continuous improvement initiatives by proactively analyzing requirements and recommending quality standards. Support the team with expertise in test management tools such as Jira + Xray, ensuring traceability and thorough documentation. You're ideal for this role if you have: 6+ years of experience as a Tester or QA Engineer, with at least 2 years in a senior role. Strong background in testing distributed systems, microservices, and asynchronous messaging. Practical knowledge of C#, .NET 10, xUnit, and automation tools like Cypress or Playwright. Experience with test automation frameworks and CI/CD pipelines. Familiarity with SQL, PostgreSQL, and container technologies such as Docker or Kubernetes. Hands-on experience in testing REST APIs and event-driven architectures. Solid understanding of Agile and Domain-Driven Design methodologies. It is a strong plus if you have: (optional) Knowledge of Docker, Kubernetes, or OCP. Experience with performance testing tools like JMeter or k6. Web development skills (HTML, CSS, JavaScript). Practical knowledge of BDD practices and AI-powered testing tools. Language required for the role: Good command of Polish. Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

🏢 Summary: Senior C# Automation Tester role focused on building and automating quality assurance processes for a distributed financial platform supporting debt management across multiple markets. The position involves designing and executing automated tests for UI, API, and integration layers while maintaining CI/CD pipelines and validating microservices and messaging architectures. This is a Wroclaw-based opportunity with a remote work model, targeting experienced QA engineers in complex, domain-driven environments. 🗂️ Requirements: 6+ years of experience as Tester or QA Engineer, Minimum 2 years in senior QA role, Experience testing distributed systems and microservices, Experience with asynchronous messaging systems, Strong knowledge of C# and .NET 10, Practical experience with xUnit, Experience with Cypress or Playwright, Experience with CI/CD pipelines, Experience testing REST APIs, Knowledge of SQL and PostgreSQL, Familiarity with Docker or Kubernetes, Understanding of Agile methodology, Understanding of Domain-Driven Design (DDD), Good command of Polish, Legal right to work in the European Union 📃 Skills: C#, .NET, xUnit, Cypress, Playwright, REST, SQL, PostgreSQL, Docker, Kubernetes, GitLab, GitHub, Grafana, Jira, Xray, JMeter, k6, HTML, CSS, JavaScript 🏢 Description: Ignite the future of quality assurance — drive innovation through cutting-edge testing excellence! Wroclaw-based opportunity with remote work model. As a Senior C# Automation Tester , you will be working for our client, a leader in developing advanced financial ecosystems. You will help build and ensure the reliability of a critical component within a new, innovative platform designed to streamline debt management processes across multiple markets. Join us in shaping scalable, resilient systems that empower financial services through top-tier quality assurance and automation. Your main responsibilities: Develop and execute comprehensive test scenarios for functional, regression, and integration testing in a complex, distributed environment. Collaborate with developers and Product Owners to define testing strategies aligned with domain-driven design (DDD). Automate test cases for UI, API, and end-to-end processes, employing tools like Cypress, Playwright, and related frameworks. Validate system integrations and message-driven architectures using REST API testing and messaging queues. Maintain and enhance CI/CD pipelines using GitLab CI/CD and GitHub Actions for seamless automation workflows. Monitor system performance and reliability using Grafana dashboards, ensuring key performance indicators are met. Contribute to continuous improvement initiatives by proactively analyzing requirements and recommending quality standards. Support the team with expertise in test management tools such as Jira + Xray, ensuring traceability and thorough documentation. You're ideal for this role if you have: 6+ years of experience as a Tester or QA Engineer, with at least 2 years in a senior role. Strong background in testing distributed systems, microservices, and asynchronous messaging. Practical knowledge of C#, .NET 10, xUnit, and automation tools like Cypress or Playwright. Experience with test automation frameworks and CI/CD pipelines. Familiarity with SQL, PostgreSQL, and container technologies such as Docker or Kubernetes. Hands-on experience in testing REST APIs and event-driven architectures. Solid understanding of Agile and Domain-Driven Design methodologies. It is a strong plus if you have: (optional) Knowledge of Docker, Kubernetes, or OCP. Experience with performance testing tools like JMeter or k6. Web development skills (HTML, CSS, JavaScript). Practical knowledge of BDD practices and AI-powered testing tools. Language required for the role: Good command of Polish. Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

🏢 Summary: Senior C# Automation Tester role focused on building and automating quality assurance for a distributed, debt management platform within a financial ecosystem. The position involves designing and executing automated tests across UI, API, and integration layers while ensuring system reliability and performance. The role combines hands-on test automation with CI/CD pipeline maintenance in a microservices-based environment. 🗂️ Requirements: 6+ years experience in testing or QA engineering, Minimum 2 years in senior testing role, Experience testing distributed systems and microservices, Experience with asynchronous messaging systems, Strong knowledge of C# and .NET, Hands-on experience with xUnit, Experience with Cypress or Playwright, Experience building and maintaining CI/CD pipelines, Experience testing REST APIs, Experience with event-driven architectures, Knowledge of SQL and PostgreSQL, Experience with Docker or Kubernetes, Understanding of Agile methodologies, Understanding of Domain-Driven Design, Good command of Polish, Legal right to work in the European Union 📃 Skills: C#, .NET, xUnit, Cypress, Playwright, SQL, PostgreSQL, Docker, Kubernetes, REST, GitLab, GitHub, Grafana, Jira, Xray 🏢 Description: Ignite the future of quality assurance — drive innovation through cutting-edge testing excellence! Wroclaw-based opportunity with remote work model. As a Senior C# Automation Tester , you will be working for our client, a leader in developing advanced financial ecosystems. You will help build and ensure the reliability of a critical component within a new, innovative platform designed to streamline debt management processes across multiple markets. Join us in shaping scalable, resilient systems that empower financial services through top-tier quality assurance and automation. Your main responsibilities: Develop and execute comprehensive test scenarios for functional, regression, and integration testing in a complex, distributed environment. Collaborate with developers and Product Owners to define testing strategies aligned with domain-driven design (DDD). Automate test cases for UI, API, and end-to-end processes, employing tools like Cypress, Playwright, and related frameworks. Validate system integrations and message-driven architectures using REST API testing and messaging queues. Maintain and enhance CI/CD pipelines using GitLab CI/CD and GitHub Actions for seamless automation workflows. Monitor system performance and reliability using Grafana dashboards, ensuring key performance indicators are met. Contribute to continuous improvement initiatives by proactively analyzing requirements and recommending quality standards. Support the team with expertise in test management tools such as Jira + Xray, ensuring traceability and thorough documentation. You're ideal for this role if you have: 6+ years of experience as a Tester or QA Engineer, with at least 2 years in a senior role. Strong background in testing distributed systems, microservices, and asynchronous messaging. Practical knowledge of C#, .NET 10, xUnit, and automation tools like Cypress or Playwright. Experience with test automation frameworks and CI/CD pipelines. Familiarity with SQL, PostgreSQL, and container technologies such as Docker or Kubernetes. Hands-on experience in testing REST APIs and event-driven architectures. Solid understanding of Agile and Domain-Driven Design methodologies. It is a strong plus if you have: (optional) Knowledge of Docker, Kubernetes, or OCP. Experience with performance testing tools like JMeter or k6. Web development skills (HTML, CSS, JavaScript). Practical knowledge of BDD practices and AI-powered testing tools. Language required for the role: Good command of Polish. Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.