Senior QA Engineer (C#)

Unleash the future of quality assurance - drive innovation through testing excellence! 100 % remote As a Senior QA Engineer, 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: • At least 4 years of experience as a Tester or QA Engineer, with a minimum of 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 methodologies and Domain-Driven Design (DDD). 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 #8990