Senior C# Automation Tester – Distributed Systems

Unleash the future of quality assurance — drive innovation through cutting-edge testing excellence!

Wroclaw-based opportunity with remote work model.

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.
• This role has a strong focus on API testing, backend, and integration testing between systems.
• 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:

• 4+ 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.
• Extensive experience with API testing, backend, and integration testing between systems.
• 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.