June 27, 2026
Senior C# Automation Tester – Distributed Systems
Senior • Remote
19,950 - 22,050 PLN
Wroclaw, DS, Poland
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.
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Hybrid
Warsaw, Poland
🏢 Summary: Senior Test Automation Engineer role focused on designing and developing automated API tests for banking system integrations using a C#-based framework. The position involves ensuring quality of system integrations, maintaining regression test suites, and collaborating within an Agile team. The role includes improving the existing test framework and working with CI/CD and modern integration technologies. 🗂️ Requirements: Minimum 2 years of experience in API test automation, Minimum 2 years of programming experience in C# or Java, Experience testing REST API and system integrations, Experience with automated testing frameworks and writing test code, Experience working in Agile/Scrum environment, Experience maintaining regression test suites, Experience analyzing and reporting defects, Practical knowledge of SQL for data verification, Knowledge of XML and JSON for API response validation, Experience with CI/CD tools, Experience with Git and Jira, Knowledge of SDLC/STLC processes 📃 Skills: C#, Java, REST, API, SQL, XML, JSON, Git, Jira, Bamboo, Jenkins, Kafka, IBM, MQ, CI/CD, Agile, Scrum, SDLC, STLC 🏢 Description: Dla naszego klienta z sektora finansowego poszukujemy Senior Test Automation Engineera, który dołączy do zespołu odpowiedzialnego za zapewnienie jakości integracji pomiędzy systemami bankowymi. Osoba na tym stanowisku będzie projektować i rozwijać automatyczne testy API w oparciu o framework C#, współpracując z zespołem Agile nad utrzymaniem wysokiej jakości dostarczanych rozwiązań. Jeśli masz doświadczenie w automatyzacji testów API, testowaniu integracji systemów oraz pracy z narzędziami CI/CD - ta rola może być dla Ciebie. Twoje zadania Projektowanie i implementacja automatycznych przypadków testowych dla integracji systemów w frameworku testowym opartym o C# Współtworzenie planu testów oraz podejścia do zapewnienia jakości w zespole Aktywna współpraca z zespołem Agile w celu zapewnienia wysokiej jakości dostarczanych rozwiązań Monitorowanie i utrzymanie istniejących pakietów testów regresyjnych Analiza, debugowanie oraz raportowanie defektów Monitorowanie i dokumentowanie wyników testów Rekomendowanie odpowiednich działań na podstawie wyników testów Rozwiązywanie bieżących problemów i przeszkód w pracy zespołu oraz zarządzanie ryzykiem Ulepszanie i rozwijanie istniejącego frameworku testowego Wymagania MUST-HAVE Minimum 2 lata doświadczenia w automatyzacji testów API Doświadczenie w testowaniu REST API oraz integracji między systemami Minimum 2 lata doświadczenia w programowaniu w C# lub Java ( preferowane C# ) Doświadczenie w pracy z frameworkami testów automatycznych oraz pisaniu kodu testowego Doświadczenie w pracy w środowisku Agile / Scrum Doświadczenie w utrzymaniu testów regresyjnych oraz analizie i raportowaniu defektów Obszar techniczny Znajomość XML oraz JSON (analiza i weryfikacja danych w odpowiedziach API) Praktyczna znajomość SQL (weryfikacja danych testowych) Doświadczenie w pracy z Git oraz Jira Doświadczenie z narzędziami CI/CD (Bamboo lub Jenkins) Doświadczenie z Apache Kafka lub IBM MQ ( Kafka będzie dużym atutem) Znajomość procesów testowych oraz cyklu życia oprogramowania (SDLC / STLC) Mile widziane Doświadczenie w branży bankowej / finansowej Certyfikat ISTQB Doświadczenie z narzędziami AI wspierającymi kodowanie (np. GitHub Copilot) Co oferujemy? Projekt w dużej, stabilnej instytucji finansowej Praca z nowoczesnymi technologiami integracyjnymi (Kafka, IBM MQ, REST API) w środowisku dużego banku Realny wpływ na jakość rozwiązań – nie tylko wykonywanie testów, ale współtworzenie podejścia do jakości w zespole Praca w środowisku Agile z doświadczonym zespołem Możliwość rozwijania i ulepszania frameworku testowego oraz wpływu na sposób pracy zespołu Stabilny projekt i długofalowa współpraca B2B Hybrydowy model pracy Lokalizacja: Warszawa, Gdańsk lub Gdynia Model pracy: Hybrydowy – praca z biura minimum 2 razy w tygodniu