Senior Automation QA Engineer

HYBRID MODE: 3 DAYS FROM THE OFFICE IN KRAKOW OR WROCLAW) Project Description: Join our Market Connectivity team, focused on building and maintaining ultra-low latency trading systems and exchange connectivity solutions for global financial markets. As a Senior Automation QA Engineer, you will play a key role in ensuring the quality, reliability, and performance of high-throughput applications operating in a high-performance computing environment, developing automated testing solutions that support critical trading and market data workflows. Responsibilities: • Design test strategies and automation approaches for low-latency trading platforms and exchange connectivity solutions • Develop, maintain, and enhance automated test frameworks and test suites using Python • Create automated API, integration, end-to-end, and regression tests for trading and market connectivity workflows • Validate exchange connectivity, market data flows, and order processing across global trading venues • Verify the functional correctness, reliability, and performance of trading gateways and market access components • Analyze business requirements and latency-sensitive trading workflows to ensure effective test coverage • Investigate test failures, perform root cause analysis, and collaborate closely with developers to resolve issues • Integrate automated tests into CI/CD pipelines and contribute to the quality, stability, and production readiness of trading systems Mandatory Skills Description: • Strong experience in software testing with a solid understanding of test automation principles and best practices • Hands-on experience in Python development for test automation • Experience designing, developing, and maintaining automated test frameworks and test suites • Strong knowledge of API, integration, end-to-end, and regression testing • Hands-on experience with PyTest, Playwright, Selenium, or similar automation frameworks • Experience testing distributed, real-time, or high-performance systems • Good understanding of market connectivity, market data flows, exchange integrations, or trading workflows • Experience with CI/CD pipelines, Git, and modern software delivery practices • Good knowledge of SQL and database testing techniques • Strong troubleshooting, debugging, and root-cause analysis skills Nice-to-Have Skills Description: • Experience with Investment Banking, Capital Markets, Electronic Trading, or Market Connectivity solutions • Experience with performance and latency testing of high-throughput distributed systems • Knowledge of messaging and streaming technologies such as Kafka, Solace, or IBM MQ • Experience with Azure DevOps, Jenkins, or other CI/CD platforms • Good understanding of Linux/Unix environments and containerization technologies such as Docker Languages: English: B2 Upper Intermediate