Luxoft logo

Senior Automation QA Engineer with Python

Luxoft • Krakow, Lesser Poland Voivodeship, Poland

onsitefull-time
Posted Aug 26, 2026Apply by Sep 25, 2026

**Role & seniority: ** Senior Automation QA Engineer — Market Connectivity (ultra-low latency trading systems & exchange connectivity)

**Location & work type: ** Not specified (assumed onsite/hybrid/remote not provided); full-time—CI/CD integration implied

**Stack/tools: **

  • Python (test automation)

  • Testing frameworks: PyTest, Playwright, Selenium (or similar)

  • CI/CD: CI/CD pipelines (plus Git; tools such as Jenkins/Azure DevOps are nice-to-have)

  • Data: SQL

  • Nice-to-have: Kafka / Solace / IBM MQ, Azure DevOps, Jenkins, Linux/Unix, Docker

  • Top 3 responsibilities:

    1. Design test strategies and automation for low-latency trading platforms and exchange connectivity solutions.

    2. Build/maintain automated test frameworks and API/integration/end-to-end/regression test suites in Python.

    3. Validate exchange connectivity, market data flows, and order processing; perform root-cause analysis on test failures and integrate tests into CI/CD.

  • Must-have skills:

    • Strong test automation experience and principles/best practices

    • Hands-on Python for automation

    • Framework/suite design and maintenance

    • API, integration, end-to-end, regression testing proficiency

    • PyTest and/or Playwright/Selenium experience

    • Experience testing distributed/real-time/high-performance systems

    • Understanding of market connectivity/trading workflows/market data flows

    • CI/CD, Git, modern delivery practices

    • SQL and da

Full Description

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

Must have 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 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

PythonTest AutomationPyTestPlaywrightSeleniumAPI TestingIntegration TestingRegression TestingCI/CDSQLMarket ConnectivityLow-Latency SystemsGitRoot Cause AnalysisDistributed SystemsPerformance Testingmulti-location

Cookies & analytics consent

We serve candidates globally, so we only activate Google Tag Manager and other analytics after you opt in. This keeps us aligned with GDPR/UK DPA, ePrivacy, LGPD, and similar rules. Essential features still run without analytics cookies.

Read how we use data in our Privacy Policy and Terms of Service.