Load and Performance Test Engineer m/fd FlexHub, ŁÓDŹ

What is important for us? 👌

• Minimum 2–4 years of experience in performance testing
• Practical knowledge of LoadRunner (VuGen, Controller, Analysis)
  Ability to create and debug scripts (C / JavaScript / other languages supported by LoadRunner)
• Understanding of protocols: HTTP/HTTPS, REST API, SOAP
• Experience analyzing system metrics (CPU, RAM, DB, network)
• Knowledge of monitoring tools (e.g., Dynatrace, AppDynamics, Grafana — an asset)
• Ability to work with logs and analyze root causes of performance issues
• Basic SQL knowledge
• Fluency in English and Polish at a minimum B2 level

Nice to Have

• Experience integrating performance tests with CI/CD pipelines (e.g., Jenkins, GitHub Actions)
• Familiarity with alternative tools (e.g., JMeter, Gatling, k6)
• Experience working in cloud environments (Azure / AWS)
• Knowledge of system architecture (microservices, event-driven)
• Experience in the financial or banking sector

📢 Join our FlexHub team as a Load and Performance Test Engineer! 📢

What is FlexHub?

We are Commerzbank's internal delivery capability – a team of engineers, architects, analysts and experts working directly with business units. Unlike external consultancies, we are colleagues who stay. Based in Frankfurt, Sofia, and Łódź, we drive high-priority initiatives while building internal expertise that lasts.

We are seeking a Load & Performance Tester to support our development teams in ensuring high performance and stability of our systems. The person in this role will be responsible for planning, preparing, and executing performance tests using Micro Focus LoadRunner, as well as analyzing results and recommending improvements.

,[Designing and conducting performance tests (load, stress, endurance), Creating and maintaining test scripts in LoadRunner (VuGen), Preparing test scenarios in LoadRunner Controller, Monitoring systems during tests (APM, logs, metrics), Analyzing test results and identifying bottlenecks, Preparing reports and optimization recommendations, Collaborating with development, architecture, and DevOps teams, Participating in test planning in the context of release changes, Supporting automation of performance tests (CI/CD)] Requirements: Test automation, HTTP, CI/CD Additionally: Sport subscription, Training budget, Private healthcare, Lunch card, International projects, E-learning platform (mindtools), Free coffee, Bike parking, Shower, Modern office, No dress code.