Load and Performance Test Engineer (m/fd) || FlexHub

📢 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.

Your main tasks are:

• 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)

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

What we offer?

Of course, we offer Development Plans for employees, Life insurance, flexible working hours, integration events and much more 😎

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🚩 Please add the following clause to your application:
1. I consent to the processing of personal data contained in this document by Commerzbank AG with its registered office in Frankfurt am Main, Germany, 60261 Kaiserplatz, operating through the Branch in Poland with its registered office in Łódź, 91-203 Łódź, ul. Wersalska 6, KRS 0000631053, for the implementation of the current recruitment process and for the future recruitment for a period of 6 months, in accordance with the Regulation of the European Parliament and of the Council (EU) 2016/679 of 27 April 2016 on the protection of individuals with regard to the processing of personal data the free flow of such data and the repeal of Directive 95/46 / EC (RODO) and in accordance with the Act of 10 May 2018 on the protection of personal data (Journal of Laws of 2018, item 1000). I provided my personal data voluntarily and I declare that they are truthful. I have the right to withdraw this consent at any time. The withdrawal of consent shall not affect the lawfulness of processing based on consent before its withdrawal.

2. I have read the content of the information clause, including information about the purpose and methods of processing personal data and the right to access to my personal data and about the right to correct, rectify and delete it.