.
Senior Performance Tester
  • Łódź
Senior Performance Tester
Łódź, Łódź, Łódź Voivodeship, Polska
HAPPY TEAM
12. 12. 2025
Informacje o stanowisku

technologies-expected :


  • JMeter
  • Microsoft Azure

technologies-optional :


  • Docker
  • Kubernetes

about-project :


  • We are looking for Senior Performance Tester who is going to support one of our biggest clients - Royal Mail Group. It’s another milestone for our growing relationship with this client.

responsibilities :


  • Design, execute, and maintain performance tests (load, stress, soak) for key system components.
  • Develop and manage test scripts using Apache JMeter.
  • Model performance scenarios reflecting real user workloads (e.g., transactions per second – TPS).
  • Execute and optimize performance tests in Microsoft Azure cloud environments.
  • Monitor system metrics (CPU, memory, network) using Azure-native tools and dashboards.
  • Analyze test results, identify performance bottlenecks, and propose improvements.
  • Prepare detailed reports with findings, recommendations, charts, and KPIs.
  • Collaborate with development, architecture, and DevOps teams to support performance-related improvements.

requirements-expected :


  • Solid experience in performance testing for enterprise-scale systems.
  • Expertise with JMeter for load and performance testing.
  • Scripting/programming skills
  • Hands-on experience running performance tests in Microsoft Azure.
  • Good understanding of performance metrics
  • Strong analytical and troubleshooting skills.
  • Ability to clearly communicate findings and work effectively with cross-functional teams.
  • Experience documenting performance results and recommendations.

offered :


  • Flexible and fully-remote job.
  • B2B contract.
  • Health insurance.
  • English lessons.
  • Happy initiatives, e.g. birthday fundraiser for the charity of your choice.
  • Financial bonus for first-time parents.
  • Funds for office space rental where you live.
  • Multisport card.
  • Training budget and space for knowledge-sharing.
  • Happy Trips (company retreats) twice a year.
  • Defined goals, informal atmosphere and Happy Team support.

benefits :


  • sharing the costs of sports activities
  • private medical care
  • sharing the costs of foreign language classes
  • sharing the costs of professional training & courses
  • integration events
  • extra social benefits
  • employee referral program
  • charity initiatives

  • Praca Łódź
  • Tester Łódź
  • Łódź - Oferty pracy w okolicznych lokalizacjach


    125 008
    18 328