Best Workplace 2019

Great Place To Work Great Place To Work Europe
Kuba, service
delivery manager

Performance Tester

Location: Kraków

The challenges waiting for you:

Testing Services Competency Center at SII - who are we?

Maybe you heard that we are the biggest test center in Poland. But did you know that we…

  • … have been recognized by the British Testing Magazine and ComputerWorld as top testing service provider?
  • … have over 60 local and international clients?
  • … are currently completing more than 100 projects?

We are looking for somebody to join one of our projects for a company from the financial industry where we are responsible for testing the performance of a robust trading system. In systems like that every second counts therefore emphasis on how the system is performing is huge (reaction times, managing a lot of users without performance decreasing, memory consumption) and performance tests are crucial. 



  • Supervising the technical aspects of Performance Testing
  • Reviewing and design of Test cases and Test concepts
  • Review test execution and test documentation
  • Analyze critical Performance / Load tests
  • Execute and plan performance tests

Required skills:

  • Experience in performance testing using JMeter
  • Expose, secure and manage backend applications, network systems or infrastructure via APIs  
  • Solid experience in API testing
  • Experience with performance monitoring tools, performance tuning
  • Experience in working on Finetuning/Load balancing/Config setup
  • Experience in preparing test scenarios for developed scripts
  • Experience in analyzing the reports and document the observations in order to identify bottlenecks

Why it's worth to join Sii?:

  • You will join the Leader. With over 4 000 specialists, Sii is actually the fastest growing, most successful & undisputed number 1 IT & Engineering services company in Poland!
  • You will work on challenging & fascinating international projects run for hundreds of prestigious customers from various sectors & industries
  • We will guarantee you many career development opportunities, facilitated by our Job changer application which allows you to change a project, the area of your activity or a place of work
  • You will cooperate with the best experts in talented & passionate teams on most advanced cutting-edge technologies
  • You will work in Great Place to Work company with amazing atmosphere and authentic values. You will meet new fantastic friends here!
  • We will support your personal dreams and initiatives within Passion Sponsorship Program and Power Volunteers Program
  • We will invite you to awesome integration meetings, interest groups and meetups
  • You will enjoy comfortable, top class, modernly designed offices in the best locations

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