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Sii Poland

Performance Engineer

Sii Poland
Latvia · Full-time · Mid-Senior

As part of our Competency Center, there is one of the largest Performance Test Teams in Poland, whose members are using world leaders tools.

Engineers work in a wide range of tested technologies - from websites and API, through ERP technology, video streaming, to IoT. We are also pleased that they use elements of artificial intelligence in performance tests.

Our goal is to provide the highest quality of tests and achieve even the most demanding goals of our customers.

Would you like to raise your competences on a specially prepared training environment for difficult and inaccessible technologies, with mentor support?

Are you ready to work with high-end tools while not minding using free tools?

If you answer YES to the above questions, it means that you are looking at a job offer addressed to you.

Your tasks

  • Create innovative Next Generation Performance Tests using the Shift Left Approach
  • Test planning and implementing
  • Building a performance testing framework and environment
  • Preparing scripts using chosen tools (such as Locust, Gatling, K6)
  • Results collected using APM Tools
  • Building automated analysis mechanisms
  • Full process automation using CI/CD tools, APM tools, Performance Testing tools, and automated analysis.
  • Participation in demanding projects for clients from various sectors
  • Working with people who have many years of experience in conducting performance tests
  • Proposing performance indicators
  • Perform root cause analysis of performance problems

Requirements

  • At least 3 years of experience in performance testing
  • Experience in testing applications in the cloud (AWS and Azure)
  • Having competency to set up all load test environments in the Cloud, using AWS and Azure
  • Strong skills in using and maintaining virtualized environments based on Docker/Kubernetes
  • Experience in Terraform/Nomad will be a benefit
  • One or more of the languages: Java, Python, JavaScript, Scala
  • Understanding of Service Oriented Architecture (SOA) and knowledge of API technology and JSON structure
  • Knowledge of Linux, Windows performance tuning
  • Experience with CI tools (eg, Jenkins) and an understanding of the software and testing life cycle
  • A solid understanding of the performance testing methodology
  • Analytical mind and problem-solving skills

Job no. 250912-VTO0N

Benefits For You

Diverse portfolio of clients

Wide portfolio of technologies

Employment stability

Remote work opportunities

Contracts with the biggest brands

Great Place to Work Europe

Many experts you can learn from

Open and accessible management team

Key Skills

Ranked by relevance

cloud aws artificial intelligence javascript jenkins python scala linux java cicd
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Posted
Sep 12, 2025
Type
Full-time
Level
Mid-Senior
Location
Latvia
Company
Sii Poland

Industries

IT Services IT Consulting

Categories

Engineering Information Technology

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