-
Sii Poland

Senior Performance Tester

Sii Poland
Ukraine · Full-time · Mid-Senior

Join the team of the largest Testing Services Center in Poland, created by testers for testers, in a company regularly awarded with Great Place to Work awards. We offer interesting projects and constant access to knowledge thanks to the training platform, webinars, and exchange of experiences within our Community, as well as development under the supervision of mentors. We are currently looking for a Performance Tester to join our team. The ideal candidate will bring strong expertise in performance testing methodologies, coupled with a solid technical foundation and an analytical mindset. If you are passionate about ensuring software efficiency and reliability, we want to hear from you!

Your tasks

  • Creating Innovative Next-Generation Performance Tests
  • Planning and implementing tests
  • Building a performance testing environment
  • Preparing scripts using chosen tools (such as JMeter, Locust, Gatling, NeoLoad, and LoadRunner)
  • Collecting results with the use of APM Tools
  • Building automated analysis mechanisms
  • Conducting the full automation process using CI/CD tools, APM tools, Performance Testing tools, and automated analysis
  • Participating in demanding projects for clients from various sectors
  • Proposing performance indicators
  • Performing root cause analysis of performance problems

Requirements

  • At least 6 years of experience in automated testing, at least 1 year of performance testing
  • Good knowledge of one or more programming languages: JavaScript, Python, Scala or C#
  • Proficiency with Version Control Systems such as Git or SVN
  • Understanding of Service-Oriented Architecture (SOA), API technology, and JSON structure
  • Linux and Windows performance tuning experience
  • Experience with Continuous Integration tools (e.g. Jenkins)
  • Ability to design and implement efficient tests
  • A solid understanding of the performance testing methodology and tools
  • A sharp, analytical mindset with strong problem-solving abilities
  • Very good command of English for effective communication and documentation

Job no. 250326-GFI0R

Benefits For You

Refferals program

Solid financial situation

Many experts you can learn from

Contracts with the biggest brands

Mentoring program

14 authentic core values

Inclusive culture based on dialogue

Regular integration events and trips

Passion Sponsorship Program

Open and accessible management team

Profit sharing

Welcome packs & occasional gifts

Key Skills

Ranked by relevance

continuous integration javascript python scala cicd git
Login to Apply
Posted
Mar 27, 2025
Type
Full-time
Level
Mid-Senior
Location
Ukraine
Company
Sii Poland

Industries

IT Services IT Consulting

Categories

Quality Assurance

Related Jobs

3 roles aligned with this opportunity

View all jobs
View Job Details
Dicetek LLC
Related

QA Automation Engineer (Mobile & API)

2026-05-26

Contract
Not Applicable
United Arab Emirates
IT Services
Quality Assurance
View Job Details
Forte Group
Related

Quality Assurance Automation Engineer

2026-05-21

Full-time
Mid-Senior
Ukraine
IT Services
Quality Assurance
View Job Details
Trinamics
Related

Network Engineer

2026-05-20

Full-time
Associate
Netherlands
Automation Machinery Manufacturing
Engineering