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Oleh Koren

Senior Performance QA Engineer | Udemy Instructor | AWS Certified Cloud Practitioner

Joined on Feb 6, 2026 https://www.linkedin.com/in/oleh-koren/

Work

Senior Performance QA Engineer at Provectus

Oleh Koren

Feb 13

Behind the Scenes: Why I Created a Performance Testing Course

#testing #performance

4 min read

Oleh Koren

Feb 11

Your Load Test Passed. Production Still Failed. Why?

#performance #loadtesting

2 min read

Oleh Koren

Feb 9

Why Percentiles Matter More Than Average Response Time in Performance Testing

#performance #loadtesting #performancetesting #testing

3 min read

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