Anton Serputko is a Senior Staff Performance Engineer with nine years of experience designing and implementing end-to-end performance testing for web and mobile systems, now leading performance efforts at ServiceNow. He builds robust testing infrastructures—combining JMeter, Jenkins, Grafana, InfluxDB and container orchestration—to provide real-time metrics, automated CI workflows, and actionable bottleneck localization. As a consultant and mentor since 2017, Anton has delivered 25+ public and corporate trainings, founded the Perforator community, and helped organizations stand up or audit performance practices from scratch. He authored a Packt guide on JMeter and maintains an open-source performance-testing framework that integrates load execution, metric visualization, and frontend testing with sitespeed.io/webpagetest. Comfortable both in code and in front of an audience, he’s presented at 20+ conferences and routinely translates complex performance data into practical engineering actions. Based in Kyiv, Anton blends hands-on DevOps engineering with a strong coaching instinct to raise team capability and observability.
Framework allows to perform load testing with Apache Jmeter, view application/server metrics in real-time with Grafana, analyze errors cause with detailed traces for failed requests, compare different test runs in scripted dashboard and perform frontend performance testing with sitespeed.io+webpagetest
Role in this project:
DevOps & Performance Engineer
Contributions:129 commits, 7 PRs, 85 pushes in 5 years 2 months
Contributions summary:Anton's primary focus was on improving the performance testing framework's infrastructure and monitoring capabilities. They configured Jenkins jobs, integrated JMeter with InfluxDB and Grafana for real-time performance metrics, and automated container orchestration using Docker Compose. Furthermore, they addressed frontend performance testing by changing exposed port for webpagetestserver, and added and configured various JMeter plugins to enhance testing capabilities, demonstrating a clear understanding of both backend and frontend performance optimization.
Contributions:4 PRs, 8 pushes, 5 branches in 3 months
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Anton Serputko - Senior Staff Performance Engineer at ServiceNow