Pavel Bairov
Performance Test Engineer at airSlate | Business Automation
Ukraine
Summary
👤
Senior🎓
Top SchoolPavel Bairov is a Performance Test Engineer with nine years of experience specializing in high-load SaaS systems and performance automation. Based in Ukraine, he currently architects and runs load testing and observability pipelines at airSlate using Gatling, Scala, InfluxDB 2.0 (Flux), Grafana and Elasticsearch. He has a strong backend engineering bent—contributing code to the popular open-source Gatling project to add dynamic WebSocket/HTTP features, EL functions, and logging improvements that make tests more flexible and reliable. Earlier roles include QA automation with Java/TestNG and hands-on QA work, giving him pragmatic end-to-end testing insight. Trained in telecommunications, he combines protocol-level understanding with practical tooling to improve system resilience under real-world load.
9 years of coding experience
4 years of employment as a software developer
Bachelor of Telecommunications, Telecommunications and Radio Engineering, Bachelor of Telecommunications, Telecommunications and Radio Engineering at State University of Telecommunications
English
Stackoverflow
2,369reputation
169kreached
127answers
10questions
selenium
top-5%
xml
top-5%
Github Skills (23)
http10
websocket10
scala10
performance-testing10
websockets-client10
gatling10
websocket-client10
client-websocket10
selenium9
java9
loadtest9
automation9
javas9
load-testing9
automations9
Programming languages (8)
Github contributions (5)
gatling/gatling
Apr 2021 - Dec 2022
Modern Load Testing as Code
Role in this project:
Back-end Developer & Performance Engineer
Back-end Developer & Performance EngineerContributions:20 reviews, 11 commits, 19 PRs in 1 year 8 months
Contributions summary:Pavel primarily contributed to enhancing the Gatling framework, focusing on features related to HTTP and WebSocket testing. They implemented support for dynamic keys in form parameter maps, enabling more flexible request construction. Additionally, the user added functionalities such as dynamic WebSocket check names and EL functions for generating random UUIDs, integers, longs, and alphanumeric strings, thus improving testing capabilities. Furthermore, the user refactored code, added WebSocket logging, and fixed a date format issue to increase efficiency.
gatlingload-testingloadtestingtestingscala
Amerousful/parallel-test-logger
May 2020 - Dec 2021
Simple logger for parallel running tests
Contributions:7 releases, 21 commits, 5 PRs in 1 year 7 months
loggerloggingparallelautotestjava
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