About

Work Experience

• Senior Java Developer, Softteco

  Sep, 2022 - Dec, 20222 months

  Reduced amount of escalations from users by 25%(5 emails/week) by implementing REST API integration(Spring Boot/Data/Security) with online payments provider;

• Senior Java Developer, EPAM

  Jun, 2022 - Apr, 20202 years 2 months

  Reduced amount of manual work(9%, 16 hours/month) for performance analyst by integrating
  system(enterprise tool for collaboration, Spring MVC, Atlassian Confluence, ~100k users, ~1TB MySQL)
  with performance testing engine(REST API, Spring Boot/MVC, Thymeleaf, Apache JMeter);
  Reduced amount of escalations from end-users(7%, 1 ticket/month) by tuning JVM G1 garbage collector;
  Reduced amount of escalations from end-users(9%, 1 ticket/month) by optimizing problematic SQL
  query(MySQL);
  Set up a process of continuous performance analysis on the project and mentored 2 software engineers in
  this area;
  Decreased TTI(TimeToInteraction) by 0,5s through configuring cache on Akamai CDN;
  Decreased Speed Index by 0,5s through mocking 3rd-party component of web-application;

• Java Developer, EPAM

  Apr, 2018 - Jan, 20201 year 9 months

  Developed automation for day-to-day business processes: insurance company, Workfusion platform(Spring, Java 8, Selenium, Windows server).
  Reduced amount of escalations from end-users(10%, 3 tickets/week) by improving(Java 8) solution architecture(monolithic application);
  Reduced amount of escalations from end-users(5%, 1 ticket/week) by refactoring code(Java 8) according to SOLID;
  Reduced amount of escalations from end-users(5%, 1 ticket/week) by tuning JVM Parallel GC garbage collector;

• Java Developer, Blazemeter LTD

  Nov, 2016 - Mar, 20181 year 4 months

  Developed performance testplan generator(Java 8, Apache JMeter, Spring Boot, AWS) as a microservice. This gave better usability of the whole performance testing platform and increasing load by 1%(500 test runs/day) by .

• Java Developer, Blazemeter LTD

  Nov, 2015 - Oct, 201611 months

  Designed  java library for existing CI/CD plugins(Java 8, Java 8, Maven, Nexus, REST API). This reduced amount of bugs(70%, 5bugs/month) and cut load of manual QA engineer by 70%. Domain - performance testing.

• Java Developer, Blazemeter LTD

  Jan, 2013 - Oct, 20152 years 9 months

  Built integration of performance testing platform with CI/CD systems through implementing CI/CD plugins (Jenkins,TeamCity,Bamboo). This increased amount of test runs(0.5%, 250 runs/day).
  Designed and contributed to open-source project Apache JMeter DNS Cache manager component for performance testing. This led to increasing amount of test runs(0.5%, 250 runs/day) on performance testing platform

Skills

Education

Volunteer Work