Oleksandr Sirchenko, Developer in Kiev, Ukraine
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Oleksandr Sirchenko

Verified Expert  in Engineering

QA Automation Engineer and Developer

Kiev, Ukraine
Toptal Member Since
June 5, 2020

With over four years of experience in software testing, Oleksandr is a hands-on technology professional who thrives in complex, project-based environments. Along with being a results-oriented QA automation engineer, Oleksandr is a certified professional scrum master (PSM I) who’s successfully delivered projects as part of a scrum team. Oleksander's most valuable contribution to any project is his ability to create test automation from scratch and provide support for existing tests.


Amazon Web Services (AWS), Jasmine, Protractor, TypeScript, JavaScript, Redis...
Star (formerly Cogniance)
Amazon Web Services (AWS), Cypress, TypeScript, Elasticsearch, MySQL...
Microsoft SQL Server, TeamCity, xUnit, REST APIs, Selenium WebDriver, NUnit, C#




Preferred Environment

Git, Docker, TypeScript, JavaScript, Selenium

The most amazing...

...thing I've built is an automation framework from scratch for a web app using a tool that I've never worked with along with setting up test execution on CI.

Work Experience

Senior QA Automation Engineer

2019 - PRESENT
  • Automated web applications using JavaScript/TypeScript, Protractor, and Jasmine and managed test execution on CI (TeamCity).
  • Implemented the Allure Framework as the reporting system.
  • Migrated an automation project from JavaScript to TypeScript.
  • Contributed to sprint scope planning with the customer.
  • Implemented performance automation tests using K6.io.
Technologies: Amazon Web Services (AWS), Jasmine, Protractor, TypeScript, JavaScript, Redis, TeamCity, MySQL, Node.js, Angular

QA Automation Engineer

2018 - 2019
Star (formerly Cogniance)
  • Automated web applications using JavaScript/TypeScript and Cypress.io.
  • Managed test execution on CI using Docker and Travis.
  • Implemented performance automation tests using Gatling.
  • Created integration tests using the Java TestContainers library.
  • Ran sprint reviews for the customer along with managing the release.
Technologies: Amazon Web Services (AWS), Cypress, TypeScript, Elasticsearch, MySQL, Spring Boot, Java, React

QA Automation Engineer

2017 - 2018
  • Ran automated testing development for smoke and regression suites from scratch.
  • Oversaw and managed test execution on a CI server.
  • Performed automated and manual API testing of RESTful services.
  • Actively participated in day-to-day interactions with the product owner.
  • Developed test cases for automated and manual testing.
Technologies: Microsoft SQL Server, TeamCity, xUnit, REST APIs, Selenium WebDriver, NUnit, C#

QA Engineer

2016 - 2017
  • Developed UI automation tests from scratch and set up test run execution on the CI server.
  • Developed and updated test suites and test cases, extended test coverage; also created a traceability matrix for the customer.
  • Conducted functional, GUI, usability, smoke, and regression testing.
  • Communicated with the customer to analyze and investigate defects.
Technologies: PostgreSQL, Selenium WebDriver, Apache Maven, JUnit, Java
2010 - 2015

Speсialist's Degree in Fire Safety Engineering

Academy of Fire Safety - Cherkasy, Ukraine


Salesforce Certified Marketing Cloud Developer



ISTQB Certified Tester Foundation Level

ISTQB — International Software Testing Qualifications Board


Professional Scrum Master I



REST APIs, Selenium WebDriver, Node.js, React, Salesforce REST API, Salesforce SOAP API


Git, TFS, Jenkins, Jira, Apache JMeter, Gatling Load Testing, GitLab CI/CD, Postman, Mocha, REST Assured, TeamCity, Travis CI, TestRail, Pytest, Apache Maven, xUnit


Selenium, Cypress, Protractor, Appium, Selenide, Jasmine, TestCafe, AngularJS, JUnit, NUnit, Spring Boot, Angular


TypeScript, JavaScript, Java, SQL, Python, CSS, C#, AMPscript


Manual Testing, Test Automation, Load Testing


Docker, Amazon EC2, Amazon Web Services (AWS), MacOS


MySQL, Amazon S3 (AWS S3), Elasticsearch, PostgreSQL, Microsoft SQL Server, Redis


Certified ScrumMaster (CSM), QA Automation, Quality Assurance (QA), Mobile Device QA Automation, Performance Testing, Integration Testing, Mobile App Testing, Web App Testing, Regression Testing, K6, Data Modeling, Data Management

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