Віталій

Vitalii Olefirenko
Other names/Transliterations: Віталій Олефіренко (national passport);
Vitalii Olefirenko (international passport/work visa)
QA Engineer/QA Automation Engineer
Summary:
• 4+ years of professional experience in the Information Technology industry specializing in Quality Assurance, including manual and automation testing domains;
• Automation-related skills:
◦ Development of automated tests (Selenium WebDriver, NUnit);
◦ Experience with object-oriented languages: C# (.NET);
◦ Testing of web applications (manual and automated);
◦ Testing of client-server applications (API testing);
◦ Experience with continuous integration and building tools (Jenkins);
• Wide range of software testing expertise and QA skills:
◦ Test strategy implementation and test scope design;
◦ Design of test documentation (test suites, test plans, test cases, test coverage, bug reports, etc.);
• Experience with international projects, including Asian market: testing airline payment systems and mobile applications;
• Hands-on experience with iOS (Xcode) and cross-platform mobile testing (Appium).
Education:
Master’s Degree, Civil Engineering, Kherson State Agrarian University, Ukraine
Work Experience:
DataArt Solutions, Inc. (www.dataart.com)
QA Engineer, QA Automation Engineer2021 – Present
Recently Completed Projects:
Airline Payment & Mobile Application
Client: Asian airline company
Description: QAA of airline payment system and mobile application for ticketing and payment. Cross-platform testing for web and mobile (iOS). Focused on end-to-end payment flows, multi-currency support, and integration with third-party payment providers.
Tools: C#, Playwright, Appium, NUnit, Xcode, Postman, Jira, Git
Position: QA Engineer, QA Automation Engineer
Activities:
• Functional, regression, and integration testing of payment workflows;
• Mobile application testing on iOS;
• Automation of payment scenarios using Playwright and Appium;
• API testing for payment gateways;
• Cross-team collaboration to ensure compliance with international payment regulations;
• Reporting and tracking defects in Jira.
Travel Platform
Client:Travel company
Description: The responsibility involved managing the quality assurance process for a travel platform, ensuring the delivery of personalized and high-quality travel deals. The role focused on manual testing of features such as geolocation-based sorting, AI-driven chatbots for deal recommendations, and dynamic user interfaces. Comprehensive testing was conducted on user scenarios, including dynamic search inputs, alternative suggestions for unavailable options, and multi-dimensional deal recommendations based on proximity, price, and user preferences. Collaborated with developers, product managers, and designers to identify and address issues, ensuring seamless functionality and an optimal user experience. Regular cross-platform testing across various devices and browsers validated compatibility, and robust test plans and exploratory testing strategies were developed to handle edge cases and real-world user scenarios effectively.
Tools:Postman, Jira, Confluence
Position:QA Engineer
Activities:
• Defining and executing testing objectives to meet business requirements;
• Designing and maintaining test documentation, including test plans, test cases, and bug reports;
• Performing functional, regression, and exploratory testing of web applications and APIs;
• Collaborating closely with developers to address defects and optimize features;
• Estimating tasks;
• Developing test strategies for scenarios involving AI-powered responses and geolocation-based sorting;
• Conducting demos of the developed product for stakeholders.
Healthcare Solution
Client:US-based healthcare company
Description: The developed system is an all-around automation of the patient intake process in healthcare organizations that helps health institutions deliver a consistent, digital-first patient journey across every care setting and service line. With robust tools for registration, scheduling, payments, and clinical support, the System helps providers maximize efficiency and create great patient experiences. The system facilitates more than 120 million patient visits annually. The system allows integration with EMR/PMS with HL7v2 (import and export).
Tools: Selenium, C#, NUnit, MySQL, MongoDB, Postman, Rider, Git, Fork, Jira, Jenkins
Position:QA Engineer, QA Automation Engineer
Activities:
• Defining testing objectives and verifying that requirements are testable;
• Communicating with business representatives to elicit business needs, clarify requirements;
• Creating, validating and maintaining test documentation;
• Functional, smoke, sanity, acceptance, regression testing;
• Grooming the backlog;
• Estimating tasks;
• Communicating with development team;
• Executing functional, smoke, sanity, acceptance, regression testing;
Conducting demos of the developed product for stakeholders;
• Communicating with development team;
• Finding and verifying defects;
• API testing;
• Creation of automated scripts for both API and UI.
Selenium Test Application
Client:IT services provider
Description: The project aimed to support, enhance, and automate new UI test scenarios, manual testing activities, API testing, and work with database.
Tools:Selenium, C#, NUnit, MySQL, Postman, Visual Studio, Git, Jira, Jenkins
Position:QA Engineer, QA Automation Engineer
Activities:
• Test scenarios automation;
• Manual test execution and autotest run from CI;
• API testing;
• Test design and work with test documentation.
Skills:
Programming and Markup Languages:
С#, XPath, HTML, CSS, SQL, XML
Databases and Database Access:
MySQL, MongoDB
Testing Tools:
Selenium, NUnit, Appium, Playwright
IDE:
Visual Studio, IntelliJ IDEA, Rider
Platforms:
Windows
Development Environments and Bug Tracking Systems:
Jira
Version Control Systems:
Git, Fork
Continuous Integration Tools:
Jenkins