Діденко

Alex Didenko
Software QA Automation AI Engineer

Kharkiv, 61000, Ukraine [open contact info](look above in the "contact info" section)
[open contact info](look above in the "contact info" section) [open contact info](look above in the "contact info" section)

PROFESSIONAL SUMMARY
Quality Assurance Engineer, with 5+ years experience in Technologies, QA-Automation and QA-Manual Software
Testing for Web, Cloud Based, Client/Server, Native Desktop and Mobile Applications. End-to-End testing, REST API
and Web Performance testing. Experienced in creating Automation scripts for Selenium WebDriver, Postman API,
Swagger, Lighthouse, GT Metrix. Working experience with JavaScript, SQL, JSON, XPath, HTML5, CSS3, XML, DOM.
Expertise in All kinds of End-to-End testing, including Unit Testing, Back-End testing, Black/Gray-Box testing,
Performance, UAT, UI/UX GUI and Functional Testing, Positive/Negative, Regression, Alpha/Beta, Localization
testing. Experience in creating all QA Documentation from scratch: Test Strategy, Test Plans, Test Cases, Test
Coverage, Matrix. Strong knowledge of Software Development Life Cycle, Agile/SCRUM and Waterfall as well as Git
and GitHub tools. Fast learner. Good working knowledge of QA-Automation and QA-Manual AI tools.

TECHNICAL SKILLS
● Automation Testing Tools: Selenium WebDriver, Selenium IDE, PostmanAPI, Swagger, GTMetrix, Lighthouse,
SpeedLab, BrowserStack, AI in QA-Automation tools
● Programming languages: Python, JavaScript, SQL, MySQL, XPath, XML, HTML5, CSS3, JSON
● Databases: SQL, NoSQL
● Methodologies: Agile / SCRUM, Waterfall
● Documentation tools: Confluence, MS Office, Google Drive, Notepad++ , GitHub
● Bug tracking tools: Jira, Microsoft CRM, Confluence
● Security testing tools: Mozilla Observatory, Snyk
● Browsers: Google Chrome, Safari, Mozilla Firefox, Edge, Internet Explorer, Opera
● OS: Windows, MacOS, iOS, Android
● IDE: PyCharm, WebStorm, Atom, Sublime Text, Chrome Dev tools, Notepad++
● Source control: Git, GitHub

WORK EXPERIENCE
Viber Messenger and Website 2022 - present
Software QA Automation AI Engineer
Responsibilities:
● Designed, developed, and maintained automated test frameworks for Viber Messenger desktop, mobile, and web
applications using Python, Selenium WebDriver Python and UnitTest with AI tools and implemented cross-
browser testing for Chrome, Edge, Firefox, and Safari.
● Performed backend and REST API testing using Postman, Python Requests, Swagger/OpenAPI, CURL and AI
scripts to validate messaging services, authentication, user profiles, contacts, and notification services.
● Wrote all QA testing documentation from scratch: Test Plans, Traceability Matrix, Test Cases, Test reports.
● Execute Black/Gray/White Box testing, Functional, Unit, Smoke, Regression, UAT, UI/UX End-to-End testing and
end-to-end testing across browser-based applications and native mobile platforms.
● Implemented Automation Performance testing with Lighthouse, SpeedLab and GTMetrix as part of website
Functional testing.
● Tested Viber Messenger applications on Windows, macOS, Android, and iOS, ensuring consistent
functionality, performance, and user experience across platforms.
● Perform Cross-Browser and Cross-OS cloud testing with BrowserStack as well as code-review on GitHub.
● Executed Automation Security testing for the web-based applications with Mozilla Observatory tool.
● Performed Back-end testing of SQL and MySQL Databases. Wrote SQL queries for Databases testing.
● Investigated, reproduced, documented, and tracked software defects using Jira, including detailed logs,
screenshots, and reproduction steps.
● Collaborate in daily Scrum meetings with Dev Agile team members via Slack and Zoom tools.
● Validated messaging features including one-to-one chats, group chats, communities, channels, media sharing,
file transfers, voice messages, stickers, reactions, and message synchronization across multiple devices.
● Tested real-time communication features including push notifications, presence indicators, typing status,
message delivery, read receipts, and synchronization between desktop and mobile applications.
● Performed compatibility testing across multiple operating systems, browser versions, mobile devices, and screen
resolutions. Conducted usability, accessibility, localization, and responsive UI testing to ensure a consistent user
experience.
● Collaborated closely with Product Managers, Developers, UX Designers, and DevOps engineers throughout
Agile/Scrum development cycles.
● Participated in feature reviews, requirement analysis, sprint planning, and release readiness activities.
● Performed exploratory testing to identify edge cases, usability issues, and unexpected application behavior.
● Validated application performance, stability, memory usage, startup time, and responsiveness across desktop
and mobile environments.
● Worked closely with developers to identify root causes of production issues and improve overall software quality.

EDUCATION
● QA Automation AI Engineer Course at Silicon Valley CA, QASV.US - 2026
● Master’s Degree in Mechanical Engineering at Kharkiv National Technical University of Agriculture
● Languages: English, Ukrainian