Ярослав

Yaroslav Tkachuk
QA ENGINEER

SUMMARY
QA Engineer with two+ years of commercial experience in manual testing of web and mobile
applications, including sole ownership of the full test cycle across several concurrent projects.
Comfortable writing test cases, checklists and bug reports, analyzing technical specifications, and
communicating closely with development teams. Background in fullstack development
(HTML/CSS/JavaScript) and hands-on experience with Playwright for test automation. Detail-
CONTACT ME oriented and analytical, with a strong track record of catching issues before release.
[open contact info](look above in the "contact info" section)
[open contact info](look above in the "contact info" section) WORK EXPERIENCE
GitHub
Todor3D 2025 – Present
Telegram
Quality Assurance Engineer
Kyiv, Ukraine
• Own the full manual test cycle end-to-end: requirement analysis, test case design, execution,
and bug reporting, without a dedicated QA team to share the workload
HARD SKILLS
• Maintain and continuously update test documentation (test cases, checklists) across multiple
• Requirement & spec analysis concurrent products
• Test cases, checklists, bug reports • Analyze technical specifications to define test scope and identify edge cases early
• Jira, TestRail • Run functional and regression testing before every release
• Postman (API testing) • Coordinate directly with developers to reproduce, clarify, and verify fixes for reported defects
• SQL, MongoDB
AlgoStrive 2024 – 2025
• Playwright (automation, pet-projects)
Quality Assurance Engineer — sole QA on all active projects
• Git
• HTML / CSS / JavaScript • Maintained test documentation and wrote test cases as the only QA engineer on each project
• Analyzed technical specifications and filed detailed bug reports
SOFT SKILLS • Executed functional and regression test runs across web and mobile builds
• Communication • Worked directly with the development team to close the loop on defects
• Continuous learning
TEAM PROJECTS
• Attention to detail
• Problem solving Labrador (Telegram Mini App)
• One of 3 QA engineers on the project; independently owned testing of the “Dark World”
LANGUAGES
module
English — Upper-Intermediate • Tested dungeon mechanics (multi-floor progression, key/attempt limits, drop rates)
Ukrainian — Native • Tested PvP interactions and combat outcomes across character stat combinations
• Tested leaderboards (clan and personal rankings, reward tiers and payouts)
EDUCATION
• Tested character progression/leveling systems (stat upgrades, skill points, energy and
QATestLab resource caps)
Basics of Software Testing • Designed and documented 66 test cases for the Mahjong game mode in the “Light World”
Jun 2024 – Jul 2024 module, covering core gameplay mechanics and edge cases
IT School GoIT
Living cARds
Fullstack Developer
• Sole QA: created test cases and executed them across builds
Mar 2023 – Dec 2023
• Documented defects and performed regression testing
National Aviation University
• Worked closely with the team to verify fixes
Cybersecurity
Voxii.AI
• Sole QA responsible for manual testing and test case creation
• Performed regression testing each release cycle
• Used Slack, Jira, Postman and Google Sheets for test tracking and API checks
Closet Configurator (internal)
• Sole QA covering testing across overhead, 2D and 3D product modes
• Created and executed test cases, documented defects, ran regression testing
• Used Slack, Jira, Postman and Google Sheets for test tracking and API checks