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Work experience

QA engineer

from 04.2024 to 06.2026 (2 years 3 months)
Sprinterra, Дистанційно (IT)

QA RESPONSIBILITIES:
○ Owned end-to-end testing of Magento 2 and LB.Net frontend/backend
integrations across desktop web/mobile
○ Working on testing migration from Magento 1 to Magento 2
○ Built the QA process and documentation from scratch: test plan, TMS, bug report/checklist/test case standards
○ Wrote scripts with AI to automate recurring QA tasks and prepared
documentation for the automation flow
○ Planned release scope (including the M1 to M2 migration) and ran pre-release testing on 2 environments (dev, UAT); regression, impact analysis, smoke, sanity
○ Set up the AI-assisted QA flow with Claude Cowork and Claude Code:
skills for scheduled and routine QA tasks, AI-agent testing, with results reported in TMS and linked to Jira tickets
○Set up the entire QA flow from scratch: QA role in the SDLC, test plan, TMS, bug report/checklist/test case templates, and drove retrospectives for the team
○ Tested AI agent integrations: orchestration, tool calling, Golden Set creation, F1 score testing
○ Covered edge and corner cases alongside regular frontend and backend testing (desktop and mobile web)

KEY ACHIEVEMENTS:
✔ Cut production bug leakage from 18% to 5% (Defect Leakage metric) by building
the QA process from scratch and focusing on the edge/ corner case coverage
✔ Built an AI agent testing from the ground up: Golden Set creation, orchestration
and tool-calling testing, F1 score validation. Found up to 5 existing edge cases in
the system using those flows
✔ Became the owner of AI-in-QA on the project: defined selected tooling, and set
AI-assisted testing standards for the team
✔ Integrated an AI agent directly with Jira and Testomat.io (via MCP):
the agent reads tickets, generates test documentation, and links
results back to tickets for end-to-end traceability
✔ Built a library of 6 reusable AI skills automating specific QA
processes: daily Jira board briefing, tracking of tested but not
released tickets, checklist, and test case generation, and code
changes coverage via git diff
✔ Cut manual testing time by ~30% by building custom AI skills into
the QA flow, with no drop in defect detection
✔ Mentored QA specialists on integrating AI into the daily QA
workflow
✔ Reduced regression testing time by ~40% by integrating
sanity-level AI scripts (JS + Playwright) into the test scope with no
loss of coverage
✔ Introduced ML-based quality control for AI-assisted testing (F1, precision, recall,
accuracy, Golden Set)
✔ Lowered the average AI skill run cost by 20-45% by optimizing skill deployment
and prompts before execution (token usage control)
✔ Built the QA process from scratch and set up structured test runs the TMS,
giving release-over- release visibility into unstable areas

QA-інженер

from 04.2023 to 01.2025 (1 year 10 months)
JatApp, Дистанційно (IT)

QA RESPONSIBILITIES:
○ Tested a multiplatform VPN service (web, iOS, macOS, Windows, Android/TV) across functional, regression, smoke, sanity, and impact testing
○ Conducted A/B and subscription/payment testing (PayPal, Google Pay, BlueSnap)
○ Worked with analytics tools (Amplitude, GA4, Mixpanel) and monitored server health

KEY ACHIEVEMENTS:
✔ Implemented impact analysis in the QA flow, using it in the regression scope around affected areas to reduce missed defects, and cut the regression testing time by 30%-70% (depends on the situation)
✔ Organized and ran Alpha testing. Found 2 critical issues before release
✔ Proposed product improvements that were adopted and shipped in the app
✔ Created a detailed product MindMap. It became the team's reference for the test coverage and onboarding

QA-інженер

from 10.2022 to 01.2023 (4 months)
Digital Acuity Group, Дистанційно (IT)

QA RESPONSIBILITIES:
○ Performed E2E and API testing (Postman, Fiddler); regression, cross-browser, and cross-platform testing of desktop apps
○ Maintained QA documentation (checklists, bug reports, Confluence)

KEY ACHIEVEMENTS:
✔ Established bug report standards and implemented pair testing workflows in the QA flow of the team
✔ Established task definition standards

QA-інженер

from 09.2019 to 10.2022 (3 years 2 months)
Binariks Inc., Львів (IT)

QA RESPONSIBILITIES:
○ Created QA documentation (TestCases / Checklists / Suites)
○ Participated in Scrum activities, product demos, and MVP
○ Ran production bug analysis on Test.io with beta testers
○ Wrote automated tests for the Web part of the product
○ Ran automated tests and worked on bugs/defects/issues
○ Tested iOS, Android, and web (smoke, sanity, regression, integration, functional, UI/UX)
○ Tested backend via Postman and custom admin panels; user analytics via Mixpanel

KEY ACHIEVEMENTS:
✔ Acted as Product Owner for the group ordering feature, driving it to a successful
release on the platform
✔ Automated frontend test coverage with Java and Selenium, reducing manual
regression effort for 80%-90% of the overall coverage

Education

НУЛП

Комп'ютерні науки/Системи автоматизованого проектування/Системний дизайн, Львів
Higher, from 2011 to 2016 (5 years)

Additional education and certificates

Claude 101

2026
Certificate

Claude Code 101

2026
Certificate

Intro to Claude Cowork

2026
Certificate

Claude Code in Action

2026
Certificate

AI Fluency: Framework & Foundations

2026
Certificate

Introduction to agent skills

2026
Certificate

Introduction to Subagents

2026
Certificate

Knowledge and skills

• QA Processes setting
• Backend-тестування
• Kanban
• Product quality control
• Desktop testing
• A/B testing
• Regression testing
• Sanity testing
• Smoke testing
• Impact analysys
• Amplitude
• Mixpanel
• Kinesis (AWS Analytics)
• VMware Workstation
• BrowserStack
• TestFlight
• TestIO
• Firebase
• Sandbox
• Mobile application testing
• Grafana
• Testomatio
• Jira
• Написання тест-кейсів
• Написання bug reports
• Складання чеклістів
• TestRail
• Scrum
• Development tools
• Postman
• Trello
• Integration testing
• E2E tests
• Localization testing
• Compatibility testing
• REST API
• Proxyman
• Fiddler
• SQL
• Supabase
• Test.io
• Testiny
• IOS Application Testing
• Claude Code
• Claude Cowork
• Linear
• Compilation of the test plan
• Kibana
• Software Development Life Cycle
• Знання STLC

Language proficiencies

• English — above average
• Ukrainian — fluent