Марк

Mark Yamkovoi Senior QA/QC Engineer
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Lviv, Ukraine

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SUMMARY
Senior QA/QC Engineer with 5+ years in IT. Expert in test design, complex bug analysis, and mentoring
junior specialists.

EXPERIENCE
KeenEthics - Quality Assurance and Control Engineer 03/2022 – 10/2025
Project: SelfLeaders Domain: EdTech (Education) Team: Collaborated within Lviv,Ukraine
a 5-person development team.
Technologies: React, Node.js, Meteor.js, GraphQL, MongoDB, K8s
(Kubernetes), Redis

As a Senior QA/QC Engineer, my scope evolved beyond product quality to
include process improvement, team leadership, and high-level technical
challenges.
Conducted over 30 debug sessions directly with real users to identify
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complex, environment-specific bugs and assist with environment setup
Mentored interns, guiding their technical development and ensuring their
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successful integration into the team
Acted as a Scrum Master in the PM's absence, demonstrating leadership by
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facilitating key meetings with stakeholders and guiding the team
Wrote over 50 end-to-end automation scenarios in close collaboration with
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AQA, reducing manual regression testing time by more than 5 hours

KeenEthics - Quality Control Engineer 03/2021 – 03/2022
My responsibilities grew from just reporting bugs to managing their entire
• Lviv,Ukraine
lifecycle, including tracking, prioritizing, and validating fixes within the
development sprint
Took full ownership of the test suites, ensuring they were consistently
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maintained and updated to reflect new functionalities

KeenEthics - Software Tester 03/2020 – 03/2021
In my initial role as a Software Tester, my responsibilities were focused on the Lviv, Ukraine
foundational, hands-on execution of testing and clear defect reporting.
Conducted functional, regression, smoke, and UI/UX testing for web and
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mobile applications
Created, maintained, and updated test cases and checklists based on
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requirements analysis
Focused on identifying bugs, writing accurate and detailed bug reports, and
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verifying fixes once they were resolved
SKILLS
Test Management & Bug Tracking — Jira, TestRail, Confluence, Trello, Zephyr, Pairwise
API Testing — Postman, Swagger
Automation (basic) — TestCafe, Percy (for visual regression)
Web & Mobile Testing — Chrome DevTools, BrowserStack, LambdaTest
Databases — DBeaver (MySQL, PostgreSQL - CRUD)
Version Control & CI/CD (basic) — Git, GitHub, GitHub Actions, Jenkins, VS Code
Documentation & Collaboration — Google Workspace, Excel, Slack, Microsoft Teams
Methodologies — SDLC, STLC, Agile, Scrum, Waterfall, Scrumban
Web Technologies & Protocols — HTTP/HTTPS, REST, JSON, XML, HTML5, CSS3, JavaScript (basic
understanding)

EDUCATION
Ukrainian National Forestry University 06/2026
PHD of Computer science

Ukrainian National Forestry University 06/2020
Master of Ecology and environmental protection

LANGUAGES
English -B2 Ukraine/Russian - Bilungual

HOBBIES

Outside of my professional endeavors, I am passionate about basketball. For over 10 years, I have been
the founder and captain of an amateur basketball team. I coach children and plan to open a youth
basketball academy.