Kostiantyn

Kostiantyn | Manual QA Engineer | Web & Mobile Testing
Sokal , 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)

https://t.me/kostya_s99

Profile
A detail-oriented QA Engineer with practical crowdtesting experience (290+ cycles across Web, Mobile, and
API). Skilled in bug reporting, API testing (Postman), and SQL. Seeking a Full-Time Junior/Middle Manual
QA role in a product or outsource team to ensure high software quality from early SDLC stages.

Skills
Testing Types & Methods: Functional, Regression, UI/UX, Compatibility, API Testing, KYC & Payment
Testing.
Tools & Technologies: Postman, SoapUI, Chrome DevTools, TestRail, Git, MySQL.
OS & Platforms: Web, Mobile (iOS, Android), Windows, Linux / CLI.
Methodologies & Concepts: SDLC, STLC, Scrum, Kanban, Agile.

Professional Experience
uTest & Tester Work — Freelance QA / Crowdtester
• Participated in 294 test cycles for Web, Mobile (iOS/Android), and Desktop software products.
• Executed 159 scripted Test Cases and passed 93 Releases across 124 unique software products.
• Achieved Bronze badge ranking in Functional Testing, demonstrating strong bug-hunting accuracy and
reliability.
• Conducted functional, UI/UX, usability, localization, and compatibility testing on physical devices.
• Created detailed, reproducible bug reports with clear steps, system logs (Chrome DevTools, Android
Logcat), screenshots, and screen recordings.
• Performed end-to-end payment flow verification and KYC (Know Your Customer) testing for international
FinTech platforms.
• Verified bug fixes through re-testing and performed regression testing across multiple environments.

Quality Control Operator — Tzov "Sokme"
• Conducted rigorous quality inspection of manufactured components against strict technical specifications
and defect criteria.
• Maintained low defect rate through systematic visual and dimensional inspection routines.

Certificates
Jobit "Manual QA" courses Profession — White Hacker
SQL Basics Know Your Customer (KYC) Testing
Postman for API testing Functional Testing
Payment Testing

Education
STATE EDUCATIONAL INSTITUTION, ART PROFESSIONAL AND TECHNICAL SCHOOL, NAMED. PJ.
STANKA, Yavoriv
• Training in artistic woodworking, geometric and relief carving, carpentry techniques

Languages
Ukrainian — Native/Bilingual English — Conversational
Polish — Proficient Russian — Fluent

Soft Skills
• Analytical Thinking & Attention to Detail: System approach to root-cause analysis, defect isolation, and
requirement analysis.
• Proactive Communication: Clear bug reporting and effective interaction with distributed development
and QA teams.
• Time Management & Adaptability: Quick onboarding into new project domains, tools, and workflows
while handling tight test execution deadlines.
• Continuous Learning: Passion for expanding technical skills in software testing, API verification, and
security concepts.

Additional Information / Work Setup
• Work Preference: Open to Remote / Full-Time opportunities. • Technical Setup: Equipped with high-
performance workstation, stable internet, power backups (UPS/Power Station), and multiple physical test
devices (iOS & Android).
• Availability: Ready for immediate start / short notice.