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VADYM BERCHUK
QAEngineer | FinTech&TradingPlatforms · Web & Mobile QA · API Testing
[open contact info](look above in the "contact info" section) [open contact info](look above in the "contact info" section) Telegram: @Polomal Ukraine

DOMAIN EXPERTISE PROFESSIONAL SUMMARY

•FinTech & Trading Platforms Detail-oriented Quality Assurance Engineer specializing in FinTech products,
•Crypto & Stock Exchanges crypto/stock trading platforms, and web/mobile applications (iOS/Android). Hands-
•Payment Systems & Gateways on experience testing complex financial workflows, payment gateways, and order
•Transaction & Order Processing execution logic alongside core web and mobile functionality. Proficient in functional,
regression, API, and exploratory testing across Agile/Scrum environments. Skilled in
CORE TESTING SKILLS designing structured test documentation, analyzing API responses via Postman, and
inspecting traffic with DevTools to ensure secure, flawless user experiences.
•Functional & Non-functional
•Regression & Smoke Testing PROFESSIONAL EXPERIENCE
•Exploratory & Ad-hoc Testing
QA Engineer| Venstop (Remote) 2025 – Present
•Usability & UI/UX Testing
•API Testing (REST) • FinTech & Trading Testing: Perform end-to-end testing of web and mobile
trading platforms for crypto and stock assets, validating trade order execution,
•Cross-browser & Cross-platform
real-time data flow, and user balance updates.
•Test Case Design
• Payment Gateway Validation: Execute comprehensive functional and regression
•Boundary Value Analysis
testing of payment processing systems, deposit/withdrawal flows, and multi-
•Equivalence Partitioning currency transactions.
• Full-Cycle Testing: Execute functional, regression, smoke, exploratory, and
TOOLS & SOFTWARE
usability testing across desktop, iOS, and Android environments.
•Postman & Swagger • Test Documentation: Design and maintain comprehensive test cases and
•Chrome DevTools checklists in Qase.io to ensure full test coverage for complex trading UI/UX and
backend payment logic.
•Jira & Confluence
•Qase.io & TestRail • Backend & API Validation: Conduct REST API testing using Postman and
Swagger to verify payment status codes, API payload data integrity, and
•Android Studio
transaction processing logic.
• Figma
• Quality Gate & Releases: Perform smoke testing and pre-release regression
passes for hotfixes and major deployments, acting as the final quality checkpoint
TECHNICAL SKILLS
prior to production.
•SQL (Basic Queries, Joins) • Issue Isolation & Troubleshooting: Utilize Chrome DevTools to inspect DOM
•HTML5 / CSS3 elements, analyze network payloads during payment checkout/trading actions,
and review console logs to isolate root causes.
•Git & GitHub
•Bash / Terminal Basics • Risk Mitigation: Uncovered critical logical flaws in transaction processing and
balance calculation prior to release, preventing user data mismatch and monetary
•JSON / XML Formats
discrepancies.
LANGUAGES • Agile Collaboration: Active participant in daily Scrum standups, sprint planning,
and retrospectives, working alongside developers and product managers to
•Ukrainian: Native streamline defect resolution.
•English: Intermediate (B1+)
EDUCATION & CERTIFICATIONS

Intensive Web Testing Program (Certificate)
QASchool · 2025

Comprehensive Software Testing
Udemy · IlarionGalushka · 2025

Software Tester from Scratch: Web/Mobile, Postman, SQL, Git, Bash
Udemy · ArtsiomRusau · 2025