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[open contact info](look above in the "contact info" section)
ROSTYSLAV HOLUBOV [open contact info](look above in the "contact info" section)
@rost_golubov
QA ENGINEER [open contact info](look above in the "contact info" section)

Responsible, punctual, easily trained, communicative, persevering ,high motivation to learn and get new experience,
attention to detail, I like working in the team.I have experience working as a software test engineer, specializing in
web and mobile products within the e-commerce, gambling, productivity, education, and internal services of the
company. My expertise includes proficiency in quality assurance processes.

HARD SKILLS EXPIRIENCE
QA engineer
Testing Types & Approaches: Functional, Non- InsulaLabs (03/2025 - now)
functional, Regression, Smoke, Sanity,
Integration, API, UI/UX, Exploratory, Cross- Domain: iGaming / Gambling Platforms (Web & Mobile)
browser & Cross-platform testing.
Test Design & Management: Equivalence Requirements analysis & validation: Reviewing product
Partitioning, Boundary Value Analysis, specifications, game mechanics, and feature
Pairwise Testing, Error Guessing, State- requirements at early stages to identify logical gaps
Transition Testing, Decision Tables, Test and business edge cases.
Cases, Checklists. Release management & deployment control: Managing
Requirements & Processes: Requirements release lifecycle end-to-end, conducting smoke and
Analysis & Validation, SDLC/STLC, Agile sanity testing post-deployment to ensure zero critical
(Scrum/Kanban), Bug Lifecycle, Release bugs in production.
Management, QA Onboarding & Mentoring. Environment & build coordination: Requesting,
Web & Mobile Technologies: Client-Server tracking, and verifying dev/staging deployments (Web
Architecture, REST API, HTTP/HTTPS Status builds and Mobile APK/IPA packages) in close
alignment with developers.
Codes, HTML/CSS, JSON/XML.
Onboarding & Mentoring: Onboarding new QA
English Intermediate
engineers, maintaining project documentation in
Confluence, and guiding junior team members on
domain specifics.
Domain-specific testing: Testing game provider
integrations, bet/spin logic, bonus mechanics, balance
updates, and transaction flows (deposits/withdrawals).
Cross-platform & Mobile testing: Testing desktop,
TOOLS & PLATFORMS
mobile web (DevTools, BrowserStack), and native
mobile applications (iOS/Android) for UI
API Testing & Proxies: Postman, Swagger, responsiveness and cross-device performance.
Charles Proxy. API-triggered testing & Integrations: Utilizing Postman
Database & Caching: MySQL Certificate , to trigger and test automated bonuses, push
Redis. notifications, and web push delivery
Debugging & CLI: Chrome DevTools, macOS
Terminal, Xcode, Android Studio . QA engineer
Version & Task Management: Git / GitHub FEdevCO (01/2024 - 12/2024)
(Branch switching & version management),
Jira, TestRail, ClickUp, YouTrack, Confluence. Project “FEdevCO”, “Karabas New” website, Playonwin
Performance & Design: JMeter, BrowserStack,
BlueStack, Figma. Multi-project testing: Conducted functional, non-
functional, and UI/UX testing for e-commerce,
ticketing platforms, and gaming services.
Test documentation: Created and maintained
comprehensive test cases, checklists, and bug reports,
participating in regression testing cycles.
Cross-browser & Device testing: Executed cross-
browser and cross-platform testing using DevTools,
BrowserStack, and manual APK installations on mobile
devices.
Team collaboration: Mentored junior team members
and communicated closely with development teams
and the CEO to align on project requirements.
Performance testing

QA engineer
Softum (02/2023 -01/2024)

Control over the process of integration of payment
providers with the technical platform;
Setting up integrated payment solutions;
Tracking the performance of payment providers;
Analysis of payment methods by the user;
Work with CRM systems.
Functional testing, Non-functional testing, Smoke
testing, Regression testing, Re-test
UI/UX testing
Write documentation — test cases, checklists, bug-
reports
Testing API
Communication with the team
Web testing (cross-browser testing, using DevTools)
Communication with team
Writing bug reports, suggesting improvements, and
checklist .

QA engineer
Ubertesters part-time (10/2022 - 03/2023)

Functional testing, Regression testing, Localization
testing, exploratory testing
Mobile and Web testing (cross-browser testing and
cross-mobile platform testing)
Work with APK.file
UI/UX testing
Functional testing, Non-functional testing, Smoke
testing, Regression testing, Re-test
Writing bug reports, suggesting improvements, and
checklist .

QA engineer
CML (10/2021-02/2023)

Project "PrototypeYou" mobile app and Project
“EZCHOICE” website for comparing financial
performance in Vietnam

Mobile testing (cross-mobile platform testing)
Work with APK.file
Web testing (cross-browser testing, using DevTools)
Functional testing, Non-functional testing, Smoke
testing, Regression testing, Re-test
UI/UX testing
Write documentation — test cases, checklists, bug-
reports
Testing API(Postman, Swagger)
Communication with team
Functional testing, Non-functional testing, Smoke
testing, Regression testing, Re-test
Writing bug reports, suggesting improvements, and
checklist.