Sviatoslav

Sviatoslav Liuzniak
QA Engineer | AQA (Python)

Lviv, Ukraine | [open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section)

LinkedIn: Sviatoslav Liuzniak [open contact info](look above in the "contact info" section) |
Telegram: @Sviat198925

PROFESSIONAL SUMMARY
QA Engineer with over 8 years of experience specializing in Web and Mobile testing with an
experience with Python-based automation (Selenium). Proven expertise in establishing QA
processes from the "zero stage" and coordinating cross-functional teams of up to 8
engineers. Expert in API testing, FinTech payment systems, and complex business-logic.
Advanced English (C1) speaker with a background in high-pressure, international
environments with all the Scrum/Kanban attributes.

CORE COMPETENCIES

Testing Types: Functional: Regression Testing, Smoke Testing, System Testing,
User Acceptance testing (UAT), Sanity Testing; Non-Functional Testing:
Compliance Testing, Jurisdiction Testing, Language Testing, Security Testing,
Localization Testing, Performance Testing; Mobile (Android/iOS); API
Tools: Postman, Charles Proxy (JSON), Jira, Zephyr, Confluence, TestRail, Mantis,
TestLink, Chrome Dev Tools, Selenium, AI-driven testing, JMeter
Technical/Business Segments: Linux (Ubuntu/Command Line), AWS, ADB, Xcode,
GitLab, SQL, SaaS, Event-Driven Architecture (EDA), Microservices
architecture, RabbitMQ, NGINX, DDD (Domain-Driven Design), CQRS
(Command Query Responsibility Segregation), Web3, iGaming (Slot games),
CRM-systems, E-commerce, B2B, B2C

Automation: Python, Selenium WebDriver, Playwright

PROFESSIONAL EXPERIENCE
QA Engineer / AQA (Python) | Platinium Group SAM | 11/2021 – 06/2026

Team Leadership: Coordinated QA processes for 8 engineers across Front-end,
Core, and Back-office teams to ensure seamless product releases.
Process Creation: Designed a full-cycle test suite for Back-office project
components starting from the initial development phase.
FinTech Testing: Validated complex payment methods, including partial and full
refunds and localization for various currencies.
Performance & API: Executed performance testing via JMeter and security-focused
API testing via Postman/Python.
Automation Development: Created and maintained Python/Selenium test suites for
efficient regression testing.
Technical Environment: Managed testing activities on AWS environments and used

SQL for database validation.

QA Engineer | Push Gaming | 11/2019 – 10/2021

Embedded QA: Worked closely with developers, mathematicians, and artists from
the prototype stage to ensure product readiness.
Game Testing: Developed game-specific test cases covering mechanics, features,
and compliance scenarios.
Traffic Analysis: Used Charles Proxy and JSON for API traffic monitoring and
debugging.
Communication: Operated in a 100% English-speaking environment with 75%
native speakers.

QA Engineer | dops.digital | 05/2019 – 10/2019

Executed manual testing for web applications and mobile apps.
Created detailed bug reports, test plans, and usability reports.
Utilized Jira and Avocode for daily quality control tasks.

EDUCATION & CERTIFICATIONS
Master’s Degree in Laser and Opto-electronic Technology | Lviv Polytechnic
National University.
Computer Systems and Networks | Lviv branch of Kyiv National University of
Culture and Arts.
Certificate: The Software Testing (QA/QC) | INOXOFT.
Certificate: Fundamentals of Software Testing | QATestLab.
Certificate: Foundation of Software Testing | Prometheus (Score: 98%).

LANGUAGES
English: C1 (Advanced)
Spanish: Beginner
Ukrainian/Russian: Native/Fluent