Dmytro

DMYTRO SHYNKARENKO
PROFESSIONAL SUMMARY
QA Engineer with 4+ years of experience in testing complex web platforms, including fintech CRM systems, online casino, trading, and dating
platforms. Experienced in functional, UI/UX, regression, and end-to-end testing, as well as validating API integrations and business workflows.
Skilled in testing both user-facing applications and internal systems such as admin panels and CRM platforms. Background in frontend
development (React, HTML/CSS) enables strong understanding of application architecture, product logic, and efficient collaboration with
development teams. Focused on delivering stable, high-quality releases in fast-paced development environments.
CONTACT
Phone: [відкрити контакти](див. вище в блоці «контактна інформація») E-mail: [відкрити контакти](див. вище в блоці «контактна інформація») LinkedIn Github
WORK EXPERIENCE
QA Engineer - Treeum | Apr 2025 - Present
Performed testing of a centralized fintech CRM platform consolidating multiple legacy systems and financial services, validating API integrations,
business workflows, and overall system stability.
Participated in testing and implementation of a new CRM system designed to consolidate multiple legacy CRM platforms and business
products into a unified business process management solution.
Performed functional, integration, and regression testing of newly developed features to ensure system stability before releases.
Conducted API testing for integrations with external services, including financial platforms minfin.ua and finance.ua, validating correct data
exchange between systems.
Tested API endpoints for features under development, ensuring integration readiness before full feature deployment.
Executed testing across multiple environments: test, stage, pre-production, and production.
Performed release validation and pre-deployment testing prior to system updates and releases.
Ensured correct execution of CRM business processes and integrations between system modules.
Validated database stability and compatibility of changes in the pre-production environment.
Identified, documented, and tracked defects, verified fixes, and performed regression testing.
Confirmed system readiness for production release and end-user usage.
QA Engineer - OptiSearch | Jan 2024 - Apr 2025
Performed manual testing of complex online platforms across multiple domains including online casino, trading, and dating platforms, covering
both user-facing applications and internal management systems.
Tested web and mobile user platforms, validating core user flows such as registration, payments, gameplay interactions, and user account
management.
Performed testing of back-office admin panels used for platform configuration, content moderation, user segmentation, and operational
management.
Tested internal CRM systems responsible for user management, financial transactions, support workflows, marketing tools, and KYC/AML
verification processes.
Worked with multiple domain-specific CRM and admin systems, each with unique business logic and workflows.
Conducted functional, UI/UX, end-to-end (E2E), and cross-platform testing to ensure platform stability and usability.
Created and maintained test cases, test scenarios, and testing documentation.
Identified, documented, and tracked defects, collaborating closely with developers to resolve issues.
Prepared clear bug reports and testing reports to support development and release processes.
Frontend Developer - Appexoft | Dec 2022 - Nov 2023
Developed responsive web applications using React and Next.js.
Integrated REST APIs and collaborated with backend developers to ensure proper data flow.
Worked with Git version control, participated in code reviews, and followed Agile development practices.
Collaborated with designers and stakeholders to implement UI components and improve user experience.

TECHNICAL & PROFESSIONAL SKILLS
QA Tools Testing Types Soft Skills
TestRail, Jira,Youtrack, Confluence, Wiki Functional Testing Analytical thinking
Postman, Swagger (API testing) UI/UX Testing Attention to detail
Chrome DevTools, Charles Proxy / Regression Testing Fast learning & adaptability
Fiddler End-to-End (E2E) Testing Team collaboration
BrowserStack Integration Testing Clear communication with
Figma (UI specs & design validation) Smoke / Sanity Testing developers and stakeholders
Cross-browser Testing

Domain Experience Operating Systems Web & Tech Stack
Fintech platforms Windows, macOS HTML5, CSS3, JSON, XML
CRM systems Android OS, iOS Git (version control)
Online Casino platforms JavaScript (basic)
Trading platforms REST API
Dating platforms Client–Server Architecture
CRM systems & Admin Panels
EDUCATION/CERTIFICATION
GoIT QA Engineer GoIT Fullstack Developer Lviv Polytechnic Master's in Architecture
LANGUAGES
German Advanced English Pre-intermediate Ukrainian Native