Дмитро

DMYTRO KERTYS
PERSONAL PROFILE
I'm a quality-focused QA Engineer with
strong experience in testing web and QUALITY ASSURANCE ENGINEER
mobile applications from early
development to release. My work is driven WORK EXPERIENCE
by curiosity, attention to edge cases, and MOBILE QA ENGINEER
a clear understanding of how product TechStudio TV Product Company, 2021-2024 sep. (Full-time)
quality affects the end-user and business
goals. Executing test cases and analyzing results
Reporting and documenting technical issues
I’ve worked across feature-rich platforms Collaborating with the development team to solve application
faults
where testing goes beyond verifying UI —
Conducting post-release/post-implementation testing
including debugging client-server
Implementing software testing methodologies, models, and
communication, validating analytics practices
events, and identifying root causes of Working closely with new team members, offering technical
environment-specific bugs. I take guidance and support
ownership of the quality lifecycle, Participating in sprint planning and daily stand-ups, advocating
for quality priorities and providing insightful updates on testing
contribute to release readiness, and
progress
advocate for improvements in both
Assisting in the integration and user acceptance testing (UAT)
product and process. phases, working with business users to ensure the product aligns
with business needs and expectations
I'm comfortable in dynamic environments Participating in post-release activities, such as monitoring the
with fast iterations, cross-functional impacts of new features or changes on production and end-
teams, and complex systems. Whether it’s users, and being prepared to respond to any unforeseen issues
UI/UX Testing
payment flow validation, subscription
Automated API collection flows in Postman and configured
lifecycle coverage, or ensuring
automated Bearer token refresh for authenticated requests
internationalization works across locales
— I bring structure, clarity, and impact to
my testing approach.

CONTACT DETAILS: WE B / MO B I L E Q A / Q C E N G I N E E R

📧 [open contact info](look above in the "contact info" section)
NDA 2024 december - 2025 april(Part-time)

Performed backend testing in a Linux-based environment: log
📱 [open contact info](look above in the "contact info" section) analysis, CLI tools, basic shell commands (netstat, curl, ping)

🌐 Validated REST API endpoints, business logic flows, and data
integrity
[open contact info](look above in the "contact info" section) Worked with TCP/UDP protocols, including TTL verification and
💬 Telegram: @Dmytreosa multicast traffic inspection (via ProxyMan / Wireshark)

🗣 English B2 / Ukrainian C1 Created and maintained test cases, checklists, and bug reports
using Jira
Collaborated with DevOps to troubleshoot delivery issues,
firewalls, and network timeouts
Collaborating with more experienced QA team members to learn
TEST ARTIFACTS about various testing techniques and methodologies
Assisting in maintaining documentation for test cases and test
results
Test Plans, Test Cases, Checklists, Performing simple load and performance tests under the direction
Test Scenarios, Acceptance Criteria, of senior staff
Providing feedback to the QA team on the usability and
Bug & Test Reports
functionality of the product from a new user's perspective
Engaging with continuous learning to improve testing skills and
software quality assurance knowledge.
Detected critical payment issue before production
OPERATING SYSTEM MO B I L E / WE B Q A / Q C E N G I N E E R
TSG, 2019–2020
Linux / Windows Performed manual testing of cross-platform mobile and web
IOS / Android applications (iOS, Android, Web)
Focused on user flows for students and teachers: onboarding,
subscription, personal space management, and experiment-based
AR modules
Validated API responses (REST) and backend logic using Postman
and Charles/ProxyMan
Tested login integrations (Microsoft SSO, Google) and OAuth2 flows
Reported bugs and maintained regression checklists in Jira;
participated in regular QA syncs
Verified business logic tied to roles, permissions, and subscriptions
(monthly/yearly plans, trial restrictions)
Conducted exploratory and smoke testing across staging and
production environments
Cooperated with designers and PMs on UX inconsistencies, AR
content issues, and multilingual support
Tested deep links, redirects, and in-app purchase scenarios with
Google Play Console and App Store tools
Worked in a Scrum team with developers, PO, and designers;
estimated QA tasks and participated in sprint planning
Reduced regression test time by 30% using checklists and coverage
analysis

ACADEMIC BACKGROUND
TERNOPIL NATIONAL ECONOMIC UNIVER SIT Y (W E STE R N
UKRAINIAN NATIONAL UNIVERSITY)
BS in Software Engineering, 2022 Sep - 2025 May
THE SVALYAVA TECHNICAL COLLEGE OF TH E NA T ION A L
UNIVERSITY OF FOOD TECHNOLOGIES

BA in Tourism, 2014-2018

TECHNICAL SKILLS

- OS: Linux (CLI tools, netstat, curl), Windows
- Mobile: Android (Logcat, ADB), iOS (Xcode)
- API: Postman, Swagger, Charles, ProxyMan
- Automation: Postman collection flows, Bearer
refresh
- Network: TCP/UDP, TTL, Wireshark
- Tools: Jira, TestRail, Git
- Testing: Regression, UAT, Exploratory,
Functional, Smoke