Сергій

SERHII BOBOVSKIY
QUALITY ASSURANCE ENGINEER
[відкрити контакти](див. вище в блоці «контактна інформація») | [відкрити контакти](див. вище в блоці «контактна інформація») | LinkedIn | Rivne, Ukraine

SUMMARY

Middle Manual QA Engineer with 3+ years of experience testing web platforms and iOS/Android apps on real
devices and emulators in e-commerce and iGaming. Work includes backend testing via REST APIs (Postman,
Swagger), SQL and MongoDB, traffic analysis in Charles Proxy, and testing in-app purchases, A/B experiments,
feature flags and analytics events. Wrote mobile smoke tests with Python, pytest and Appium. Used Claude to
analyze test documentation and edge cases.

SKILLS & TOOLS
Testing: Functional Testing, Regression Testing, Smoke Testing, Integration Testing, Exploratory Testing, Non-
Functional Testing, End-to-End Testing, Mobile Testing (iOS/Android), Web Testing, API Testing (REST), Back
Office Testing, Localization Testing, In-App Purchases Testing, Analytics Testing, A/B Testing, Feature Flags
Test design & documentation: Test Cases, Checklists, Bug Reports, Traceability Matrix, Requirements
Analysis, Equivalence Partitioning, Boundary Value Analysis, Decision Table, Test Reports

Mobile: Real Devices and Emulators, Android Studio, Xcode, BrowserStack, TestFlight, App Tester, Charles Proxy

API & Backend: Postman, Swagger, REST, JSON, XML, Client-Server Architecture, Cron Jobs, Admin Panel

Databases: DbVisualizer, DBeaver, PostgreSQL, MongoDB, SQL

Analytics & Monitoring: Amplitude, Firebase (DebugView, A/B Testing), Smartlook, Grafana, eSputnik

Test Management & Tracking: Jira, Trello, Confluence, Zephyr Scale, Testomatio, Testini

Automation: Python, pytest, Appium, Appium Inspector, Selenium, Git, CI/CD

Web: DevTools, HTTP/HTTPS, Cross-Browser Testing

Methodologies: Scrum, Kanban, SDLC, STLC

AI Tools: Claude.AI, ChatGPT

EXPERIENCE
January 2026 - July 2026
2K (Kyiv, Ukraine)
2K is a Ukrainian online casino operator offering casino games from Remote
third-party game providers.

MANUAL QA ENGINEER & TECHNICAL SUPPORT

• Performed functional, regression and smoke testing of a mobile application for iOS and Android, built from
scratch with Flutter
• Created test documentation for the mobile application from scratch and updated existing documentation for
the website
• Performed backend API testing using Postman and Swagger
• Performed functional and regression testing of a web platform, documented defects in Jira and retested fixes
after they were resolved
• Validated data in the database using DbVisualizer: ran SELECT queries to verify data integrity and confirm
that application behavior matched business logic

• Handled technical support requests: investigated issues using the back office, the database and logs, then
provided a solution to the user or reported a bug when a defect was confirmed

• Proposed improvements to testing and release processes, based on experience from previous projects
• Tested scheduled backend tasks (Cron jobs)
• Performed cross-browser testing

EVO (Kyiv, Ukraine) April 2025 - January 2026
EVO is a Ukrainian product company operating large e-commerce marketplaces Remote

MANUAL QA ENGINEER

• Performed functional testing of the Shafa marketplace web platform, checking key user flows and verifying
that features worked according to requirements

• Performed testing of the Shafa marketplace mobile app (iOS & Android) using both real devices and emulators
to verify correct behavior across different device models and OS versions
• Tested mobile events in eSputnik, verifying that events were triggered correctly and delivered the
expected data
• Tested in-app purchases on iOS and Android with real accounts (the “Smart” subscription, in-app
goods in app, account top-up), verifying that purchases were correctly applied to the user account.
• Set up and verified an A/B test in Firebase, checking that users were split into variants and each variant
behaved as intended
• Built mobile app test builds from Git feature branches and tested new functionality before merging; also tested
builds distributed via TestFlight and App Tester
• Logged defects in Jira, providing clear steps to reproduce them, and performed retesting after the
fixes were applied.
• Collaborated with developers to reproduce complex defects and find their root cause
• Performed smoke, regression and functional testing to confirm that new releases were stable
before and after deployment
• Tested functionality controlled by feature flags, verifying behavior with the flags both enabled and
disabled
• Tested scheduled backend tasks (Cron jobs)
• Created test documentation, including test cases, checklists and bug reports, to cover new functionality
and support regression testing

• Used Claude AI to analyze requirements, identify edge cases and draft bug reports from short
summaries

Targer (Rivne, Ukraine) June 2023 - April 2025
A Ukrainian product-based IT company specializing in the development of its On-site
own digital products, specifically mobile applications in the e-commerce sector.

MANUAL QA ENGINEER

• Performed testing of the iOS and Android mobile applications on both real devices and emulators to
verify correct functionality across different device models and operating system versions.
• Developed test documentation for a mobile application from scratch, including test cases, checklists,
and test scenarios

• Performed functional testing of the back-office system
• Developed and maintained automated smoke tests for a mobile application (IOS & Android) using
Python and Appium.
• Created a Requirements Traceability Matrix (RTM) to track requirement changes and their coverage by test
cases
• Collaborated with developers to reproduce complex defects and find their root cause
• Organized internal alpha testing before release: briefed colleagues on what to verify, distributed test
cases among them, provided test devices and documented the defects they found

EDUCATION LANGUAGES

IT Step School English - Intermediate(B1)
Manual testing course Ukrainian - Native
RFK NUBiP of Ukraine
Bachelor's degree in Software Engineering