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QA Engineer at ITRexGroup testing a mobile crypto wallet and fintech admin back-office.

Poland

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At ITRexGroup, I test a mobile crypto wallet and web admin back-office for a fintech product. I’m setting up the QA process, creating test and feature specifications, and introducing AI practices into QA routine tasks.

At ZingCoach, I tested the iOS, Android, and web product, and worked with the development team to launch the Android app. I also launched AI Assistant functionality, including chatbot features, WhatsApp Assistant chat integration, and AI coach widgets.

Earlier, I tested mobile and web products at BitMediaSoft, Yandex, and PlaytikaUA, covering areas such as payments, client-server interactions, and release testing. My experience also includes release management at Yandex and backend testing with tools including Insomnia, DBeaver, and Couchbase.

Experience

Work history, roles, and key accomplishments

Current

QA Engineer

Current

ITRex Group

Mar 2026 - Present (7 months)

Working on a customer project for a fintech product, performing iOS/Android/Crypto payments testing, setting up QA processes, and implementing AI practices into QA routine tasks.

iOS Android Crypto Payments Functional Testing Regression Testing Exploratory testing API Testing Postman QA Process Establishment AI Integration

QA Engineer

Zing Coach

Mar 2023 - Sep 2025 (2 years 6 months)

Worked on the main product, a mobile fitness coaching app, performing iOS/Android/Web funnel and payments testing, launching Android app and AI Assistant functionality from scratch, and onboarding new employees.

iOS Android Web Testing Payments Testing Functional Testing Regression Testing Exploratory testing API Testing Localization Subscriptions AI Assistant Chatbot WhatsApp Integration Process Improvement Documentation Onboarding

QA Engineer

Bit Media Soft

Aug 2022 - Nov 2022 (3 months)

Worked on a mobile music social media app, performing functional, regression, localization, backend, and database testing, and created documentation for features developed with lack of requirements.

Manual Testing Functional Testing Regression Testing Localization Backend Testing Insomnia DBeaver Documentation

QA Engineer

Yandex

Oct 2018 - Aug 2022 (3 years 10 months)

Worked on mobile iOS Yandex Browser and Search App, performing various types of manual testing, release management, and onboarding new employees.

Manual Testing Functional Testing Integration Testing Localization Requirements Based Testing UI Testing Performance Testing Regression Testing Client Server Integration Charles Proxy Insomnia Analytics A B Testing Release Management app store Onboarding

QA Engineer

Playtika

Jun 2017 - Oct 2018 (1 year 4 months)

Tested client-server interaction and server parts for a social casino game, wrote test cases and checklists, and participated in planning and optimization of testing processes.