Software QA Engineer - Web & Mobile Testing

Denys Konovaliuk

Cell: +1-520-***-**** Email: **********.*****@*****.*** Location: Tucson, AZ, US LinkedIn SUMMARY

Seasoned Software Quality Assurance Engineer with over 6 years of professional experience in testing Web and Mobile (iOS/Android) applications, delivering high-quality products, and enhancing user satisfaction across e-commerce, finance, igaming, video-streaming, B2B, SaaS domains:

● Strong advocate of practicing shift-left methodology to contribute to the early stage of the software development life cycle, including collaboration with the Product, Business Analyst, Design, Engineering, and Customer Support teams

● Expert in designing QA documentation: Test Plans, Test Strategies, Test Scenarios, Test Cases, Traceability Matrix, User Stories

● Proficient in performing various types of testing: Functional, Regression, Integration, Smoke, Sanity, UI, Performance, Compatibility, E2E, User Acceptance (UAT), Localization, and Accessibility

(a11y), including keyboard navigation, high-contrast mode, and voice recognition (WCAG, Section 508). Strong knowledge of backend API testing and SQL queries used to retrieve, compare, and validate backend data across multiple tables using joins and filtering conditions.

● Enthusiastic about AI innovations, combining technical expertise with a creative, “out-of-the-box” QA mindset

● Currently upskilling in Playwright with JavaScript to build modern end-to-end test automation solutions

● Focused on identifying edge cases and high-severity defects with potential business and revenue impact.

WORK EXPERIENCE

QA Engineer Contract Remote

YumYum (baby nutrition app / iOS & Android) Tucson, AZ, USA 06/2025 – Present

● Conduct comprehensive testing in a fast-paced startup environment for a YUM YUM native iOS application, including validation of AI-powered features (Gemini model) for recipe generation, food logging, product management, checkout and payment workflows

● Perform smoke, functional, regression, sanity, UI, E2E, compatibility, and localization testing, applying a proactive and exploratory testing mindset

● Execute accessibility (a11y) testing using VoiceOver, Voice Control, High Contrast Mode, and Dynamic Text, ensuring compliance with WCAG and Section 508 standards

● Run API backend testing using Postman, Swagger by validating payload accuracy and response handling; utilized Charles Proxy for network traffic inspection and Xcode for debugging

● Create, execute and maintain test documentation: Test Plan, Test strategy, Test cases by following

“think-out-of- box” and “user-first” mindset (JIRA, Zephyr, Confluence)

● Provided a mentorship for newcomers to get them up to speed faster

● Established QA Triage process for tickets escalation and further prioritization

● Built a relationship with the Customer support team to review and triage customer-submitted issues, identifying and implementing effective workarounds

● Work closely with Product, Design, Engineering teams to help finalize requirements, design patterns and bridge the gaps between any inconsistencies and creating user stories Product Quality Analyst Contract UAE Remote

Lestars Management Consultancy LLC (igaming platform) 10/2024 – 05/2025

● Took ownership of B2B online igaming platform targeting European, Asian, and South American markets

● Ran SQL database validation by using SQL queries to make sure data is being synced, updated and deleted properly

● Assisted stakeholders in developing investor-ready product demonstrations QA Analyst Full-time Cyprus Remote

Pin Up (igaming) 06/2022 - 08/2024

● Led quality assurance efforts for a web-based application with emphasis on backend validation and data integrity

● Performed functional, regression, exploratory, and end-to-end testing across core product flows

● Conducted API testing using Postman and Swagger to validate responses against specifications

● Tested payment systems and transaction flows, including edge cases and failure scenarios

● Performed cross-browser and cross-platform testing to ensure consistent product behavior

● Maintained QA documentation including test plans, test cases, and test suites in Jira and Zephyr Associate QA Engineer Full-time Ukraine Onsite Ukrainian National Lottery (lottery) 08/2018 - 05/2022

● Performed UAT and validated business-critical features using Jira and structured test cases before release

● Tested payment flows, user accounts, and bonus logic through functional, regression, and E2E testing

● Identified defects impacting user experience and system stability, documenting and tracking issues in Jira

● Executed API validation using cURL and direct HTTP requests in collaboration with developers EDUCATION

Master’s degree, Finance 09/2002 - 06/2006

Vinnytsia Institute Of Trade And Economics, Vinnytsia, Ukraine Bachelor’s degree, Accounting and Finance 09/1998 - 06/2002 Vinnytsia Technical college, Ukraine

SKILLS

Testing: Functional, Regression, Smoke, Sanity, Exploratory, End-to-End (E2E), API, UI, UAT, Compatibility, Localization, Database, Accessibility, Performance and Load Testing Tools: Jira, TestRail, Zephyr, Postman, Swagger, Chrome DevTools, Git, GitHub, Docker, Jenkins, BrowserStack, Charles Proxy, Xcode, Android Studio, Figma Technologies: SQL, REST APIs, cURL, GenAI, LLM, Gemini Processes: SDLC, STLC, Agile (Scrum, Kanban), Bug Lifecycle, Defect Triage Additional: Product Analytics, A/B Testing, SaaS Platforms Soft Skills: Analytical Thinking, Communication, Attention to Detail, Problem Solving

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