Available to hire
I am Kseniia Musidze, a full-stack QA Engineer with experience across iOS, Android, Web, and Desktop platforms. I specialize in monetization and analytics validation for high-traffic apps, owning quality across the entire product lifecycle from requirements to release and post-production monitoring.
I leverage modern tools like Git, Cursor, Postman, and low-code automation with n8n to streamline testing and ensure data integrity. I have a strong track record in revenue-critical features (subscriptions, paywalls, ads, A/B testing, remote config), privacy compliance, and data-driven QA.
Skills
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Language
Russian
Fluent
English
Fluent
Work Experience
QA Engineer at Impala Studios
April 1, 2024 - PresentEnd-to-end quality owner for multiple iOS apps in an international product company with 5M+ MAU and revenue-critical monetisation systems. Lead validation of Apple IAP (subscriptions, trials, renewals), paywall AB tests, and Ad SDK waterfalls/mediation. Managed TestFlight distribution, App Store metadata validation, and release-candidate certification. Performed deep analytics & attribution validation (Firebase, Amplitude, AppsFlyer): event integrity, revenue reconciliation, and attribution flow verification. Debug cross-layer issues across Swift/UIKit/SwiftUI, backend REST APIs, and third-party SDKs. Applied shift-left testing: reviewed requirements/specs, validated pull requests, and identified edge cases impacting revenue/retention. Built and scaled automation framework from scratch using Katalon Studio (web/backend) and XCTest/XCUITest (critical user flows), with CI integration. Reduced regression cycle time and improved release confidence by expanding automation coverage for reven
QA Engineer at Software Country d.o.o
March 1, 2022 - April 30, 2023Backend Health Metrics: Performed backend validation of storage and processing via REST API testing (Postman), JSON structure checks, and client/server data consistency. Designed and executed functional, regression, and exploratory tests across mobile and backend layers. Production issue investigation using logs, crash reports, and analytics signals. Collaborated with distributed teams to clarify ambiguous requirements and reduce defect leakage. Maintained data trust in health metrics domain; validated endpoints, error handling, and authentication/permissions checks. Executed API testing and integration validation; contributed to test planning and documentation.
QA Engineer at AboutMe Apps
April 1, 2023 - April 1, 2024Health-tech ecosystem combining medical data tracking and social features with strict data accuracy and reliability requirements. Compliance & Data Privacy: Ensured application adherence to HIPAA standards, managing and testing sensitive medical data with focus on privacy, security, and integrity. Apple Health Integration (Mobile/Wearable device): Validated complex integrations and data synchronization scenarios, including background sync, historical consistency, and edge-case handling for missing or corrupted data. Backend & API Testing: Deep validation of health metric storage and processing via REST API testing; verified JSON structures and maintained strict client-to-server data consistency. Production Issue Investigation: Proactively investigated production issues by analyzing crash reports, system logs, and analytics signals, identifying root causes in a high-stakes environment. Customer Insights & Feedback Loop: Engaged with users to identify pain points and translate feedback i
Education
Qualifications
Industry Experience
Software & Internet, Media & Entertainment, Healthcare, Education, Professional Services
Skills
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