United Tech

Middle QA Engineer – Mobile

United Tech
Posted 10/20/2026full-timeRemote • UkraineJuniorMid-LevelWebsite
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Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in manual testing of mobile applications, including backend testing with REST APIs and database validation using MongoDB. Proficient in test design techniques, analytics testing, and utilizing AI tools for test documentation and case generation.

Highest-signal resume keywords
Manual TestingBackend TestingAPI TestingTest Management SystemsMobile App Testing

Tech Stack

Tools & technologies
AndroidiOSMongoDB

About the role

Key responsibilities & impact
  • Own features end to end: review PRDs, design test coverage and publish feature documentation for the whole QA team
  • Perform functional, smoke, sanity, and regression testing of mobile apps on real devices
  • Test the backend manually via REST APIs across multiple services and validate client–backend integrations
  • Validate business logic, pricing, feature flags, and user data at the database level in MongoDB
  • Analyze client–server traffic with proxy tools to identify whether bugs are client- or backend-side
  • Test in-app purchases, attribution, personalization flows, and A/B experiments affecting revenue
  • Validate analytics events and tracking
  • Set up test conditions via the admin panel and JSON configs
  • Create and maintain test cases, checklists, bug reports, and test reports
  • Use and grow the AI-based toolset for test-case generation, checklists, and PRD analysis
  • Work within Scrum and continuously improve testing speed and quality

Requirements

What you’ll need
  • 2+ years of experience in manual testing, including backend testing with API tools and databases
  • Hands-on experience testing iOS/Android apps on real devices
  • Experience with proxy debugging tools: Charles, Proxyman or Fiddler
  • Strong knowledge of test design techniques and requirements analysis
  • Experience testing in-app purchases
  • Experience setting up test conditions via JSON configs or admin panels
  • Experience with test management systems such as Qase, TestRail or similar
  • Experience using Claude or other AI tools for testing and creating test documentation
  • Experience working in fast release cycles
  • English at B1 level or higher
  • Structured thinking, eagerness to learn and clear communication
  • Result-oriented mindset, team spirit and flexibility
  • Experience with MongoDB Compass, analytics testing, A/B testing, marketing testing, localization testing, and TestFlight are a plus

Benefits

Comp & perks
  • 20 paid days off
  • 15 days off due to sickness
  • 6 additional days off for family events
  • Up to 10 additional days off for public holidays
  • 100% medical insurance coverage
  • Sports and equipment reimbursement
  • Team building events, corporate gifts, and stylish merch
  • Financial and legal support
  • Position retention and support for those who join the Armed Forces of Ukraine
  • Participation in social initiatives supporting Ukraine
  • Flexible hours of business activity
  • Modern equipment or depreciation of your own tools
  • Performance-oriented reviews and Individual Development Plans (IDPs)
  • Reimbursement for professional courses and English classes
  • Corporate library, book club, and knowledge-sharing events
  • Investment in modern AI tools and AI skills development

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
Functional TestingRegression TestingSmoke TestingSanity TestingTest Case CreationRequirements AnalysisAnalytics TestingA/B TestingMongoDBJSON Configs
Soft Skills
Structured ThinkingEagerness to LearnClear CommunicationResult-Oriented MindsetTeam SpiritFlexibility
Tools & Technologies
CharlesProxymanFiddlerQaseTestRailClaudeTestFlight
Industry Keywords
Mobile AppsIn-App PurchasesClient-Backend IntegrationAnalytics EventsFast Release Cycles