On-site Full Time
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Argaam Investments

Job Details

Mobile Application Tester – Job Description


About the Role


Department: Technology

Location: Pakistan/Egypt

Employment Type: Full-Time

Reports To: QA Lead

We are looking for a detail-oriented and experienced Mobile Application Tester to join our QA team. You will be responsible for ensuring the quality, performance, and reliability of our mobile applications (iOS & Android) with a strong focus on API testing and end-to-end integration testing. You will work closely with developers, product managers, and backend engineers to deliver seamless user experience.

Key Responsibilities

Mobile Application Testing

  • Design, develop, and execute manual and automated test cases for iOS and Android applications
  • Perform functional, regression, smoke, sanity, and exploratory testing on mobile builds
  • Test across multiple devices, OS versions, and screen resolutions
  • Validate UI/UX against design specifications and product requirements
  • Conduct performance, load, and stress testing on mobile apps
  • Test push notifications, deep links, background processes, and offline behavior
  • Verify app behavior across network conditions (2G, 3G, 4G, 5G, Wi-Fi, no connectivity)

API Testing

  • Design and execute REST API test cases using tools like Postman
  • Validate API request/response structures, status codes, headers, and payloads
  • Perform positive, negative, and boundary testing on all API endpoints
  • Verify authentication mechanisms (JWT, OAuth 2.0, API keys)
  • Test rate limiting, throttling, and error handling behaviour
  • Maintain and manage Postman collections scripts for automated API test suites
  • Validate data contracts and schema consistency between API versions

Integration Testing

  • Execute end-to-end integration tests between mobile app, backend APIs, and third-party services
  • Validate data flow and communication between microservices
  • Test payment gateway integrations, third-party SDKs, and external service APIs
  • Verify webhook behaviors, callbacks, and event-driven flows
  • Ensure consistency between app behavior and backend data (database validation)
  • Collaborate with backend teams to trace and debug integration failures

Test Management & Reporting

  • Write detailed bug reports with clear reproduction steps, screenshots, and logs
  • Maintain test plans, test cases, and traceability matrices in tools like YouTrack.
  • Track, prioritize, and follow up on defects through to resolution
  • Participate in sprint planning, daily standups, and retrospectives (Agile/Scrum)
  • Generate and share QA reports with stakeholders


Required Skills & Qualifications


Must-Have

  • 3–5 years of experience in mobile application testing (iOS & Android)
  • Hands-on experience with API testing tools: Postman.
  • Strong knowledge of RESTful APIs, HTTP methods, and JSON/XML
  • Experience with mobile testing tools: Xcode simulator, Android Studio emulator, real devices
  • Familiarity with Fiddler for network traffic interception and debugging
  • Understanding of authentication flows: OAuth, JWT, session tokens
  • Experience with bug tracking tools: Jira, YouTrack, or similar
  • Ability to read and interpret API documentation (Swagger/OpenAPI)
  • Knowledge of the SDLC and Agile/Scrum methodology
  • Strong analytical and problem-solving skills with high attention to detail


Nice-to-Have

  • Experience with mobile test automation frameworks: Appium
  • Knowledge of CI/CD pipelines and integrating tests with Jenkins, GitHub Actions
  • Experience with performance testing tools: JMeter
  • Familiarity with SQL for backend data validation
  • Experience testing financial, fintech, or data-heavy applications
  • Understanding of WebSocket or real-time data testing
  • Scripting knowledge in Python, JavaScript, or Bash for test automation


Tools & Technologies

  • CategoryTools
  • API Testing
  • Postman
  • Mobile Testing
  • Xcode, Android Studio, BrowserStack, Sauce Labs
  • Network Debugging
  • Fiddler
  • Test Management
  • YouTrack / Jira
  • Automation (Preferred)
  • Appium
  • CI/CD
  • Jenkins, GitHub Actions
  • Version Control
  • Git / GitHub
  • Education & Certifications
  • ISTQB / CTFL certification is a plus


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Argaam Investments
mobile application tester
About Argaam Investments
Egypt, Cairo
Information Technology and Services