Senior QA Engineer (Client&Mobile Experience), Cape Town

The Senior QA Engineer (Client&Mobile Experience) is responsible for designing, building, and maintaining automated test frameworks that safeguard the quality, usability, and visual consistency of Sun Internationals web and mobile player-facing applications. The role focuses on browser-based end-to-end testing, mobile app testing, cross-device validation, visual regression, accessibility compliance, and frontend performance—ensuring every release delivers a seamless, engaging, and regulation-compliant experience across all devices and platforms.

Core behavioural&Technical / proficiency competencies

UI&End-to-End Test Automation (Playwright, Cypress, Selenium)

Mobile Test Automation (Appium, Detox, Flutter integration tests)

Visual Regression Testing (Percy, Chromatic, BackstopJS)

Accessibility Testing (axe-core, Lighthouse, WCAG 2.1)

Frontend Performance Testing (Lighthouse CI, Core Web Vitals)

Cross-Browser&Cross-Device Testing

Programming&Scripting (TypeScript/JavaScript)

CI/CD&Pipeline Integration (Azure DevOps)

Test Strategy, Planning&Risk-Based Analysis

Defect Management&Root-Cause Analysis

Understanding of localisation, multi-currency display, and regional compliance

Problem-Solving&Analytical Thinking

Collaboration&Communication

Agile&Adaptable

Customer-Centric Orientation

Execution&Delivery Focus

Attention to Detail&Rigour

Innovation&Continuous Improvement

Qualifications

Bachelor’s degree in computer science, Software Engineering, Information Technology, or a related field (required)

ISTQB Foundation or Advanced Level certification (advantageous)

Relevant automation or accessibility certifications (advantageous)

Experience

8+ years’ experience in software quality assurance, with at least 3 years focused on UI and end-to-end test automation

Strong proficiency in Playwright for browser-based end-to-end and cross-browser test automation

Hands-on experience with at least one additional UI automation framework (Cypress, Selenium, or equivalent)

Experience with mobile test automation (Appium, Detox, or Flutter integration testing)

Solid programming skills in TypeScript/JavaScript; familiarity with Dart or Python is a plus

Experience with visual regression testing tools (Percy, Chromatic, BackstopJS, or Playwright screenshots)

Working knowledge of accessibility testing tools and WCAG 2.1 standards (axe-core, Lighthouse)

Experience with frontend performance measurement (Lighthouse CI, Core Web Vitals, browser DevTools profiling)

Working knowledge of CI/CD pipelines (Azure DevOps preferred) and pipeline-integrated test execution

Familiarity with device farms or cloud testing platforms (BrowserStack, Sauce Labs, or AWS Device Farm)

Experience in iGaming, fintech, or other regulated industries (advantageous)

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