Senior QA Engineer (Client & Mobile Experience) at Sun International

Job Description

• 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

Job Requirements

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)