Diduni W.

I’m an ISTQB-certified QA Engineer with 7+ years of professional experience testing mobile apps, web applications, backend systems, APIs, and enterprise-level software. I specialise in manual testing, mobile app testing, test planning, and test management using tools like Jira, Xray, TestRail, TestLink, and Postman. I’ve worked with UK, US, European, and Asian companies including large transportation systems, warehouse management platforms, telecom systems, and e-commerce mobile apps ensuring every release is stable, reliable, and ready for production. ✔ Core QA Skills Manual Testing (Mobile + Web) Test Planning & Test Strategy Test Case Design (Xray, TestRail, TestLink) End-to-End / System / Integration Testing API Testing (Postman, Swagger, REST) Regression, Smoke, UAT, Functional Testing Defect Reporting & Test Documentation Automation Basics (Selenium, Cypress – if needed) ✔ Tools Jira • Xray • TestRail • TestLink • Postman • Swagger • SoapUI • Azure DevOps • Git • JMeter ⭐ Experience Highlights 🔹 Transportation Ticketing System – Public Transport Network (UK) Validated fare revisions, ticketing devices & system updates with zero post-deployment critical issues. Performed system/network-level testing in live transport environments. Enhanced test coverage and introduced reusable test scenarios. 🔹 E-commerce Mobile App (Android & iOS) – Agriculture Marketplace Led QA strategy for a global mobile platform. Reduced defect leakage by ~20% through structured test design. Identified 50+ critical issues, improving overall product reliability. Validated REST APIs and improved backend error handling. 🔹 Warehouse Management System – International Logistics Company Tested cross-border warehouse operations (UK, US, Japan, Korea). Validated RFID scanning, barcode scanners, and label printing systems. Developed automation scripts to increase regression coverage. 🔹 Telecom CRM, Billing & IPTV Systems Performed end-to-end, integration, and performance testing. Validated billing, subscription, account management & hardware workflows. Conducted API/database testing (SQL, Oracle DB). 🔹 Fitness, Entertainment & E-commerce Apps (Multiple Projects) Performed UI, cross-browser, and functional testing. Supported UAT and improved end-user experience. ⭐ What You Will Get When You Hire Me Professional test plan, test cases & test scenarios Detailed bug reports with screenshots/videos Mobile testing on real devices API testing with structured documentation Regression + smoke test cycles Release validity report for your development team Clear communication & fast delivery I help teams release confidently with high-quality, well-tested software. Let’s work together!