Customer Support & Quality Assurance professional with experience supporting 10,000+ global users in a SaaS environment. Skilled in handling high-volume customer inquiries, enterprise account support, VIP client management, complaints resolution, billing and refunds, and escalation handling. Proven ability to work cross-functionally with Product Managers and Developers as a Quality Assurance contributor, performing functional, use-case, and edge-case testing for mobile and web applications, and providing release-impact feedback prior to public deployment. Strong communication, analytical, and problem-solving skills, with experience following guided protocols while making sound judgment in fast-paced, customer-focused environments.