Architected and delivered high-impact, full-stack solutions leveraging React JS, Redux, JavaScript, C#.NET, and Microservices Architecture to power high-traffic global resume platforms, including ResumeGenius, MyPerfectResume, and Zety. Spearheaded the end-to-end development of critical user touchpoints and infrastructure, spanning high-conversion SEM Landing Pages, intuitive Resume and Cover Letter Builders, and a seamless, secure Payments frontend. Engineered robust user ecosystems, including a comprehensive Dashboard and targeted retention features designed to maximize customer lifetime value. To ensure peak performance, scalability, and loose coupling, designed and deployed specialized BFF (Backend-for-Frontend) layers that seamlessly orchestrated communication between complex frontend applications and underlying microservices. Additionally, successfully pioneered high-quality resume templates, Public Resume Sites for social sharing, advanced job-matching algorithms, and an automated Resume Quality Score system. Championed technical excellence across fast-paced Agile environments, efficiently managing complex source code and cross-team collaboration.