Designed and implemented end-to-end features across React frontend and Node.js backend services for high-volume e-commerce and payment platforms.
Developed SPA interfaces and reusable UI components supporting complex user workflows and transactional states.
Built and integrated REST APIs for onboarding, checkout flows, and payment lifecycle management.
Implemented analytics dashboards and data visualizations for operational monitoring and reporting.
Optimized application performance through improved rendering patterns, API request management, and database query optimization.
Contributed to deployment and infrastructure improvements using Docker and CI/CD pipelines.
Participated in maintaining production environments and resolving incidents affecting frontend and API services.
Improved automated testing coverage across frontend and backend systems.
Worked closely with product teams to deliver secure, scalable user-facing financial systems.
