Building Scalable Web Applications with React & TypeScript

Led frontend development for a pioneering medical laboratory's Universal Medical Record System. Built responsive dashboard interfaces for 5 distinct user roles, reducing workflow completion time by 40% and increasing operational efficiency. Implemented patient portal with secure payment integration achieving 65% increase in patient self-service adoption. Engineered multi-format medical data system with 99.8% success rate, cutting result delivery time from 48 hours to under 24 hours. Integrated OAuth authentication and HIPAA-compliant security framework with zero data breaches. Optimized frontend performance with 92+ Lighthouse scores and 60% faster load times through code splitting.

Architected business funding platform with multi-role architecture serving Administrators, Partners, and Business Owners using Nest.js, Express.js, PostgreSQL, and React. Built partner referral system with automated commission tracking and payment processing integration. Developed deal pipeline management with stage-based workflows and real-time analytics dashboards using TanStack Query. Implemented RBAC with role-specific interfaces and comprehensive admin panel for user management and financial reporting. Designed normalized database schemas ensuring financial compliance and audit requirements. Collaborated with 7-member cross-functional team including compliance consultant in Agile environment.

Developed advanced skip-tracing intelligence platform for real estate investors. Architected and developed full-stack features including responsive dashboard with Excel/CSV import functionality using React, TypeScript, Node.js, and Express. Designed and implemented RESTful APIs with Express.js, handling 10,000+ daily requests with optimized database queries. Built robust backend services with MongoDB for data persistence and Redis for caching, reducing response times by 45%. Integrated ChatGPT API on both frontend and backend, resulting in 40% improvement in marketing content generation. Implemented authentication system using JWT and OAuth for secure user access. Developed a reusable component system that improved development efficiency by 30%. Optimized full-stack performance through code splitting, lazy loading, database indexing, and query optimization.

Delivered end-to-end web solutions for multiple clients including Juulr (SEO analytics), DSI (logistics tracking), and WallsToHome (interior design marketplace). Engineered 15+ React-based applications with custom dashboards, reducing project completion time by 25% through component reusability and efficient state management architectures. Developed REST APIs and real-time data synchronization systems using Node.js, Express, and WebSockets that improved data processing speed by 40%. Designed and optimized PostgreSQL database schemas resulting in 35% faster query performance for analytics-heavy applications. Integrated third-party APIs for SEO analytics, payment processing, and logistics tracking. Built administrative interfaces that improved client operational efficiency by 25%. Maintained 90% client satisfaction rate by delivering pixel-perfect implementations of Figma designs while ensuring cross-browser compatibility and accessibility compliance.