Portfolio
Real-world products built with scalable frontend architecture and engineering discipline.
Enterprise-grade fintech UI for PayPal's internal operations
Redesigned and optimized the core Limitation and Shipment Tracking interfaces used by PayPal's internal operations team — handling millions of transactions daily.
5% improvement in application load speed
7% reduction in internal processing time
Expanded Cypress E2E coverage across critical workflows
Improved observability with Datadog migration
Problem
The existing UI was built on legacy patterns causing slow load times, inconsistent state management, and poor visibility into shipment workflows. Internal teams were losing productivity due to UI bottlenecks.
Solution
Rebuilt the frontend architecture using optimized React patterns — code splitting, lazy loading, memoization, and a real-time workflow component system. Migrated observability stack from Splunk to Datadog for better monitoring.
Systematic performance engineering for enterprise React apps
A comprehensive performance optimization initiative applied across a large-scale enterprise React application — focusing on bundle size, render performance, and runtime efficiency.
40% reduction in initial bundle size
Scalable component library used across 5 client products
Built a production-grade design system and React component library at NeoSoft Technologies — adopted across multiple client projects to enforce UI consistency and accelerate development.
30% reduction in UI inconsistencies across products
AI-powered frontend code analysis and feedback platform
A React application that analyzes frontend code using AI — providing instant feedback on performance issues, accessibility violations, and best practice improvements with actionable suggestions.
Reduces code review turnaround from hours to seconds
Real-time AI output visualization and prompt management platform
A high-performance analytics dashboard for monitoring and managing AI model interactions — visualizing token usage, response quality metrics, prompt performance, and cost analysis in real time.
Real-time monitoring of AI API usage and costs
Production-grade custom ChatGPT-like UI with streaming responses
A polished, production-ready chat interface built in React — featuring streaming AI responses, conversation history, markdown rendering, code highlighting, and multi-session management.
Streaming responses render token-by-token with zero jank