• 💼 Frontend Engineer with 3+ years of experience building scalable, high-performance web applications
• ⚡ Specialized in performance optimization, large-scale data handling (200K+ records), and frontend architecture
• 🧠 Strong focus on clean architecture, reusable systems, and scalable UI design
• 🤖 Currently building an AI SaaS platform using modern full-stack and serverless technologies
• 📈 Proven impact:
  • 🚀 Improved performance by 60%
  • 📉 Reduced technical debt by 30%
  • 🧪 Increased test coverage from 0% → 85%+

📍 India | Sep 2025 – Present

• 🏗 Designed scalable frontend architecture using React.js & TypeScript
• 🧩 Built reusable component library improving dev efficiency by 25%
• 🔌 Developed centralized API layer with error handling & retry mechanisms
• ⚡ Optimized performance using memoization, lazy loading, and rendering strategies
• 🧪 Improved test coverage from 0% → 80%+

📍 Noida, India | Dec 2022 – Apr 2025

• 🚀 Led migration to React.js + TypeScript, reducing technical debt by 30%
• ⚙️ Optimized AG Grid (200K+ records) improving performance by 60%
• 🧩 Built reusable component systems improving development speed by 50%
• 🔄 Reduced API calls by 25% using interceptors and caching strategies
• 🧪 Achieved 85%+ test coverage and resolved 100+ code quality issues

Scalable frontend system handling large datasets with real-time updates

• 📊 Built high-performance dashboard handling 200K+ records using virtualization
• ⚡ Implemented real-time updates (WebSockets) with optimized rendering
• 🧠 Reduced re-renders using memoization & efficient state management
• 🔌 Designed centralized API layer with retry & error handling
• 📈 Achieved 90+ Lighthouse performance score

👨‍💻 Founder & Full-Stack Developer (Apr 2025 – Present)

• Built using Next.js, TypeScript, Supabase, OpenAI APIs
• Designed serverless, multi-tenant architecture supporting scalable workloads
• ⚙️ Automated CI/CD pipelines reducing deployment time by 30%
• 🚀 Preparing private beta launch with early users

React.js · Next.js · Redux Toolkit · TypeScript · Tailwind CSS · AG Grid

Scalable Architecture · Design Patterns · Memoization · Code Splitting · Lazy Loading

Node.js · Express.js · REST APIs · PostgreSQL · MongoDB

Jest · React Testing Library · Code Coverage (80%+) · SonarQube

Git · Docker · CI/CD · Azure Boards · Webpack

• ☁️ System Design & Scalable Frontend Architecture
• 🤖 AI + Automation Systems (OpenAI, Cursor AI)
• ⚡ Performance Engineering & Web Vitals

• ✉️ Email: madandoor7s@gmail.com
• 💼 LinkedIn: https://linkedin.com/in/maddy-o
• 🧑‍💻 GitHub: https://github.com/Maddy-O

I don’t just build UI — I build scalable systems that perform under pressure ⚡
Outside tech, I enjoy fitness 🏋️‍♂️ and experimenting with AI tools 🤖