I ship production Next.js and MERN systems that are measurably faster, cheaper to run, and harder to break.

• 🚀 Cut API latency 30% by redesigning data-fetching architecture & strategic caching
• ⚡ Raised Lighthouse scores 25+ points through SSR/ISR, code-splitting & lazy loading
• 🐛 Reduced frontend defect rate 25% with component-level testing & PR review discipline
• 🤖 Integrated OpenAI workflows that automated 3 manual processes, saving 15+ engineering hours/sprint
• 🏛️ Delivered a UAE Government enterprise platform (IAVMEP) at enterprise scale with WCAG 2.1 AA compliance
• 🌍 Available for remote roles - comfortable with US (EST/PST) and EU timezone overlap

I don't just write code - I own outcomes.

Frontend

Backend

Database

AI / Automation

DevOps & Cloud

Testing & Quality

Production-grade Pomodoro timer for macOS, Windows & Linux · Built for the community

• 🖥️ Full Electron desktop app — main process timer, system tray, mini floating window, fullscreen overlay
• 🔄 Auto-update + crash reporting — electron-updater via GitHub Releases, electron-log file transport
• 📊 Analytics & streaks — daily/weekly charts, heatmap calendar, focus score (Recharts)
• 🎨 Modern UI — Framer Motion animations, glassmorphism, dark/light/AMOLED themes
• ⚙️ 6 built-in presets + custom — Classic 25/5, Deep Work 90/20, and more
• 🔐 Secure IPC — contextIsolation, no nodeIntegration, Zod-validated channels

Electron React 18 TypeScript Vite Zustand Tailwind CSS Framer Motion electron-builder

📥 Download · ⭐ Star it · 🤝 Contribute · ☕ Buy Me a Coffee

Multi-tenant SaaS platform with enterprise-grade access control

• 🏗️ Sole architect of 3-tier hierarchical RBAC (platform → company → business) - zero tenant data bleed since launch
• 🗄️ PostgreSQL schema with Prisma ORM + row-level tenant isolation + Stripe subscription billing
• ⚡ Sub-1s LCP via Next.js ISR, structured metadata & dynamic OG rendering

Next.js PostgreSQL Prisma Stripe RBAC TypeScript Tailwind CSS

Secure government platform serving enterprise-scale concurrent users

• 🏛️ Delivered secure modules meeting WCAG 2.1 AA and strict government security standards
• 🧩 Micro-frontend architecture coordinating multiple squads - zero critical regressions
• 🔐 React.js + Node.js with distributed system API contracts & integration testing

React.js Node.js Micro-frontend WCAG 2.1 AA TypeScript GraphQL

Automation-first marketing platform with AI integrations

• 🤖 API-based automation workflows reduced manual marketing tasks by ~40%
• ⚡ State management optimization cut unnecessary re-renders ~35%, reducing TTI by 1+ second

React TypeScript OpenAI API Automation Performance Optimization

Performance-critical UI for a fintech platform processing high transaction volumes

• 💳 Sub-200ms interaction response times on financial transaction UI
• 📈 JSON-LD structured data + Core Web Vitals optimization → measurable Google ranking improvement

React Next.js Performance SEO Core Web Vitals JSON-LD

Device-agnostic talent management system

• 📱 Zero cross-device layout issues post-launch across all device types
• 🔗 Complex backend API integrations with scalable, responsive UI

React Node.js REST API Responsive Design

Scalable networking platform with reusable component system

• 🧩 Reusable component library cut new feature development time by ~30%
• 🌐 Cross-browser compatibility improvements across all major browsers

React Component Library Cross-browser Performance

I'm actively looking for remote senior frontend / full-stack roles with US, EU, or global companies.

• ✅ Available immediately
• ✅ Comfortable with EST / PST / CET timezone overlap from India (UTC+5:30)
• ✅ 9+ years production experience - React, Next.js, Node.js, TypeScript
• ✅ Experienced leading delivery, not just executing tickets

📧 ntsagar@outlook.com

💼 linkedin.com/in/ntsagar