I am a Senior Frontend Engineer with 6+ years of experience building high-performance, scalable web applications. I specialize in React.js, Next.js, TypeScript, and UI/UX optimization, ensuring seamless user experiences and efficient development workflows. As a founding engineer at a Y Combinator–backed startup, I helped scale the user base from 0 to 50K+ and the engineering team from 4 to 180+.
✅ Frontend Development – Expert in building dynamic and responsive web applications using React.js, Next.js, Material-UI, Styled Components, Tailwind CSS.
✅ Performance Optimization – Boost website speed with SEO best practices, lazy loading, code splitting, and memoization.
✅ Design Systems & UI/UX – Developed scalable component libraries to enhance UI consistency and development efficiency.
✅ LMS, CRM & Dashboard Development – Built feature-rich LMS, Mentor Management, CRM dashboards, and CMS for enterprise-level applications.
✅ AI-Integrated Frontends – Built offline-first AI chatbot experiences using local LLMs, Web Workers, and Next.js.
✅ Backend & Tools – Skilled in Node.js, MongoDB, AWS, and Linux commands for full-stack development.
- Offline-First AI Chatbot – Built an offline-first AI chatbot at Solo Tech using Next.js, Ollama, Web Workers, and Hugging Face APIs, running local LLMs like DeepSeek-R1 fully in-browser with a 40% reduction in latency and sub-200ms response times.
- Website Revamp & Migration – Led the frontend rebuild during Novatr's brand transition from Oneistox, and migrated legacy PHP interfaces to React.js/Next.js, reducing load times by 35% and improving lead conversion by 22%.
- LMS Development – Built multiple versions of LMS/MMS dashboards used by 15K+ learners, with live sessions, task submissions, assignments, quizzes, and mentor workflows.
- Order Management System – Built the frontend for an OMS handling course purchases, multi-currency checkout, and automated payment reconciliation.
- Lead Management & Refer-and-Earn – Architected the Lead Management System UI centralizing the sales pipeline, and built a Refer & Earn portal with referral tracking and payout status displays.
- Design System – Launched a private design system (inspired by Razorpay's Blade), adopted by 10+ internal teams, reducing UI bug reports by 30%.
- CRM & Sales Dashboard – Built a hierarchical CRM sales dashboard with Stripe billing, role-based access, and analytics via Chart.js/PrimeReact.
- CMS for Course Management – Built a node-tree-based CMS, improving data accuracy and reducing operational inefficiencies.
- Frontend: React.js, Next.js, TypeScript, JavaScript, Redux Toolkit, Tailwind CSS, Styled Components, Material-UI, PrimeReact
- Performance & SEO: Code Splitting, Lazy Loading, Lighthouse, Memoization, WebP, Web Workers, PWA
- AI/LLM Integration: Ollama, Hugging Face, DeepSeek-R1
- Backend & Tools: Node.js, MongoDB, AWS, Git, GitHub, Vercel, Webpack, Babel, Postman, Three.js, CI/CD
📩 Email: shajadsheikh32@gmail.com 💾 LinkedIn: Shajad Sheikh 💻 GitHub: itsshajad



