Fayez Bismilla Khan

Developed responsive web apps with React.js, Next.js, Tailwind CSS, and modern JS. Built scalable back-end systems using Node.js, Express.js, NestJS, and PostgreSQL. Integrated RESTful APIs, optimized performance, and implemented security best practices. Actively contributed in Agile teams, mentored juniors, and deployed apps on AWS, Heroku, and DigitalOcean. Proficient in SSR with Next.js and database design with PostgreSQL.

Led backend API development with PostgreSQL and MongoDB, ensuring efficient data flow for web/mobile apps. Designed responsive UIs, optimized databases, and maintained high performance through debugging and upgrades. Collaborated with teams to deliver projects on time while ensuring data security. Built React Native apps with Expo, SSR apps with Next.js, and deployed solutions on AWS, DigitalOcean, Play Store, and App Store.

Built an AI-powered chatbot using Vercel AI SDK, integrating OpenAI GPT, Claude, and Gemini with RAG and Pinecone for accurate, context-aware responses. Developed responsive, high-performance web apps using Next.js, React.js, Tailwind CSS, and ShadCN, ensuring seamless cross-device experiences. Integrated Stripe for secure product-based payments and used Supabase for authentication, real-time database operations, and storage.