Pankaj Khani

Pankaj Khani § github | ï linkedin | € mysite | #-| H - Summary Dynamic Full Stack Developer specializing in AI-powered applications, workflow automation, and scalable solutions. Expertise in engineering LLM-integrated systems for customer service, voice AI, and personalized interactions using React, Node.js, Python, and AWS. Proven track record of optimizing performance, driving innovation and enhanced scalability. Eager to contribute to high-growth teams by building robust, customer-centric products. Work Experience Full Stack Developer, Excellence Technologies September 2024 – Present – Engineered Large Language Models (LLMs) integrations into core applications, powering AI chatbots that processed 10,000+ daily queries, automated data generation, and improved intelligent filtering for a 30 – Developed map-based features for property search platforms using Google Maps and Mapbox APIs, enabling real-time location display and custom geolocation, resulting in 40 – Deployed scalable full-stack applications on AWS, leveraging Cognito for secure authentication, Lambda for serverless computing, S3 for storage, and User Pools for management, achieving 99.9 – Designed RESTful APIs with Node.js and Express.js, facilitating seamless front-end/back-end communication and reducing API latency by 25 – Built responsive, user-centric front-end interfaces using Next.js, React.js, and Tailwind CSS, enhancing cross-device UX and increasing mobile engagement by 35 – Contributed to system architecture, deployment pipelines, and technical documentation, streamlining development workflows and supporting 2x faster feature rollouts. Software Development Intern, STEM Quest Education Pvt. Ltd. (GeniusLabs) April 2024 – – Led MERN stack migration with React.js and Node.js/Express.js, improving site performance by 50 – Implemented RESTful APIs and RAG with Pinecone for efficient data retrieval, reducing integration time by 40 – Documented system architecture and deployment procedures, supporting a team of 5 with Langfuse for monitoring. Education 2020 – 2024 B.Tech in Computer Science & Engineering at Dronacharya Group of Institutions, Greater Noida (AKTU) Technical Skills Languages Frontend Development Backend Development Cloud & DevOps Databases Real-Time & AI Tools JavaScript, TypeScript, Python, C/C++ React.js, Next.js, Tailwind CSS, Redux, AJAX/JSON Node.js, Express.js, RESTful APIs, GraphQL AWS (Cognito, Lambda, S3), Docker, Firebase, Supabase, Appwrite.io MongoDB, MySQL, PostgreSQL, Redis WebSockets, Socket.IO, Machine Learning (LLMs), Natural Language Processing, LangChain, RAG, Vapi, Retell AI, N8n, Langfuse