Hi - I'm Kashan IlyasSENIOR FULL STACK ENGINEER
Senior Full Stack Engineer with 5+ years building production-grade web applications. I architect AI-powered backends — full RAG pipelines with LangChain over GPT-4, Pinecone vector search, and NLP sentiment analysis — alongside scalable real-time systems (Socket.io clustering, Redis pub/sub, WebRTC) and modern React/Next.js frontends. Strong track record of leading teams and shipping high-impact products on deadline.
// Projects
Wow Chat - Real-Time Communication Platform
Web3
Active
Architected and developed a production-ready real-time messaging platform backend supporting thousands of concurrent WebSocket connections. Implemented wallet-based authentication, multi-device message synchronization, video/audio calling with WebRTC, group chats, broadcast channels, and push notifications. Built with TypeScript, Node.js, Socket.io, MongoDB, and Redis using a scalable cluster-based architecture with horizontal scaling capabilities. Features include real-time presence tracking, file uploads to AWS S3, session management, and comprehensive error handling.
Crypto Exchange Platform
Client Work 🙍♂️- Active
Developed a centralized exchange backend focused on BEP20 spot trading, ICO lifecycle management, and powerful admin tooling. Built with a modular NestJS architecture using PostgreSQL, Redis, and WebSockets for real-time market data, order books, and balance updates.
Catbotica
Web3 🔥Delivered frontend (FE) work for Catbotica, focusing on a polished, responsive UI and strong UX. Implemented key pages/sections, reusable UI components, and production-ready styling, ensuring fast load times and consistent behavior across devices and browsers.
Bear and Bull Game - Ethereum
Web3 🔥- Launched
Led a full-stack team in developing the Bear and Bull game on the Ethereum network, implementing a Dutch auction and adding staking features for NFTs, which rewarded users based on their participation. Successfully launched NFT collections with dynamic metadata that updates every 24 hours.
// Expertise:
I have a wide range of expertise to ensure you have the best written code and stay ahead in the competition.
AI Engineering
Building AI-powered backends with full RAG pipelines — LangChain over GPT-4, Pinecone vector search, semantic retrieval, and NLP sentiment analysis to drive intelligent product features.
LLM Apps & Chatbots
Designing LLM-driven assistants, natural-language query interfaces, and agentic workflows with embeddings, vector databases, and context-aware retrieval.
Real-time Applications
Building real-time chat, audio/video calling, and live updates with Socket.IO clustering, Redis pub/sub, and WebRTC at scale.
Full Stack Development
Building end-to-end applications with React.js, Node.js, and Next.js for both Web2 and Web3 platforms.
Backend Development
Developing scalable server-side applications, APIs, and microservices using Node.js, Express.js, PostgreSQL, and Redis.
Web3.0 Development
Building blockchain-based applications, smart contracts, and Web3 integrations using Ethers.js, Web3.js, and TON blockchain.
Let's Talk
We'd love to help
With deep expertise in real-time systems, AI-powered backends, and modern web frameworks, I'm here to help bring your innovative ideas to life. Let's discuss how we can work together to create impactful solutions.