Ujjwal Tyagi
B.Tech IT student and full-stack developer with proven track record shipping production-grade backends, DeFi protocols, and autonomous AI systems. Targeting backend, blockchain, and full-stack engineering post where distributed systems and on-chain protocol work are central to the role.
Experience
Full-Stack Developer
Freelancer
Delivered multiple end-to-end web solutions for real clients as a freelancer, including a full-stack survey tracking platform built with Node.js, MongoDB, and React.js featuring live result dashboards; a wildlife conservation website developed with Next.js and Tailwind CSS, complete with species galleries, interactive maps, and SEO-optimized mobile-first design deployed on Vercel; and a virtual try-on e-commerce site integrating a React.js frontend with a Python backend for browser-based model inference, connected to a product catalogue with a full cart and checkout flow.
Education
KIET Group of Institutions
B.Tech
CGPA: 8.49
CBSE
Class XII PCM
93.6% in Physics, Chemistry, Mathematics
Skills
PROJECTS
CSA — Cronos Sentinel Agent
Python · TypeScript · Solidity · Next.js · Foundry · Cronos zkEVM
Architected autonomous AI trading system on Cronos zkEVM with 3-agent democratic voting council (2/ 3 majority + 70% confidence) — 25+ real trades, 87.5% win rate
Deployed 3 Solidity smart contracts (SentinelClamp, SimpleAMM, WCRO ERC-20) on Cronos testnet; pioneered blockchain-native HTTP 402 micropayment protocol
Integrated Next.js 16 frontend, Python/ Gemini AI sentiment agent, and Express.js/ WebSocket backend into a unified DApp achieving sub-50ms live dashboard latency across CoinGecko, News, Reddit, and Technical indicator feeds
Omni-Shield — Polkadot Privacy DeFi
Solidity · Foundry · Next.js · Polkadot PVM
Won 3rd place ($1,000) — Polkadot Solidity Hackathon (Track 2: PVM Smart Contracts)
Engineered privacy DeFi protocol integrating Blake2b (0x09) and BN128 Pedersen commitment precompiles — reducing commitment gas cost 88% (~12,000 vs 100,000+ in pure Solidity); deployed 7 contracts verified on Polkadot Hub testnet with 170+ Foundry tests and EIP-5564 stealth address implementation
autoOPS — AI Incident Response System
TypeScript · Node.js · BullMQ · Redis · WebSocket
built production incident response system in TypeScript: 12-step event-driven pipeline with AI severity classification (0–1 confidence scoring), Dead Letter Queue escalation, BullMQ/ Redis job queues, and distributed traceId per request — ~2,500 LOC
degen-launcher — Decentralized Token Launchpad
Solidity · Ethers.js · Next.js · Sepolia
Built ERC-20 token launchpad with automated bonding curve pricing on Sepolia testnet — deployed 6 tokens on-chain; MetaMask + Ethers.js/ Web3.js full-stack integration · 3 GitHub stars
BeatChat — Real-time Music & Chat Platform
TypeScript · React · Node.js · Socket.IO · MongoDB
Built real-time music collaboration platform in TypeScript with Socket.IO — synchronizing playback state and group chat across concurrent WebSocket sessions; secured with JWT, MongoDB session storage, Zustand global state, and an Express.js REST API
ACHIEVEMENTS & CERTIFICATIONS
Polkadot Solidity Hackathon — 3rd Place ($1,000)
Track 2: PVM Smart Contracts
Smart India Hackathon (SIH) — Grand Finalist
Top teams selected nationally from 1M+ registrations
AWS Certified Cloud Practitioner
Cloud fundamentals, security, and architecture
KIET INNOTECH
Kiet Innotech inter department winner