vladweb3

React, TypeScript, MobX, Vite, wagmi, viem, RainbowKit, Avalanche C-Chain - Architected the project from scratch with Feature Sliced Design and strict typing, reducing regression bugs and accelerating onboarding for new developers - Implemented frontend logic for gasless transactions by configuring off-chain signatures on Avalanche C-Chain, delegating gas fees to relayers and significantly boosting user onboarding conversion - Designed a real-time transaction state tracking system via WebSockets with smooth animations and micro interactions, improving transparency and reducing user churn - Built a custom UI component library from scratch using React, TypeScript, and MUI, cutting new feature development time - Integrated crypto wallet connectivity (MetaMask, WalletConnect) using wagmi and RainbowKit; authored custom hooks for contract reads and transaction dispatching with MobX state management - Conducted regular code reviews and mentored the team on architectural boundaries, security, and blockchain interaction correctness - Worked in Scrum using Jira for task decomposition, estimation, and bug tracking

React, TypeScript, MobX, Vite - Designed FSD architecture from scratch, implemented the full frontend and UI/UX under tight deadlines - Delivered a high-quality MVP that secured a government grant (YNAO) for further project scaling - Led the development process: distributed tasks across developers and cross-functional specialists, managed milestones and deadline

Solidity, Foundry, Python, JavaScript, Node.js, Selenium, Puppeteer, web3.py, ethers.js - Developed private smart contracts for DEX trade routing on EVM and automated liquidity pool interactions; optimized contract logic to reduce gas consumption - Built an automation system for mass interaction with EVM, Solana, and Bitcoin networks (NFT minting, cross-chain bridges, token claims) — processed 250,000+ transactions without errors Integrated captcha-solving solutions and browser automation tools for user behavior simulation Automated external platform API workflows (Twitter, Discord) for Web3 campaign verification

Built an interactive test and virtual lab constructor with file attachment support from scratch; used daily by hundreds of students and faculty