Hi, I'mCollin
5 years of frontend experience. Target role: Frontend Engineer. Delivered Solana DeFi ($20M peak TVL), AI Agent trading platforms, and BSC DeFi frontends—with SSO/RBAC enterprise systems.
Building the Decentralized Future
I'm a frontend engineer with 5 years of experience, focused on Web3 DApps & AI-Native frontends. As a core developer on NXFinance (Solana), peak TVL reached $20M TVL.
Skilled in Solana/EVM contract integration, wagmi auth, SSE streaming & A2UI structured UI, with Agent management, on-chain trading, and i18n across Riverbit, Xfi, and more.
Previously built SSO & RBAC permission systems for enterprise platforms. Proficient with Cursor, Claude Code, GitHub Copilot, Figma MCP, V0, and Stitch.
const developer = {
name: "Collin / Zhicong Huang",
location: "Shenzhen, China",
focus: "Frontend Engineer · Web3 DeFi & AI-Native",
education: "BSc Computer Science, Fujian Normal University",
military: "PLA Veteran (2017-2019)",
}
5 Years
Frontend Development
$20M TVL
Peak NXFinance
AI + Web3
A2UI · wagmi · SSE
Multi-platform
DeFi · Agent · Enterprise
Technical Arsenal
Web3 Stack
6+
Frameworks
5
Major Projects
5
Years Exp
Featured Work
Riverbit
Web3 + AI Conversation Platform
AI-Native decentralized platform frontend. Users manage trading Agents in AI Arena and configure strategies via natural language in AI Chat—with a custom A2UI structured interaction system.
- A2UI: 5 scenario cards + dual-track rendering (strategy, params, confirm, results, clarify)
- SSE streaming with ---a2ui_JSON--- delimiter; text and structured UI on one screen
- Chat-to-Agent loop via ArenaCreateAgent adapter
- Backtest module: returns, Sharpe, win rate, K-line, trade list
- Stack: Next.js 16, React 19, wagmi, viem, TanStack Query, Zustand, SSE, WebSocket, ECharts
Xfi.top
BSC Web3 DeFi Frontend
BSC trading platform: Meme launch, Swap/liquidity, Hyperliquid derivatives, node staking & copy-trading. Wallet connect, signed login, multi-chain, and i18n.
- Stake Node: plaza, details, create node, my nodes—full on-chain flows
- Copy-trading: cross-domain auth sync & referral rewards ops page
- Design system: semantic CSS variables + Tailwind tokens + light/dark themes
- Stack: React, TypeScript, Vite, Tailwind, Wagmi/Viem, Jotai, TanStack Query, i18next
NXFinance
$20M TVLSolana DeFi Protocol
Solana DeFi protocol. Led frontend and on-chain integration; peak TVL reached $20M.
- Peak TVL reached $20M
- Full DApp workflow: wallet connect, assets, transactions
- Map caching reduced data processing ~40%
- React Query global cache reduced 60% redundant requests
- signMessage auth to prevent API replay attacks
Portal Finance
$200K TVLSoon Chain DeFi Project
Soon chain DeFi. Built all frontend modules solo; shipped zero-to-production in 3 weeks using NXFinance architecture patterns.
- Peak TVL reached $200K
- Radix UI for accessible components
- Unified multi-chain wallet adapter layer
- Zero to production in 3 weeks
Shaanxi Smart Sports
Multi-role event platform for organizers, athletes, and referees—registration, results, and admin subsystems.
Next DApp CLI Template
Next.js DApp scaffold for rapid Web3 bootstrapping—wallet integration, chain config, and common patterns.
Career Journey
Frontend Engineer
2026.03 - PresentOpenhub
Requirements analysis, frontend architecture, and smart contract integration for the product.
- Defined technical direction and implementation path
- Led scalable frontend page architecture
- Connected smart contracts with the frontend system
- Improved UI/UX and frontend request performance
- Implemented SEO optimization
Web Frontend Developer
2025.10 - 2026.02Riverbit
Riverbit.io — Web3 + AI platform. Led modular frontend foundation, on-chain listeners, wallet management, and AI Agent integration.
- Built on-chain data listeners and wallet management core components
- Integrated AI Agent backend: streaming chat + full A2UI interaction
- SSE via Route Handler proxy to fix rewrite buffering
- AI Arena: Agent CRUD, PnL, positions, WebSocket real-time events
- wagmi wallet connect + signed login, re-sign on account switch, global 401 logout
Blockchain Frontend Engineer
2024.04 - 2025.10Shenzhen 375 Technology Co., Ltd
Frontend architecture for NXFinance (Solana) and Portal Finance (Soon)—on-chain queries, transactions, and event listening.
- NXFinance $20M peak TVL; Portal Finance $200K peak TVL
- Full Solana contract interaction layer
- signMessage auth against API replay attacks
- Map cache ~-40% processing; React Query ~-60% redundant requests
- Portal: Radix UI + multi-chain wallet layer, 3-week zero-to-launch
Web Frontend Developer
2021.10 - 2024.03Yiti Technology Co., Ltd (Xiamen)
Shaanxi Smart Sports platform—registration, results, and admin subsystems.
- SSO across subsystems with unified authentication
- RBAC: dynamic routes/menus + page & button-level permissions
- JSON-driven dynamic forms with nested validation & conditional fields
- UniApp + HBuilderX mobile app with real device testing
Military Service
2017 - 2019People's Liberation Army
Served 2 years during university (2017–2019). Developed discipline, resilience, and leadership.
BSc Computer Science & Technology
2016 - 2022Fujian Normal University - Xiehe College
Bachelor's in Computer Science (2016–2022). Graduation delayed 2 years due to military service.
Let's Connect
Target role: Frontend Engineer · Preferred city: Shenzhen. Open to collaboration or a quick hello.