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full-stack dev · blockchain builder · degen engineer
contract Joel {
string constant ROLE = "Full-Stack × Blockchain Developer";
string constant FOCUS = "DeFi, Dev Tools, and Onchain Products";
string constant BUILDING = "Systems that ship and systems that scale";
bool constant HIRING = true;
}I build smart contracts, trading bots, web apps, and developer tools — anything that sits at the intersection of software engineering and crypto. If it ships onchain or solves a real problem, I'm building it.
| Layer | Tech |
|---|---|
| Languages | Solidity · TypeScript · JavaScript · Python · Rust |
| Blockchain | Ethereum · Base · EVM Chains · Hyperliquid · Polymarket |
| Frontend | Next.js · React · Tailwind · Wagmi · RainbowKit |
| Backend | Node.js · FastAPI · WebSockets · REST APIs |
| Smart Contracts | Hardhat · OpenZeppelin · Foundry |
| DeFi | DEX Aggregation · CVD Analysis · Order Flow · MEV |
| AI/Agents | Agent Observability · Tracing · Circuit Breakers · LLM Monitoring |
| Security | Unicode Homograph Detection · IDN Abuse Prevention · Supply Chain Defense |
| Infra | Git · Docker · Linux · Vercel · Railway |
drwxr-xr-x thud/ Terminal Homograph URL Defense — copy-paste protection for devs
drwxr-xr-x wagerdao/ Trustless P2P sports betting protocol on Base
drwxr-xr-x cvd-trading-bot/ Polymarket × Hyperliquid CVD divergence trading bot
drwxr-xr-x veldwatch/ Open-source AI agent observability & oversight platform
drwxr-xr-x more-coming/ █████████░░░░░ 65% complete...
thud — Terminal Homograph URL Defense. A Rust CLI that sits between you and your terminal, detecting Unicode homograph attacks, IDN/Punycode abuse, zero-width character injection, and typosquatting in URLs before they execute. Shell hooks for bash/zsh/fish. See what you're really running.
wagerdao — Onchain sports betting exchange on Base. Parimutuel markets, USDC settlement, automated resolution. Smart contracts + Next.js frontend + automation layer. Currently in active build.
cvd-trading-bot — Real-time BTC 5-min trading bot that detects price-CVD divergences on Hyperliquid and places directional bets on Polymarket. Features confidence-based position sizing, multi-sample signal analysis, and a cyberpunk terminal dashboard.
veldwatch — Open-source AI agent observability and oversight platform. Real-time monitoring, tracing, logging, and safety controls for autonomous AI agents. Supports LangChain, OpenAI, and AutoGen. Think Datadog for AI agents.
║ "Ship it, verify it, let the chain do the rest." ║
║ ║
║ I don't just write code — I build products. From smart ║
║ contracts to frontends, trading systems to dev tools. ║
║ The stack doesn't matter. The output does. ║
- �️ Just shipped THUD — Rust-based terminal security against Unicode homograph attacks
- 🔨 Currently building WagerDAO — onchain sports betting on Base
- 🌾 Building Veldwatch — AI agent observability & oversight platform
- 🧰 Shipping full-stack dApps, trading bots, security tools, and developer tools
- ⚡ Deep in Solidity, Rust, Next.js, and DeFi infrastructure
- � Trying to make Ethereum better
- �📡 Exploring onchain automation, MEV, and supply chain security
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Building onchain products — one commit at a time.