AW Awakened

Andrew Walters

Backend engineer focused on Rust, correctness, and production systems.

Value security over convenience, working software over leaky abstractions.

Good infrastructure is invisible.

Selected Work

CryptoRails

Production

Instant blockchain settlement platform. Built crypto payment aggregator integrating MoonPay, Ramp, and Coinbase for instant USDC settlement in minutes versus 2-7 days for traditional payment processors.

— Rust/Axum async API with 3-scheme cryptographic webhook verification

— PostgreSQL with immutable audit logging and webhook idempotency

— Docker multi-stage builds, automated migrations, health monitoring

Cross-Chain DeFi Protocol

Testnet

Cross-chain yield optimization using Chainlink CCIP as transport layer for EVM chains. Demonstrates secure cross-chain messaging and DeFi protocol integration.

— Architected cross-chain yield optimization with CCIP messaging

— Security patterns: CCIPReceiver, ReentrancyGuard, allowlisted destinations

— Aave V3 integration with dynamic APY calculation

Solana Token Platform

Mainnet

Complete token ecosystem deployed to Solana mainnet with 1B supply, lottery mechanics, and DeFi integrations. Rust smart contracts with production frontend.

— Rust smart contracts with Anchor framework

— Jupiter/Raydium DEX integration, 1K+ test transactions

— Production frontend with Phantom/Solflare wallet integration

Haven Vault

Ethereum/Polygon

Multi-chain crypto vault with time-locked smart contracts. Full-stack Web3 application with React dashboard and React Native mobile app.

— Smart contracts with time-locks and beneficiary management

— Verified on PolygonScan and Etherscan

— RainbowKit wallet integration, WalletConnect v2, NFT receipts

Capabilities

Languages

Rust, TypeScript, JavaScript, Python, Solidity, SQL

Backend

Axum, PostgreSQL, Docker, REST APIs, Webhooks, Cryptography

Blockchain

Solana, Anchor, Ethereum, Hardhat, Chainlink CCIP, DeFi protocols

Frontend

React, Next.js, Vite, Tailwind, wagmi, viem, RainbowKit

Tools

Git, CI/CD, TypeChain, Foundry, hardhat-deploy