Open to freelance & full-time roles

Decentralizing Tomorrow, One Contract at a Time.

I'm Alex Sterling — a blockchain developer specializing in secure, scalable dApps, audited smart contracts, and production-grade Web3 solutions.

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About Me

I'm a blockchain developer with a deep passion for building transparent, secure, and decentralized applications. My journey into Web3 started with a fascination for how it can reshape industries and empower individuals. I thrive on tackling complex challenges and contributing to innovative projects across the decentralized ecosystem.

With over 6 years of experience in smart contract development on Ethereum, Solana, and other EVM-compatible chains, I focus on writing clean, audited, and gas-efficient code. I specialize in DeFi protocols, NFT platforms, DAO governance systems, and other pioneering dApps. I'm constantly exploring new protocols, security best practices, and scaling solutions like Layer 2s to stay at the forefront of this field.

My goal is to leverage blockchain technology to create real-world value. I'm always eager to connect with fellow builders and contribute to projects that push the boundaries of decentralization.

Skills & Expertise

The tools and technologies I use to build secure, decentralized applications.

Smart Contracts

  • • Solidity, Rust & Vyper
  • • ERC-20, ERC-721, ERC-1155 tokens
  • • OpenZeppelin & custom libraries
  • • Upgradeable proxy patterns
  • • Gas optimization techniques

Web3 Development

  • • ethers.js & web3.js
  • • React & Next.js frontends
  • • WalletConnect & MetaMask
  • • The Graph data indexing
  • • IPFS & Arweave storage

Frameworks & Tools

  • • Hardhat, Foundry & Truffle
  • • Local devnets (Ganache, Anvil)
  • • Git & GitHub workflows
  • • VS Code & Remix IDE
  • • Slither & Mythril analyzers

Blockchain Platforms

  • • Ethereum & EVM chains
  • • Solana & Rust-based chains
  • • Layer 2: Arbitrum, Optimism
  • • Polkadot & Substrate
  • • Cosmos SDK chains

Security & Testing

  • • Unit & integration testing
  • • Static analysis & fuzzing
  • • Gas & security audits
  • • Formal verification basics
  • • Access control patterns

Concepts

  • • DeFi protocols & AMMs
  • • NFT standards & marketplaces
  • • DAOs & governance
  • • Tokenomics design
  • • Cryptography & hashing

Featured Projects

A selection of production-grade smart contracts and dApps I've built.

Decentralized Exchange (DEX) Protocol

Developed core smart contracts for an Automated Market Maker (AMM) DEX, processing over $12M in total volume. Features include liquidity pools, token swapping, yield farming mechanics, and flash swap capability — all optimized for gas efficiency and security.

Solidity ERC-20 Foundry
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NFT Marketplace Smart Contracts

Built robust and secure contracts for an NFT marketplace that generated $2.3M in primary sales. Supports buying, selling, and auctioning of digital assets (ERC-721 & ERC-1155). Implemented royalty distribution and escrow functionalities with a focus on user safety.

Solidity ERC-721 Hardhat
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DAO Governance System

Designed and implemented smart contracts for a DAO managing a $4.5M treasury. Features include token-based voting, proposal submission, and execution logic for treasury management and protocol upgrades. The system has processed over 1,200 proposals.

Solidity Governance Truffle
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Get In Touch

Have a project in mind? Want to discuss blockchain technology? Let's connect.

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Or simply send an email to: alex@alexsterling.dev