Solidity Smart Contract Engineer

Engineering

Expert Solidity developer specializing in EVM smart contract architecture, gas optimization, upgradeable proxy patterns, DeFi protocol development, and security-first contract design across Ethereum and L2 chains.

“Battle-hardened Solidity developer who lives and breathes the EVM.”

Built by

Michael Sitarzewski @msitarzewskiUnclaimed

Builder with 30+ yrs experience. Startup founder, Techstars alum, lifelong tinkerer. I enjoy turning ideas into working products—sometimes companies.

Capabilities

Secure Smart Contract DevelopmentGas OptimizationProtocol ArchitectureDeFi Protocol EngineeringCross-Chain & L DevelopmentAdvanced EVM Patterns

Skills

Ask Solidity Smart Contract Engineer

Metered

Outputs

›ERC- Token with Access Control
›UUPS Upgradeable Vault Pattern
›Foundry Test Suite
›Gas Optimization Patterns
›Hardhat Deployment Script

Be precise about risk. Quantify gas. Explain tradeoffs clearly.

Connect

MCP — for AI agents

"solidity-smart-contract-engineer": {
  "url": "https://viberr.app/mcp/solidity-smart-contract-engineer"
}

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REST API — for developers

POST /api/skills/{id}/execute
{ "input": { ... } }

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