Blockchain Developer

We are seeking an experienced Smart Contract Engineer to support the continued development of a Web3 developer reputation platform.

The platform is currently under active development and has not yet been deployed publicly. It is designed to create verifiable developer profiles using technical contributions, wallet activity, smart contract deployments, project history, attestations, and other professional evidence.

The selected engineer will review the existing smart contract architecture, identify security and design improvements, and contribute to the development of reliable on-chain reputation features.

Responsibilities include:

Develop and improve Solidity smart contracts for profiles, credentials, attestations, and reputation.

Review contract architecture for security, reliability, and gas efficiency.

Implement secure minting, access control, signatures, and wallet authorization.

Integrate contracts with frontend, backend, and indexing systems.

Write tests, deployment scripts, and technical documentation.

Preferred experience:

Strong Solidity and EVM experience.

Foundry, Hardhat, OpenZeppelin, ethers.js, or viem.

Smart contract security, testing, deployment, and verification.

Experience with identity, attestations, credentials, reputation systems, or soulbound tokens.

Ability to work independently and deliver secure, production-quality code.