Lead Blockchain Developer (Long Term)
Buget: $80.0 - $100.0
HOURLY / FULL_TIME
⭐ 0.00 (0)
Ukraine
blockchain, solidity
We're building an innovative decentralized platform and seeking a Lead Blockchain Developer to take ownership of our smart contract architecture, NFT minting, marketplace logic, and wallet integration.
Key Responsibilities
- Architect, develop, test, and deploy Solidity smart contracts on EVM-compatible blockchains.
- Build and customize ERC-721 and ERC-1155 NFT contracts, including logic for ownership verification and reward distribution.
- Seamlessly connect smart contracts with our Node.js/Express backend and React/Next.js frontend using Web3.js or Ethers.js.
- Write comprehensive automated tests using Hardhat, Truffle, or Foundry, and manage deployments across testnet and mainnet.
- Create and maintain clear technical documentation for all smart contracts and on-chain processes.
Required Qualifications
- Minimum 5 years of blockchain-specific experience, with at least 8 years in software development overall.
- Proven track record of shipping production-grade Solidity contracts (ERC-721, ERC-1155, ERC-20).
- Deep proficiency with Hardhat, Truffle, or Foundry for testing and deployment workflows.
- Solid experience integrating blockchain logic with Node.js backends via REST APIs and event-driven architectures.
- Strong analytical mindset and excellent written/verbal communication skills.
Preferred Qualifications
- Experience building NFT marketplaces, royalty platforms, or collaborative Web3 products.
- Active participation in open-source blockchain communities or projects.
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