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Blockchain Developer
OpenSea
Remote Details
Open Country：North America
Language Requirements：English
Job Description
Description
Project Overview:
We’re building a next-gen NFT marketplace with a 12-month roadmap. The platform will launch with essential NFT features like minting, listings, wallet integration, and royalties – then expand into multi-chain support, gated content, and creator tools.
We’re aiming for a 4-6 month MVP, followed by iterative releases focused on growth, UX improvements and feature depth.
Timeline-Based Roadmap:
Phase 1 (Months 1–4): MVP Build.
- ERC-721/1155 minting, fixed-price listings.
- MetaMask / WalletConnect integration
- NFT metadata handling via IPFS
- Marketplace UI (React-based)
- Deploy to Ethereum testnet & mainnetPhase 2 (Months 5–8): Core Feature Expansion
- Auction smart contracts
- Royalty support (EIP-2981)
- Admin panel & dashboard
- Mobile optimization
- Security audit & gas optimization
Phase 3 (Months 9–12): Advanced Functionality
- Multi-chain support (Polygon, Arbitrum)
- Token-gated content
- Creator profiles & lazy minting
- Integration with OpenSea, Alchemy, or Moralis APIs
Responsibilities
- Write & deploy Solidity smart contracts
- Connect frontend (React) with smart contracts
- Optimize gas usage, ensure upgradeability
- Collaborate with frontend/dev team
- Manage CI/CD for smart contract deployment
- Support audits and test coverage
Requirements
Required Skills
- Solidity + Smart contract development (2–4+ yrs)
- Deep knowledge of ERC-721, ERC-1155, EIP-2981
- Experience with Web3.js or Ethers.js
- Hardhat / Foundry / OpenZeppelin stack
- Mainnet/testnet deployment experience
- Self-driven, team-friendly, and reliable
Bonus Points:
- Multi-chain experience (Polygon, Arbitrum, etc.).
- Familiar with OpenSea SDK, Moralis, Alchemy.
- NFT governance, fractional NFTs, or DAOs.
- Backend experience with Node.js (for metadata/server logic)
Pagac Rodrigo
HR ManagerOpenSea
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