About the Role
Our Project includes a decentralized verification and contract anchoring layer on a modern EVM-compatible blockchain. We are hiring Blockchain Developers who can design, build, test, and deploy Solidity smart contracts and integrate Web3 logic with our core platform.
Key Responsibilities
- Design and develop secure, gas-efficient smart contracts in Solidity.
- Build modules like contract anchors, DID/identity registry, reputation tokens, escrow logic.
- Integrate smart contracts with our backend and frontend.
- Write automated tests using Hardhat / Foundry.
- Implement Web3 flows including wallet login, signing, and events handling.
- Deploy contracts on testnet and mainnet (Polygon, Arbitrum, or similar L2).
- Optimize contract architecture for scalability, cost, and security.
- Integrate IPFS for storing contract hashes and content pointers.
- Review smart contract vulnerabilities and work with auditors.
- Maintain clear documentation for ABIs, deployment scripts, and contract specs.
Required Skills
- Strong experience with Solidity and EVM-based development.
- Hands-on experience with Hardhat, Foundry, Truffle, or similar frameworks.
- Excellent understanding of:
- ERC standards (ERC-20, ERC-721, ERC-1155)
- EIP-712 typed data signing
- Gas optimization
- Security patterns (reentrancy, access control, upgradeability)
- Proficiency with ethers.js or web3.js.
- Experience integrating smart contracts with React or backend services.
- Practical understanding of blockchain principles (transactions, gas, mempool, nodes).
Nice-to-Have
- Experience with Layer-2 solutions (Polygon, Arbitrum, Optimism).
- Knowledge of DID, Verifiable Credentials, or decentralized identity systems.
- Familiarity with IPFS/Filecoin.
- Experience with Gnosis Safe, multisig, or governance modules.
- Background in security audits or participation in bug bounty programs.
Soft Skills
- Strong analytical & security-first mindset.
- Ability to clearly document complex technical logic.
- Collaboration with product, backend, and frontend teams.
- Ownership and accountability of blockchain module architecture.
