Smart Contract & Web3 Engineer

Genixbit; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

Genixbit is seeking a Web3 Engineer to develop, test, and deploy secure smart contracts on EVM-compatible chains. You will write code for tokenized systems and zero-knowledge proofs for a decentralized luxury asset platform.

You will collaborate with frontend teams, write secure Solidity, perform unit tests, and optimize gas usage. Familiarity with Ethers.js or Viem and oracle systems is a plus in this role.

Qualifications

• 3+ years of professional smart contract development experience.
• Deep understanding of EVM mechanics, gas optimization, and DeFi/NFT standards (ERC-20, ERC-721, ERC-1155).
• Experience with development environments like Hardhat, Foundry, and Truffle.
• Solid grasp of security auditing tools (Slither, Mythril).

Responsibilities

• Write highly secure Solidity smart contracts following best practice security patterns.
• Conduct rigorous unit testing, fuzzing, and contract optimization for gas efficiency.
• Integrate blockchain states with our web applications using Ethers.js or Viem.
• Deploy and manage oracle systems and subgraphs for fast queries.

Skills

Solidity

Web3 development

Security

Gas optimization

DeFi/NFT standards

Tools

Hardhat

Foundry

Truffle

Slither

Mythril

Job description

About the Role

We are seeking a Web3 Engineer to develop, test, and deploy secure smart contracts on EVM-compatible chains. You will write code for decentralized luxury asset tracking, tokenized systems, and zero-knowledge proofs.

Key Responsibilities

• Write highly secure Solidity smart contracts following best practice security patterns
• Conduct rigorous unit testing, fuzzing, and contract optimization for gas efficiency
• Integrate blockchain states with our web applications using Ethers.js or Viem
• Deploy and manage oracle systems and subgraphs for fast queries

Requirements

• 3+ years of professional smart contract development experience
• Deep understanding of EVM mechanics, gas optimization, and DeFi/NFT standards (ERC-20, ERC-721, ERC-1155)
• Experience with development environments like Hardhat, Foundry, and Truffle
• Solid grasp of security auditing tools (Slither, Mythril)