Senior Blockchain Engineer - Solidity

We are looking for an Senior Blockchain Engineer  to help design and develop secure, efficient, and scalable smart contracts for our Real-World Asset (RWA) protocol. You will play a key role in building DeFi functionalities, staking mechanisms, liquidity management, and DAO governance. This role requires experience in Solidity, Hardhat, Foundry, OpenZeppelin, and gas-optimized smart contract development.

Responsibilities

• Develop secure and efficient smart contracts in Solidity for an RWA protocol

• Write comprehensive tests using Foundry, Hardhat, and JestAudit and optimise smart contracts to identify and mitigate potential security vulnerabilities

• Build client libraries (ethers.js, web3.js) to enable easy integrationsImplement gasless transactions

• Collaborate closely with backend and product teams to integrate smart contracts into the broader system

• Stay updated with the latest EVM advancements, security best practices, and DeFi innovations

Tech Stack

• Smart Contract Development: Solidity, Hardhat, Foundry, OpenZeppelin

• Blockchain Development: EVM-based chains

• Libraries & Testing: ethers.js, web3.js, Jest

• Security & Optimization: Gas optimisations, smart contract security, EIP-3009

Qualifications

• 3+ years of experience developing EVM-based smart contracts

• Strong knowledge of Solidity, Hardhat, and Foundry

• Experience working on DeFi, RWA, staking, liquidity pools, and DAOs

• Deep understanding of gas optimisations and security best practices

• Familiarity with ERC-20, ERC-721, ERC-1155, and EIP-3009 for gasless transactions

• Ability to write secure and well-documented smart contracts

• Experience with auditing smart contracts and working with security firms

Nice to Have

• Experience with bridges and Layer 2 scaling solutions

• Knowledge of cross-chain communication

• Familiarity with on-chain KYC mechanisms