Principal Blockchain Engineer - DeFi / Solidity

Description :

Location : Remote (India)

Experience : 8+ Years (with 3+ years in Blockchain)

Domain : FinTech / Blockchain / Web3

About the Role :

We are looking for a Principal Blockchain Engineer to lead the architecture and development of our next-generation Decentralized Finance (DeFi) protocols. This is a highly specialized role requiring deep expertise in smart contract development, protocol design, and security best practices for public blockchains.

Key Responsibilities :

• Lead the end-to-end design, implementation, and security auditing of complex smart contracts using Solidity on the Ethereum Virtual Machine (EVM) compatible chains.
• Architect robust and scalable DeFi protocols (e.g., AMMs, Lending / Borrowing platforms, Staking mechanisms).
• Utilize development frameworks such as Hardhat or Foundry for testing, deployment, and verification of contracts.
• Implement and manage off-chain components and integrations using Node.js / TypeScript and interacting with blockchain data via Ethers.js or Web3.js.
• Perform gas optimization and security reviews, and ensure compliance with established patterns and standards.
• Stay current with advancements in Layer 2 scaling solutions, interoperability, and the wider Web3 ecosystem.
• Document technical architecture, specifications, and provide mentorship to mid-level and senior engineers.

Technical Skills Required :

(ref : hirist.tech)