Protocol Engineer

About the Role

You will design and implement secure, efficient smart contract systems and blockchain integrations that power transactions across multiple chains. You will write highly efficient, well-tested code, participate in security audits, research new blockchain technologies and DeFi primitives, collaborate with product and backend teams to architect solutions, and contribute to incident response and on-chain debugging to ensure protocol reliability.

Requirements

  • Strong experience building and deploying production smart contracts on major blockchain platforms
  • Deep understanding of blockchain architecture, consensus mechanisms, and cryptographic principles
  • Hands-on experience with smart contract development languages such as Solidity, Rust, or Move
  • Solid grasp of DeFi protocols, token standards, and cross-chain communication patterns
  • Strong security mindset with knowledge of common smart contract vulnerabilities and best practices
  • Clear communication skills to explain complex blockchain concepts to cross-functional teams
  • Production experience with multiple blockchain ecosystems such as Ethereum, Solana, and L2s
  • Experience with cross-chain bridges, oracles, or interoperability protocols
  • Background with high-volume DeFi protocols or DEX infrastructure
  • Contributions to blockchain open source projects or protocol research
  • Experience with formal verification or advanced smart contract testing frameworks

Responsibilities

  • Design, develop and deploy secure smart contracts and protocol implementations across multiple blockchain platforms
  • Collaborate with backend and product teams to architect blockchain solutions that meet business requirements
  • Write highly efficient, well-tested code and participate in security audits to ensure protocol safety
  • Research and evaluate new blockchain technologies, protocols, and DeFi primitives for integration opportunities
  • Contribute to incident response and debug on-chain issues to ensure protocol reliability

Skills

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Protocol Engineer at The Fun Group, Inc. | JobStash