X

Lead Protocol Engineer - DeFi & Smart Contracts

X-Team • United State
Remote
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Lead the core technical architecture and execution for a foundational smart contract and lending/borrowing protocol, reporting directly to the CTO. Own the technical roadmap from design to mainnet deployment while building and mentoring a world-class protocol engineering team. Require extensive DeFi smart contract experience, architectural vision, and a security-first mindset with hands-on execution.

Key Highlights
Own the technical architecture and roadmap for a major modular DeFi lending/borrowing protocol from design to mainnet deployment
Build, lead, and develop a high-performing protocol engineering team while establishing rigorous engineering and security standards
Remain hands-on with critical code reviews, security decisions, audit remediation, and incident response processes
Represent Protocol Engineering in governance forums, community calls, and with external auditors and ecosystem partners
Key Responsibilities
Own the technical architecture for the protocol roadmap from design to mainnet deployment, including liquidity architecture, collateral systems, market configurations, liquidations, and governance controls
Build, lead, and develop a world-class protocol engineering team while establishing rigorous engineering standards for smart contract development, testing, code review, and audit engagements
Conduct hands-on critical architecture reviews, key code path assessments, security decisions, audit remediation, and major protocol releases
Lead incident readiness, emergency controls, and response processes to ensure protocol security and operational resilience
Serve as the senior technical counterpart to external auditors, infrastructure partners, and ecosystem contributors
Represent Protocol Engineering in governance forums, community calls, and technical AMAs
Establish practical guardrails for the responsible use of AI-assisted development tools while maintaining code ownership and technical rigor
Technical Skills Required
Smart Contract Development DeFi Protocol Architecture Security Engineering
Benefits & Perks
Fully remote work
Nice to Have
Familiarity with major DeFi protocol stacks, lending/borrowing primitives, architecture history, and DAO governance mechanisms
Practical experience implementing formal verification frameworks or advanced mathematical modeling for smart contract invariants
Exposure to or working knowledge of cutting-edge zero-knowledge proofs (ZKPs) or MEV mitigation strategies

Job Description

This role is a full-time engagement directly with the client. Fully remote. USA.

The Mission

Shape the future of decentralized finance by leading the core technical architecture, execution, and operating standards for a foundational smart contract and protocol stack. Reporting directly to the CTO, you will own the technical roadmap for a major lending and borrowing protocol, ensuring that security and execution quality are never compromised as we build the next generation of modular DeFi infrastructure.

The Role

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