Senior Protocol Engineer

Architecture & Design — Lead the design and implementation of core protocol components, from initial prototypes to production-grade deployment. Protocol Development — Develop and optimize data structures, consensus algorithms, and cryptographic implementations (e.g., zero-knowledge proofs). Security & Verification — Identify attack vectors, failure modes, and performance bottlenecks; apply formal verification or simulation to validate designs. Cross-Functional Collaboration — Partner with researchers, product managers, and security teams to translate roadmaps into precise technical specifications. Mentorship & Quality — Drive code quality through design reviews, documentation, and technical leadership; mentor junior engineers. Technical Skills Advanced proficiency in systems-level languages used in blockchain (Rust, Go) and smart contract languages (Solidity). Demonstrated track record of open-source contributions in the Web3 ecosystem. Domain Knowledge Strong background in distributed systems, peer-to-peer networking, and modern blockchain primitives (rollup technologies, account abstraction). Up-to-date with rapidly evolving standards such as Ethereum upgrades and inter-blockchain communication protocols. Problem-Solving Proven ability to debug complex issues across network and application layers. Experience making high-level architectural tradeoffs across performance, scalability, and security. Communication Ability to document system improvements and communicate technical concepts to both technical and non-technical stakeholders. Fluency in English, and Korean proficiency would be a plus. Hiring Process Resume Screening → 1st Interview → 2nd Interview → Salary Negotiation Contract Type Singapore: Full-time Employee (Onsite) Worldwide: Service Contractor (Fully Remote)