

Head of Blockchain Engineering (ZK Layer 2)
Location: San Francisco, New York, Switzerland, or remote for exceptional candidates
Type: Full-time, Executive (Reports to CTO)
About the Role
Our well funded client is seeking a founding-level engineering leader to architect, build, and scale a ZK-native, privacy-preserving Layer 2 infrastructure. This role owns the full technical stack — from protocol design to production rollout — working closely with cryptography and product teams to deliver a high-performance zkEVM-based ledger.
Key Responsibilities
Lead engineering for a Layer 2 rollup from architecture to production deployment.
Build and scale a performant, composable zkEVM with privacy guarantees.
Recruit, mentor, and manage a multi-domain engineering team (protocol, infra, smart contracts, full-stack).
Optimize zk circuits, prover performance, and privacy features with cryptography experts.
Drive key decisions on sequencer design, DA layers, rollup tooling, and bridging.
Ensure secure integration of stablecoins, RWAs, and DeFi apps into the platform.
Requirements
Proven experience delivering a blockchain/L2/zkEVM product from inception to scale.
15+ years engineering experience, including 4+ years leading blockchain/L2 infra teams.
Hands-on expertise with ZK systems (STARKs, SNARKs, Halo2, Plonky2, Cairo, etc.).
Deep understanding of Ethereum, rollups, and zkEVM mechanics.
Strong proficiency in Rust, Solidity, or zk circuit languages (Cairo, Circom, Noir).
Exceptional leadership and cross-functional collaboration skills.
Nice to Have
Experience with stablecoins, privacy-preserving assets, or programmable wallets.
Knowledge of sequencing, MEV protection, and interoperability frameworks.
Contributions to open-source ZK tooling or rollup frameworks.
Blockchain Headhunter
Blockchain Headhunter is a global recruitment and executive search firm dedicated to connecting blockchain, crypto, and DeFi companies with top talent. They specialize in filling leadership, technical, and business roles across the blockchain industry, from startups to established enterprises. Their mission is to help innovative organizations scale by providing access...