Lead end-to-end Solana workstreams including architecture, implementation, audit preparation, deployment and post-launch hardening. Own confidential computing work (porting FHE primitives to SVM, confidential token standard, SDK patterns), act as the SVM technical lead across the portfolio, contribute to open source libraries and standards, and apply AI-native tooling to security workflows. Requires 3+ years shipping production Solana programs, deep SVM fluency, security-first mindset, and strong client-facing communication in English.

OpenZeppelin seeks a Lead Blockchain Security Developer for a multi-year Canton engagement. Responsibilities include owning the OpenZeppelin Contracts Library for Daml, leading technical design and implementation of year‑1 Reference Implementations (privacy-preserving DEX, lending, cross-chain stablecoin settlement, confidential auction launchpad), coordinating with Digital Asset and ChainSafe, and collaborating with auditors. Requirements include production Daml fluency, 3+ years UTXO-based protocol development, 3+ years DeFi engineering, demonstrable security/auditing experience, library/SDK API design experience, cross-chain interoperability exposure, and an AI-native workflow.