Principal Cryptography & Protocol Engineer
Z
ZODLBlockchain, Cryptocurrency
RemoteFull-TimePrincipal
Salary190000 - 230000 USD per year
Apply NowOpens the employer's application page
Job Details
- Required Skills
- Rust
Requirements
- A commitment to users’ privacy, and to the cypherpunk ethos.
- Deep expertise in applied cryptography.
- Strong understanding of zero-knowledge proofs, especially in the context of Zcash (e.g. Sapling, Orchard).
- Experience reviewing or designing cryptographic protocols.
- Proven experience conducting security audits or formal reviews.
- Strong ability to reason about privacy guarantees and threat models.
- Experience working with technical specifications and protocol design docs.
- Familiarity with Rust or ability to review Rust implementations.
- Prior contributions to Zcash, ZIPs, or related ecosystems (Preferred).
- Experience with zk-SNARKs / Halo / PLONK-like systems (Preferred).
- Background in formal verification or high-assurance systems (Preferred).
- Public track record (papers, audits, open-source contributions) (Preferred).
Responsibilities
- Lead cryptographic reviews and audits of specifications and implementations across ZODL projects.
- Perform security and privacy reviews of protocol changes, wallet flows, and cross-chain integrations.
- Contribute to and review Zcash protocol specifications (ZIPs) and internal design documents.
- Identify and mitigate privacy leaks, cryptographic weaknesses, and edge-case vulnerabilities.
- Collaborate with engineers to ensure correct implementation of cryptographic primitives.
- Participate in protocol design and evolution, including new features and upgrades.
- Work with external researchers, auditors, and the broader Zcash ecosystem.
- Guide internal teams on best practices for cryptography and security architecture.
- Respond to and help coordinate security incidents and disclosures.
View Full Description & ApplyYou'll be redirected to the employer's site
