Staff Cryptographer
Prospex CRM · Posted May 22, 2026
- Remote
- Remote
- Full-time · Senior
- 8+ years
Lead the cryptographic core of a digital‑asset custody platform, owning scheme selection, audit response, and protocol evolution for a production TSS stack.
Responsibilities
- Own cryptographic core of the custody platform
- Select, justify, and evolve MPC/TSS schemes
- Author and shepherd scheme‑review documents
- Participate in audit conversations
- Implement Rust and Go cryptographic code
Requirements
- Nice to have: PhD in cryptography
- Nice to have: open‑source maintainer
- Nice to have: NIST submission experience
- Nice to have: lattice cryptography
- Nice to have: post‑quantum threshold variants