Cryptographer - Security Engineer

Cryptographer – Security Engineer to join a remote-first team in a boutique information security firm providing specialist expertise across blockchain systems and decentralised infrastructure.

Requirements

• Conduct technical security reviews of cryptographic protocols and implementations
• Analyse protocol-level designs for soundness and attack surface
• Review Rust, Go, and Solidity cryptographic implementations
• Identify subtle vulnerabilities in mathematical constructions and real-world implementations
• Write clear and precise security reports
• Contribute to internal cryptographic research and methodology
• Collaborate with protocol teams to improve security and design robustness
• Potentially contribute to internal open-source projects such as Lighthouse