Webforest LLP is hiring a Rust Security Engineer with at least three years of experience. The role demands strong Rust programming skills, a good understanding of cryptography and security principles, and experience with encryption algorithms, hashing, key management, and secure communication protocols. You must have experience in secure backend or application development, with knowledge of memory safety, concurrency, and performance optimization. Familiarity with secure messaging concepts such as End-to-End Encryption, Public/Private Key Cryptography, Diffie-Hellman Key Exchange, Forward Secrecy, and the Double Ratchet Algorithm is required. Responsibilities include writing unit tests, integration tests, and security-focused tests.