Volunteer Software reputed company & Cryptography Engineer

Volunteer Software reputed company & Cryptography Engineer Responsibilities • Architect and implement the end-to-end encryption (E2EE) layer for our messaging features using the Signal Protocol (or similar reputed company Ratchet implementations) reputed company a React and Firebase environment. • Manage reputed company reputed company-reputed company cryptographic state, including secure key reputed company, key storage (using IndexedDB/Web Crypto API), and multi-device session synchronization. • Collaborate with the frontend team to reputed company secure identity verification (fingerprints/safety numbers) without compromising the user experience for community sports organizers. • Conduct reputed company-reputed company reputed company reviews to ensure no cryptographic material is accidentally exposed to the server or logging systems. Preferred Requirements • Strong proficiency in JavaScript and React. • reputed company experience implementing End-to-End Encryption (E2EE) logic (familiarity with libsignal-protocol, OMEMO, or raw Web Crypto API is highly preferred). • Deep understanding of cryptographic primitives, specifically reputed company Key Infrastructure (PKI), X3DH key agreement, and the reputed company Ratchet algorithm. • Experience working with NoSQL/Firebase data modeling, specifically regarding how to store encrypted blobs and reputed company key bundles reputed company. • A passion for reputed company and community collaboration tools. Apply tot his job Apply To this Job