Security Engineer Embedded and Protocol Layer
1 week ago
We are seeking a Security Engineer to architect and implement cryptographic protocols that secure Quantum Wallet’s offline and device-to-device operations. This role ensures our firmware, NFC communications, and token systems are resistant to fraud, tampering, and unauthorized replication.
Responsibilities:
Design and implement encrypted token protocols for offline NFC transfers
Integrate public key cryptography (e.g., ECC) into firmware-level transactions
Securely manage keys and device IDs at the hardware level
Prevent replay attacks, double-spends, and identity spoofing
Support integration of secure elements or TPM modules
Work with firmware and backend teams to ensure end-to-end trust
Requirements:
Strong background in embedded cryptography and information security
Experience with AES, ECC, SHA, or HMAC in low-power devices
Ability to audit and patch security flaws in firmware and protocol design
Familiarity with secure boot, tamper response, and firmware signing
Bonus: Experience in blockchain, hardware wallets, or secure communication standards
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