Product Security Engineer

Hashdera is seeking a Product Security Engineer to embed security into the development lifecycle of Hedera, an open-source, enterprise-grade distributed ledger platform. This role involves conducting end-to-end security assessments, designing adversarial test cases, and building automated security tooling to protect the platform's protocol upgrades, smart contracts, and node infrastructure. The engineer will partner with engineering teams to mitigate cryptographic risks and ensure security is a first-class property of all shipped components.