Trustyfy in Spain is seeking a Web3 Infrastructure & Security Engineer to build and protect the systems powering wallets, nodes, key management, and backend services. Your work will influence uptime, incident response, and customer asset safety in a high-trust, fast-iterating environment. You will design and implement secure deployment pipelines, manage KMS/HSM and MPC integrations, and collaborate with backend, product, and risk teams to maintain secure operations at speed. #J-18808-Ljbffr